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authorJiyoung Yun <jy910.yun@samsung.com>2017-04-13 14:17:19 +0900
committerJiyoung Yun <jy910.yun@samsung.com>2017-04-13 14:17:19 +0900
commita56e30c8d33048216567753d9d3fefc2152af8ac (patch)
tree7e5d979695fc4a431740982eb1cfecc2898b23a5 /src/mscorlib/shared/Interop
parent4b11dc566a5bbfa1378d6266525c281b028abcc8 (diff)
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Imported Upstream version 2.0.0.11353upstream/2.0.0.11353
Diffstat (limited to 'src/mscorlib/shared/Interop')
-rw-r--r--src/mscorlib/shared/Interop/Unix/Interop.Errors.cs207
-rw-r--r--src/mscorlib/shared/Interop/Unix/Interop.IOErrors.cs170
-rw-r--r--src/mscorlib/shared/Interop/Unix/Interop.Libraries.cs12
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Calendar.cs33
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Casing.cs23
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Idna.cs21
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Locale.cs40
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Normalization.cs19
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.ResultCode.cs18
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.TimeZoneInfo.cs31
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Utils.cs52
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.Close.cs15
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.FLock.cs31
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.FSync.cs15
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.FTruncate.cs15
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.GetCwd.cs74
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.GetRandomBytes.cs21
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.LSeek.cs22
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.LockFileRegion.cs21
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.MksTemps.cs17
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.Open.cs15
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.OpenFlags.cs27
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.PathConf.cs73
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.Permissions.cs32
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.PosixFAdvise.cs36
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.Read.cs25
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.Stat.cs59
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.SysLog.cs58
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.Unlink.cs15
-rw-r--r--src/mscorlib/shared/Interop/Unix/System.Native/Interop.Write.cs27
-rw-r--r--src/mscorlib/shared/Interop/Windows/BCrypt/Interop.BCryptGenRandom.cs44
-rw-r--r--src/mscorlib/shared/Interop/Windows/Crypt32/Interop.CryptProtectMemory.cs22
-rw-r--r--src/mscorlib/shared/Interop/Windows/Interop.BOOL.cs21
-rw-r--r--src/mscorlib/shared/Interop/Windows/Interop.Errors.cs44
-rw-r--r--src/mscorlib/shared/Interop/Windows/Interop.Libraries.cs15
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.CancelIoEx.cs16
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.CloseHandle.cs16
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.CreateFile.cs40
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.CreateFile2.cs31
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.FILE_INFO_BY_HANDLE_CLASS.cs39
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.FileTypes.cs16
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.FlushFileBuffers.cs17
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.FormatMessage.cs112
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetFileInformationByHandleEx.cs25
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetFileType_SafeHandle.cs15
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetFullPathNameW.cs18
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetLongPathNameW.cs18
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetTempFileNameW.cs16
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetTempPathW.cs16
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.LockFile.cs20
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.OutputDebugString.cs14
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.ReadFile_SafeHandle_IntPtr.cs21
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.ReadFile_SafeHandle_NativeOverlapped.cs22
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SECURITY_ATTRIBUTES.cs21
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SecurityOptions.cs18
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SetEndOfFile.cs15
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SetErrorMode.cs16
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SetFilePointerEx.cs15
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.WideCharToMultiByte.cs22
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.WriteFile_SafeHandle_IntPtr.cs23
-rw-r--r--src/mscorlib/shared/Interop/Windows/Kernel32/Interop.WriteFile_SafeHandle_NativeOverlapped.cs22
-rw-r--r--src/mscorlib/shared/Interop/Windows/NtDll/Interop.ZeroMemory.cs16
-rw-r--r--src/mscorlib/shared/Interop/Windows/OleAut32/Interop.SysAllocStringLen.cs19
-rw-r--r--src/mscorlib/shared/Interop/Windows/OleAut32/Interop.SysFreeString.cs15
-rw-r--r--src/mscorlib/shared/Interop/Windows/OleAut32/Interop.SysStringLen.cs19
65 files changed, 2063 insertions, 0 deletions
diff --git a/src/mscorlib/shared/Interop/Unix/Interop.Errors.cs b/src/mscorlib/shared/Interop/Unix/Interop.Errors.cs
new file mode 100644
index 0000000000..4248434db3
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/Interop.Errors.cs
@@ -0,0 +1,207 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+
+internal static partial class Interop
+{
+ /// <summary>Common Unix errno error codes.</summary>
+ internal enum Error
+ {
+ // These values were defined in src/Native/System.Native/fxerrno.h
+ //
+ // They compare against values obtained via Interop.Sys.GetLastError() not Marshal.GetLastWin32Error()
+ // which obtains the raw errno that varies between unixes. The strong typing as an enum is meant to
+ // prevent confusing the two. Casting to or from int is suspect. Use GetLastErrorInfo() if you need to
+ // correlate these to the underlying platform values or obtain the corresponding error message.
+ //
+
+ SUCCESS = 0,
+
+ E2BIG = 0x10001, // Argument list too long.
+ EACCES = 0x10002, // Permission denied.
+ EADDRINUSE = 0x10003, // Address in use.
+ EADDRNOTAVAIL = 0x10004, // Address not available.
+ EAFNOSUPPORT = 0x10005, // Address family not supported.
+ EAGAIN = 0x10006, // Resource unavailable, try again (same value as EWOULDBLOCK),
+ EALREADY = 0x10007, // Connection already in progress.
+ EBADF = 0x10008, // Bad file descriptor.
+ EBADMSG = 0x10009, // Bad message.
+ EBUSY = 0x1000A, // Device or resource busy.
+ ECANCELED = 0x1000B, // Operation canceled.
+ ECHILD = 0x1000C, // No child processes.
+ ECONNABORTED = 0x1000D, // Connection aborted.
+ ECONNREFUSED = 0x1000E, // Connection refused.
+ ECONNRESET = 0x1000F, // Connection reset.
+ EDEADLK = 0x10010, // Resource deadlock would occur.
+ EDESTADDRREQ = 0x10011, // Destination address required.
+ EDOM = 0x10012, // Mathematics argument out of domain of function.
+ EDQUOT = 0x10013, // Reserved.
+ EEXIST = 0x10014, // File exists.
+ EFAULT = 0x10015, // Bad address.
+ EFBIG = 0x10016, // File too large.
+ EHOSTUNREACH = 0x10017, // Host is unreachable.
+ EIDRM = 0x10018, // Identifier removed.
+ EILSEQ = 0x10019, // Illegal byte sequence.
+ EINPROGRESS = 0x1001A, // Operation in progress.
+ EINTR = 0x1001B, // Interrupted function.
+ EINVAL = 0x1001C, // Invalid argument.
+ EIO = 0x1001D, // I/O error.
+ EISCONN = 0x1001E, // Socket is connected.
+ EISDIR = 0x1001F, // Is a directory.
+ ELOOP = 0x10020, // Too many levels of symbolic links.
+ EMFILE = 0x10021, // File descriptor value too large.
+ EMLINK = 0x10022, // Too many links.
+ EMSGSIZE = 0x10023, // Message too large.
+ EMULTIHOP = 0x10024, // Reserved.
+ ENAMETOOLONG = 0x10025, // Filename too long.
+ ENETDOWN = 0x10026, // Network is down.
+ ENETRESET = 0x10027, // Connection aborted by network.
+ ENETUNREACH = 0x10028, // Network unreachable.
+ ENFILE = 0x10029, // Too many files open in system.
+ ENOBUFS = 0x1002A, // No buffer space available.
+ ENODEV = 0x1002C, // No such device.
+ ENOENT = 0x1002D, // No such file or directory.
+ ENOEXEC = 0x1002E, // Executable file format error.
+ ENOLCK = 0x1002F, // No locks available.
+ ENOLINK = 0x10030, // Reserved.
+ ENOMEM = 0x10031, // Not enough space.
+ ENOMSG = 0x10032, // No message of the desired type.
+ ENOPROTOOPT = 0x10033, // Protocol not available.
+ ENOSPC = 0x10034, // No space left on device.
+ ENOSYS = 0x10037, // Function not supported.
+ ENOTCONN = 0x10038, // The socket is not connected.
+ ENOTDIR = 0x10039, // Not a directory or a symbolic link to a directory.
+ ENOTEMPTY = 0x1003A, // Directory not empty.
+ ENOTSOCK = 0x1003C, // Not a socket.
+ ENOTSUP = 0x1003D, // Not supported (same value as EOPNOTSUP).
+ ENOTTY = 0x1003E, // Inappropriate I/O control operation.
+ ENXIO = 0x1003F, // No such device or address.
+ EOVERFLOW = 0x10040, // Value too large to be stored in data type.
+ EPERM = 0x10042, // Operation not permitted.
+ EPIPE = 0x10043, // Broken pipe.
+ EPROTO = 0x10044, // Protocol error.
+ EPROTONOSUPPORT = 0x10045, // Protocol not supported.
+ EPROTOTYPE = 0x10046, // Protocol wrong type for socket.
+ ERANGE = 0x10047, // Result too large.
+ EROFS = 0x10048, // Read-only file system.
+ ESPIPE = 0x10049, // Invalid seek.
+ ESRCH = 0x1004A, // No such process.
+ ESTALE = 0x1004B, // Reserved.
+ ETIMEDOUT = 0x1004D, // Connection timed out.
+ ETXTBSY = 0x1004E, // Text file busy.
+ EXDEV = 0x1004F, // Cross-device link.
+ ESOCKTNOSUPPORT = 0x1005E, // Socket type not supported.
+ EPFNOSUPPORT = 0x10060, // Protocol family not supported.
+ ESHUTDOWN = 0x1006C, // Socket shutdown.
+ EHOSTDOWN = 0x10070, // Host is down.
+ ENODATA = 0x10071, // No data available.
+
+ // POSIX permits these to have the same value and we make them always equal so
+ // that CoreFX cannot introduce a dependency on distinguishing between them that
+ // would not work on all platforms.
+ EOPNOTSUPP = ENOTSUP, // Operation not supported on socket.
+ EWOULDBLOCK = EAGAIN, // Operation would block.
+ }
+
+
+ // Represents a platform-agnostic Error and underlying platform-specific errno
+ internal struct ErrorInfo
+ {
+ private Error _error;
+ private int _rawErrno;
+
+ internal ErrorInfo(int errno)
+ {
+ _error = Interop.Sys.ConvertErrorPlatformToPal(errno);
+ _rawErrno = errno;
+ }
+
+ internal ErrorInfo(Error error)
+ {
+ _error = error;
+ _rawErrno = -1;
+ }
+
+ internal Error Error
+ {
+ get { return _error; }
+ }
+
+ internal int RawErrno
+ {
+ get { return _rawErrno == -1 ? (_rawErrno = Interop.Sys.ConvertErrorPalToPlatform(_error)) : _rawErrno; }
+ }
+
+ internal string GetErrorMessage()
+ {
+ return Interop.Sys.StrError(RawErrno);
+ }
+
+ public override string ToString()
+ {
+ return string.Format(
+ "RawErrno: {0} Error: {1} GetErrorMessage: {2}", // No localization required; text is member names used for debugging purposes
+ RawErrno, Error, GetErrorMessage());
+ }
+ }
+
+ internal partial class Sys
+ {
+ internal static Error GetLastError()
+ {
+ return ConvertErrorPlatformToPal(Marshal.GetLastWin32Error());
+ }
+
+ internal static ErrorInfo GetLastErrorInfo()
+ {
+ return new ErrorInfo(Marshal.GetLastWin32Error());
+ }
+
+ internal static unsafe string StrError(int platformErrno)
+ {
+ int maxBufferLength = 1024; // should be long enough for most any UNIX error
+ byte* buffer = stackalloc byte[maxBufferLength];
+ byte* message = StrErrorR(platformErrno, buffer, maxBufferLength);
+
+ if (message == null)
+ {
+ // This means the buffer was not large enough, but still contains
+ // as much of the error message as possible and is guaranteed to
+ // be null-terminated. We're not currently resizing/retrying because
+ // maxBufferLength is large enough in practice, but we could do
+ // so here in the future if necessary.
+ message = buffer;
+ }
+
+ return Marshal.PtrToStringAnsi((IntPtr)message);
+ }
+
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_ConvertErrorPlatformToPal")]
+ internal static extern Error ConvertErrorPlatformToPal(int platformErrno);
+
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_ConvertErrorPalToPlatform")]
+ internal static extern int ConvertErrorPalToPlatform(Error error);
+
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_StrErrorR")]
+ private static unsafe extern byte* StrErrorR(int platformErrno, byte* buffer, int bufferSize);
+ }
+}
+
+// NOTE: extension method can't be nested inside Interop class.
+internal static class InteropErrorExtensions
+{
+ // Intended usage is e.g. Interop.Error.EFAIL.Info() for brevity
+ // vs. new Interop.ErrorInfo(Interop.Error.EFAIL) for synthesizing
+ // errors. Errors originated from the system should be obtained
+ // via GetLastErrorInfo(), not GetLastError().Info() as that will
+ // convert twice, which is not only inefficient but also lossy if
+ // we ever encounter a raw errno that no equivalent in the Error
+ // enum.
+ public static Interop.ErrorInfo Info(this Interop.Error error)
+ {
+ return new Interop.ErrorInfo(error);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/Interop.IOErrors.cs b/src/mscorlib/shared/Interop/Unix/Interop.IOErrors.cs
new file mode 100644
index 0000000000..e9d6ce61d6
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/Interop.IOErrors.cs
@@ -0,0 +1,170 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Runtime.InteropServices;
+using Microsoft.Win32.SafeHandles;
+
+internal static partial class Interop
+{
+ private static void ThrowExceptionForIoErrno(ErrorInfo errorInfo, string path, bool isDirectory, Func<ErrorInfo, ErrorInfo> errorRewriter)
+ {
+ Debug.Assert(errorInfo.Error != Error.SUCCESS);
+ Debug.Assert(errorInfo.Error != Error.EINTR, "EINTR errors should be handled by the native shim and never bubble up to managed code");
+
+ if (errorRewriter != null)
+ {
+ errorInfo = errorRewriter(errorInfo);
+ }
+
+ throw Interop.GetExceptionForIoErrno(errorInfo, path, isDirectory);
+ }
+
+ internal static void CheckIo(Error error, string path = null, bool isDirectory = false, Func<ErrorInfo, ErrorInfo> errorRewriter = null)
+ {
+ if (error != Interop.Error.SUCCESS)
+ {
+ ThrowExceptionForIoErrno(error.Info(), path, isDirectory, errorRewriter);
+ }
+ }
+
+ /// <summary>
+ /// Validates the result of system call that returns greater than or equal to 0 on success
+ /// and less than 0 on failure, with errno set to the error code.
+ /// If the system call failed for any reason, an exception is thrown. Otherwise, the system call succeeded.
+ /// </summary>
+ /// <param name="result">The result of the system call.</param>
+ /// <param name="path">The path with which this error is associated. This may be null.</param>
+ /// <param name="isDirectory">true if the <paramref name="path"/> is known to be a directory; otherwise, false.</param>
+ /// <param name="errorRewriter">Optional function to change an error code prior to processing it.</param>
+ /// <returns>
+ /// On success, returns the non-negative result long that was validated.
+ /// </returns>
+ internal static long CheckIo(long result, string path = null, bool isDirectory = false, Func<ErrorInfo, ErrorInfo> errorRewriter = null)
+ {
+ if (result < 0)
+ {
+ ThrowExceptionForIoErrno(Sys.GetLastErrorInfo(), path, isDirectory, errorRewriter);
+ }
+
+ return result;
+ }
+
+ /// <summary>
+ /// Validates the result of system call that returns greater than or equal to 0 on success
+ /// and less than 0 on failure, with errno set to the error code.
+ /// If the system call failed for any reason, an exception is thrown. Otherwise, the system call succeeded.
+ /// </summary>
+ /// <returns>
+ /// On success, returns the non-negative result int that was validated.
+ /// </returns>
+ internal static int CheckIo(int result, string path = null, bool isDirectory = false, Func<ErrorInfo, ErrorInfo> errorRewriter = null)
+ {
+ CheckIo((long)result, path, isDirectory, errorRewriter);
+
+ return result;
+ }
+
+ /// <summary>
+ /// Validates the result of system call that returns greater than or equal to 0 on success
+ /// and less than 0 on failure, with errno set to the error code.
+ /// If the system call failed for any reason, an exception is thrown. Otherwise, the system call succeeded.
+ /// </summary>
+ /// <returns>
+ /// On success, returns the non-negative result IntPtr that was validated.
+ /// </returns>
+ internal static IntPtr CheckIo(IntPtr result, string path = null, bool isDirectory = false, Func<ErrorInfo, ErrorInfo> errorRewriter = null)
+ {
+ CheckIo((long)result, path, isDirectory, errorRewriter);
+
+ return result;
+ }
+
+ /// <summary>
+ /// Validates the result of system call that returns greater than or equal to 0 on success
+ /// and less than 0 on failure, with errno set to the error code.
+ /// If the system call failed for any reason, an exception is thrown. Otherwise, the system call succeeded.
+ /// </summary>
+ /// <returns>
+ /// On success, returns the valid SafeFileHandle that was validated.
+ /// </returns>
+ internal static TSafeHandle CheckIo<TSafeHandle>(TSafeHandle handle, string path = null, bool isDirectory = false, Func<ErrorInfo, ErrorInfo> errorRewriter = null)
+ where TSafeHandle : SafeHandle
+ {
+ if (handle.IsInvalid)
+ {
+ ThrowExceptionForIoErrno(Sys.GetLastErrorInfo(), path, isDirectory, errorRewriter);
+ }
+
+ return handle;
+ }
+
+ /// <summary>
+ /// Gets an Exception to represent the supplied error info.
+ /// </summary>
+ /// <param name="error">The error info</param>
+ /// <param name="path">The path with which this error is associated. This may be null.</param>
+ /// <param name="isDirectory">true if the <paramref name="path"/> is known to be a directory; otherwise, false.</param>
+ /// <returns></returns>
+ internal static Exception GetExceptionForIoErrno(ErrorInfo errorInfo, string path = null, bool isDirectory = false)
+ {
+ // Translate the errno into a known set of exception types. For cases where multiple errnos map
+ // to the same exception type, include an inner exception with the details.
+ switch (errorInfo.Error)
+ {
+ case Error.ENOENT:
+ if (isDirectory)
+ {
+ return !string.IsNullOrEmpty(path) ?
+ new DirectoryNotFoundException(SR.Format(SR.IO_PathNotFound_Path, path)) :
+ new DirectoryNotFoundException(SR.IO_PathNotFound_NoPathName);
+ }
+ else
+ {
+ return !string.IsNullOrEmpty(path) ?
+ new FileNotFoundException(SR.Format(SR.IO_FileNotFound_FileName, path), path) :
+ new FileNotFoundException(SR.IO_FileNotFound);
+ }
+
+ case Error.EACCES:
+ case Error.EBADF:
+ case Error.EPERM:
+ Exception inner = GetIOException(errorInfo);
+ return !string.IsNullOrEmpty(path) ?
+ new UnauthorizedAccessException(SR.Format(SR.UnauthorizedAccess_IODenied_Path, path), inner) :
+ new UnauthorizedAccessException(SR.UnauthorizedAccess_IODenied_NoPathName, inner);
+
+ case Error.ENAMETOOLONG:
+ return new PathTooLongException(SR.IO_PathTooLong);
+
+ case Error.EWOULDBLOCK:
+ return !string.IsNullOrEmpty(path) ?
+ new IOException(SR.Format(SR.IO_SharingViolation_File, path), errorInfo.RawErrno) :
+ new IOException(SR.IO_SharingViolation_NoFileName, errorInfo.RawErrno);
+
+ case Error.ECANCELED:
+ return new OperationCanceledException();
+
+ case Error.EFBIG:
+ return new ArgumentOutOfRangeException("value", SR.ArgumentOutOfRange_FileLengthTooBig);
+
+ case Error.EEXIST:
+ if (!string.IsNullOrEmpty(path))
+ {
+ return new IOException(SR.Format(SR.IO_FileExists_Name, path), errorInfo.RawErrno);
+ }
+ goto default;
+
+ default:
+ return GetIOException(errorInfo);
+ }
+ }
+
+ internal static Exception GetIOException(Interop.ErrorInfo errorInfo)
+ {
+ return new IOException(errorInfo.GetErrorMessage(), errorInfo.RawErrno);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/Interop.Libraries.cs b/src/mscorlib/shared/Interop/Unix/Interop.Libraries.cs
new file mode 100644
index 0000000000..7b3dea453d
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/Interop.Libraries.cs
@@ -0,0 +1,12 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+internal static partial class Interop
+{
+ internal static partial class Libraries
+ {
+ internal const string GlobalizationInterop = "System.Globalization.Native";
+ internal const string SystemNative = "System.Native";
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Calendar.cs b/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Calendar.cs
new file mode 100644
index 0000000000..7b3caeabdd
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Calendar.cs
@@ -0,0 +1,33 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Globalization;
+using System.Runtime.InteropServices;
+using System.Text;
+
+internal static partial class Interop
+{
+ internal static partial class GlobalizationInterop
+ {
+ internal delegate void EnumCalendarInfoCallback(
+ [MarshalAs(UnmanagedType.LPWStr)] string calendarString,
+ IntPtr context);
+
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_GetCalendars")]
+ internal static extern int GetCalendars(string localeName, CalendarId[] calendars, int calendarsCapacity);
+
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_GetCalendarInfo")]
+ internal static extern ResultCode GetCalendarInfo(string localeName, CalendarId calendarId, CalendarDataType calendarDataType, [Out] StringBuilder result, int resultCapacity);
+
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_EnumCalendarInfo")]
+ internal static extern bool EnumCalendarInfo(EnumCalendarInfoCallback callback, string localeName, CalendarId calendarId, CalendarDataType calendarDataType, IntPtr context);
+
+ [DllImport(Libraries.GlobalizationInterop, EntryPoint = "GlobalizationNative_GetLatestJapaneseEra")]
+ internal static extern int GetLatestJapaneseEra();
+
+ [DllImport(Libraries.GlobalizationInterop, EntryPoint = "GlobalizationNative_GetJapaneseEraStartDate")]
+ internal static extern bool GetJapaneseEraStartDate(int era, out int startYear, out int startMonth, out int startDay);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Casing.cs b/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Casing.cs
new file mode 100644
index 0000000000..769506b8f6
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Casing.cs
@@ -0,0 +1,23 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+using System.Security;
+using System.Text;
+
+internal static partial class Interop
+{
+ internal static partial class GlobalizationInterop
+ {
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_ChangeCase")]
+ internal unsafe static extern void ChangeCase(char* src, int srcLen, char* dstBuffer, int dstBufferCapacity, bool bToUpper);
+
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_ChangeCaseInvariant")]
+ internal unsafe static extern void ChangeCaseInvariant(char* src, int srcLen, char* dstBuffer, int dstBufferCapacity, bool bToUpper);
+
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_ChangeCaseTurkish")]
+ internal unsafe static extern void ChangeCaseTurkish(char* src, int srcLen, char* dstBuffer, int dstBufferCapacity, bool bToUpper);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Idna.cs b/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Idna.cs
new file mode 100644
index 0000000000..43c72281ae
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Idna.cs
@@ -0,0 +1,21 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+
+internal static partial class Interop
+{
+ internal static partial class GlobalizationInterop
+ {
+ internal const int AllowUnassigned = 0x1;
+ internal const int UseStd3AsciiRules = 0x2;
+
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_ToAscii")]
+ internal static unsafe extern int ToAscii(uint flags, char* src, int srcLen, char* dstBuffer, int dstBufferCapacity);
+
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_ToUnicode")]
+ internal static unsafe extern int ToUnicode(uint flags, char* src, int srcLen, char* dstBuffer, int dstBufferCapacity);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Locale.cs b/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Locale.cs
new file mode 100644
index 0000000000..fcea708ee8
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Locale.cs
@@ -0,0 +1,40 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+using System.Text;
+
+internal static partial class Interop
+{
+ internal static partial class GlobalizationInterop
+ {
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_GetLocaleName")]
+ [return: MarshalAs(UnmanagedType.Bool)]
+ internal unsafe static extern bool GetLocaleName(string localeName, [Out] StringBuilder value, int valueLength);
+
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_GetLocaleInfoString")]
+ [return: MarshalAs(UnmanagedType.Bool)]
+ internal unsafe static extern bool GetLocaleInfoString(string localeName, uint localeStringData, [Out] StringBuilder value, int valueLength);
+
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_GetDefaultLocaleName")]
+ [return: MarshalAs(UnmanagedType.Bool)]
+ internal unsafe static extern bool GetDefaultLocaleName([Out] StringBuilder value, int valueLength);
+
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_GetLocaleTimeFormat")]
+ [return: MarshalAs(UnmanagedType.Bool)]
+ internal unsafe static extern bool GetLocaleTimeFormat(string localeName, bool shortFormat, [Out] StringBuilder value, int valueLength);
+
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_GetLocaleInfoInt")]
+ [return: MarshalAs(UnmanagedType.Bool)]
+ internal unsafe static extern bool GetLocaleInfoInt(string localeName, uint localeNumberData, ref int value);
+
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_GetLocaleInfoGroupingSizes")]
+ [return: MarshalAs(UnmanagedType.Bool)]
+ internal unsafe static extern bool GetLocaleInfoGroupingSizes(string localeName, uint localeGroupingData, ref int primaryGroupSize, ref int secondaryGroupSize);
+
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_GetLocales")]
+ internal unsafe static extern int GetLocales([Out] Char[] value, int valueLength);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Normalization.cs b/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Normalization.cs
new file mode 100644
index 0000000000..c4cb9fb851
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Normalization.cs
@@ -0,0 +1,19 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+using System.Text;
+
+internal static partial class Interop
+{
+ internal static partial class GlobalizationInterop
+ {
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_IsNormalized")]
+ internal static extern int IsNormalized(NormalizationForm normalizationForm, string src, int srcLen);
+
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_NormalizeString")]
+ internal static extern int NormalizeString(NormalizationForm normalizationForm, string src, int srcLen, [Out] char[] dstBuffer, int dstBufferCapacity);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.ResultCode.cs b/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.ResultCode.cs
new file mode 100644
index 0000000000..cca6ae4dcb
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.ResultCode.cs
@@ -0,0 +1,18 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+internal static partial class Interop
+{
+ internal static partial class GlobalizationInterop
+ {
+ // needs to be kept in sync with ResultCode in System.Globalization.Native
+ internal enum ResultCode
+ {
+ Success = 0,
+ UnknownError = 1,
+ InsufficentBuffer = 2,
+ OutOfMemory = 3
+ }
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.TimeZoneInfo.cs b/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.TimeZoneInfo.cs
new file mode 100644
index 0000000000..26a9fe0579
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.TimeZoneInfo.cs
@@ -0,0 +1,31 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Runtime.InteropServices;
+using System.Text;
+
+internal static partial class Interop
+{
+ internal static partial class GlobalizationInterop
+ {
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Ansi, EntryPoint = "GlobalizationNative_ReadLink")] // readlink requires char*
+ internal static extern bool ReadLink(string filePath, [Out] StringBuilder result, uint resultCapacity);
+
+ // needs to be kept in sync with TimeZoneDisplayNameType in System.Globalization.Native
+ internal enum TimeZoneDisplayNameType
+ {
+ Generic = 0,
+ Standard = 1,
+ DaylightSavings = 2,
+ }
+
+ [DllImport(Libraries.GlobalizationInterop, CharSet = CharSet.Unicode, EntryPoint = "GlobalizationNative_GetTimeZoneDisplayName")]
+ internal static extern ResultCode GetTimeZoneDisplayName(
+ string localeName,
+ string timeZoneId,
+ TimeZoneDisplayNameType type,
+ [Out] StringBuilder result,
+ int resultLength);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Utils.cs b/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Utils.cs
new file mode 100644
index 0000000000..33b10c0d74
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Globalization.Native/Interop.Utils.cs
@@ -0,0 +1,52 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Text;
+
+internal static partial class Interop
+{
+ /// <summary>
+ /// Helper for making interop calls that return a string, but we don't know
+ /// the correct size of buffer to make. So invoke the interop call with an
+ /// increasing buffer until the size is big enough.
+ /// </summary>
+ internal static bool CallStringMethod<TArg1, TArg2, TArg3>(
+ Func<TArg1, TArg2, TArg3, StringBuilder, GlobalizationInterop.ResultCode> interopCall,
+ TArg1 arg1,
+ TArg2 arg2,
+ TArg3 arg3,
+ out string result)
+ {
+ const int initialStringSize = 80;
+ const int maxDoubleAttempts = 5;
+
+ StringBuilder stringBuilder = StringBuilderCache.Acquire(initialStringSize);
+
+ for (int i = 0; i < maxDoubleAttempts; i++)
+ {
+ GlobalizationInterop.ResultCode resultCode = interopCall(arg1, arg2, arg3, stringBuilder);
+
+ if (resultCode == GlobalizationInterop.ResultCode.Success)
+ {
+ result = StringBuilderCache.GetStringAndRelease(stringBuilder);
+ return true;
+ }
+ else if (resultCode == GlobalizationInterop.ResultCode.InsufficentBuffer)
+ {
+ // increase the string size and loop
+ stringBuilder.EnsureCapacity(stringBuilder.Capacity * 2);
+ }
+ else
+ {
+ // if there is an unknown error, don't proceed
+ break;
+ }
+ }
+
+ StringBuilderCache.Release(stringBuilder);
+ result = null;
+ return false;
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Close.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Close.cs
new file mode 100644
index 0000000000..8d192398a0
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Close.cs
@@ -0,0 +1,15 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_Close", SetLastError = true)]
+ internal static extern int Close(IntPtr fd);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.FLock.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.FLock.cs
new file mode 100644
index 0000000000..22934a3e77
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.FLock.cs
@@ -0,0 +1,31 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+using Microsoft.Win32.SafeHandles;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ internal enum LockOperations : int
+ {
+ LOCK_SH = 1, /* shared lock */
+ LOCK_EX = 2, /* exclusive lock */
+ LOCK_NB = 4, /* don't block when locking*/
+ LOCK_UN = 8, /* unlock */
+ }
+
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_FLock", SetLastError = true)]
+ internal static extern int FLock(SafeFileHandle fd, LockOperations operation);
+
+ /// <summary>
+ /// Exposing this for SafeFileHandle.ReleaseHandle() to call.
+ /// Normal callers should use FLock(SafeFileHandle fd).
+ /// </summary>
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_FLock", SetLastError = true)]
+ internal static extern int FLock(IntPtr fd, LockOperations operation);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.FSync.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.FSync.cs
new file mode 100644
index 0000000000..e3ab970931
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.FSync.cs
@@ -0,0 +1,15 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Runtime.InteropServices;
+using Microsoft.Win32.SafeHandles;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_FSync", SetLastError = true)]
+ internal static extern int FSync(SafeFileHandle fd);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.FTruncate.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.FTruncate.cs
new file mode 100644
index 0000000000..5dad650362
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.FTruncate.cs
@@ -0,0 +1,15 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Runtime.InteropServices;
+using Microsoft.Win32.SafeHandles;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_FTruncate", SetLastError = true)]
+ internal static extern int FTruncate(SafeFileHandle fd, long length);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.GetCwd.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.GetCwd.cs
new file mode 100644
index 0000000000..a27a35c9f5
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.GetCwd.cs
@@ -0,0 +1,74 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_GetCwd", SetLastError = true)]
+ private static unsafe extern byte* GetCwd(byte* buffer, int bufferLength);
+
+ internal static unsafe string GetCwd()
+ {
+ const int StackLimit = 256;
+
+ // First try to get the path into a buffer on the stack
+ byte* stackBuf = stackalloc byte[StackLimit];
+ string result = GetCwdHelper(stackBuf, StackLimit);
+ if (result != null)
+ {
+ return result;
+ }
+
+ // If that was too small, try increasing large buffer sizes
+ // until we get one that works or until we hit MaxPath.
+ int maxPath = Interop.Sys.MaxPath;
+ if (StackLimit < maxPath)
+ {
+ int bufferSize = StackLimit;
+ do
+ {
+ checked { bufferSize *= 2; }
+ var buf = new byte[Math.Min(bufferSize, maxPath)];
+ fixed (byte* ptr = &buf[0])
+ {
+ result = GetCwdHelper(ptr, buf.Length);
+ if (result != null)
+ {
+ return result;
+ }
+ }
+ }
+ while (bufferSize < maxPath);
+ }
+
+ // If we couldn't get the cwd with a MaxPath-sized buffer, something's wrong.
+ throw Interop.GetExceptionForIoErrno(new ErrorInfo(Interop.Error.ENAMETOOLONG));
+ }
+
+ private static unsafe string GetCwdHelper(byte* ptr, int bufferSize)
+ {
+ // Call the real getcwd
+ byte* result = GetCwd(ptr, bufferSize);
+
+ // If it returned non-null, the null-terminated path is in the buffer
+ if (result != null)
+ {
+ return Marshal.PtrToStringAnsi((IntPtr)ptr);
+ }
+
+ // Otherwise, if it failed due to the buffer being too small, return null;
+ // for anything else, throw.
+ ErrorInfo errorInfo = Interop.Sys.GetLastErrorInfo();
+ if (errorInfo.Error == Interop.Error.ERANGE)
+ {
+ return null;
+ }
+ throw Interop.GetExceptionForIoErrno(errorInfo);
+ }
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.GetRandomBytes.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.GetRandomBytes.cs
new file mode 100644
index 0000000000..62156e8d8e
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.GetRandomBytes.cs
@@ -0,0 +1,21 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Diagnostics;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal unsafe partial class Sys
+ {
+ [DllImport(Interop.Libraries.SystemNative, EntryPoint = "SystemNative_GetNonCryptographicallySecureRandomBytes")]
+ internal static unsafe extern void GetNonCryptographicallySecureRandomBytes(byte* buffer, int length);
+ }
+
+ internal static unsafe void GetRandomBytes(byte* buffer, int length)
+ {
+ Sys.GetNonCryptographicallySecureRandomBytes(buffer, length);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.LSeek.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.LSeek.cs
new file mode 100644
index 0000000000..7f8df7c6bf
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.LSeek.cs
@@ -0,0 +1,22 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Runtime.InteropServices;
+using Microsoft.Win32.SafeHandles;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ internal enum SeekWhence
+ {
+ SEEK_SET = 0,
+ SEEK_CUR = 1,
+ SEEK_END = 2
+ }
+
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_LSeek", SetLastError = true)]
+ internal static extern long LSeek(SafeFileHandle fd, long offset, SeekWhence whence);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.LockFileRegion.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.LockFileRegion.cs
new file mode 100644
index 0000000000..23b48a4f5d
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.LockFileRegion.cs
@@ -0,0 +1,21 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ internal enum LockType : short
+ {
+ F_WRLCK = 1, // exclusive or write lock
+ F_UNLCK = 2 // unlock
+ }
+
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_LockFileRegion", SetLastError=true)]
+ internal static extern int LockFileRegion(SafeHandle fd, long offset, long length, LockType lockType);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.MksTemps.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.MksTemps.cs
new file mode 100644
index 0000000000..b8694d9007
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.MksTemps.cs
@@ -0,0 +1,17 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_MksTemps", SetLastError = true)]
+ internal static extern IntPtr MksTemps(
+ byte[] template,
+ int suffixlen);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Open.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Open.cs
new file mode 100644
index 0000000000..a9a994c78c
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Open.cs
@@ -0,0 +1,15 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Runtime.InteropServices;
+using Microsoft.Win32.SafeHandles;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_Open", SetLastError = true)]
+ internal static extern SafeFileHandle Open(string filename, OpenFlags flags, int mode);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.OpenFlags.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.OpenFlags.cs
new file mode 100644
index 0000000000..f9e54c3cbc
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.OpenFlags.cs
@@ -0,0 +1,27 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ [Flags]
+ internal enum OpenFlags
+ {
+ // Access modes (mutually exclusive)
+ O_RDONLY = 0x0000,
+ O_WRONLY = 0x0001,
+ O_RDWR = 0x0002,
+
+ // Flags (combinable)
+ O_CLOEXEC = 0x0010,
+ O_CREAT = 0x0020,
+ O_EXCL = 0x0040,
+ O_TRUNC = 0x0080,
+ O_SYNC = 0x0100,
+ }
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.PathConf.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.PathConf.cs
new file mode 100644
index 0000000000..4a1fcf67d0
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.PathConf.cs
@@ -0,0 +1,73 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ internal static int DEFAULT_PC_NAME_MAX = 255;
+
+ internal enum PathConfName : int
+ {
+ PC_LINK_MAX = 1,
+ PC_MAX_CANON = 2,
+ PC_MAX_INPUT = 3,
+ PC_NAME_MAX = 4,
+ PC_PATH_MAX = 5,
+ PC_PIPE_BUF = 6,
+ PC_CHOWN_RESTRICTED = 7,
+ PC_NO_TRUNC = 8,
+ PC_VDISABLE = 9,
+ }
+
+ /// <summary>The maximum path length for the system. -1 if it hasn't yet been initialized.</summary>
+ private static int s_maxPath = -1;
+
+ /// <summary>The maximum name length for the system. -1 if it hasn't yet been initialized.</summary>
+ private static int s_maxName = -1;
+
+ internal static int MaxPath
+ {
+ get
+ {
+ // Benign race condition on cached value
+ if (s_maxPath < 0)
+ {
+ // GetMaximumPath returns a long from PathConf
+ // but our callers expect an int so we need to convert.
+ long temp = GetMaximumPath();
+ if (temp > int.MaxValue)
+ s_maxPath = int.MaxValue;
+ else
+ s_maxPath = Convert.ToInt32(temp);
+ }
+ return s_maxPath;
+ }
+ }
+
+ internal static int MaxName
+ {
+ get
+ {
+ // Benign race condition on cached value
+ if (s_maxName < 0)
+ {
+ int result = PathConf("/", PathConfName.PC_NAME_MAX);
+ s_maxName = result >= 0 ? result : DEFAULT_PC_NAME_MAX;
+ }
+
+ return s_maxName;
+ }
+ }
+
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_PathConf", SetLastError = true)]
+ private static extern int PathConf(string path, PathConfName name);
+
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_GetMaximumPath")]
+ private static extern long GetMaximumPath();
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Permissions.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Permissions.cs
new file mode 100644
index 0000000000..f1d13787d2
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Permissions.cs
@@ -0,0 +1,32 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ [Flags]
+ internal enum Permissions
+ {
+ Mask = S_IRWXU | S_IRWXG | S_IRWXO,
+
+ S_IRWXU = S_IRUSR | S_IWUSR | S_IXUSR,
+ S_IRUSR = 0x100,
+ S_IWUSR = 0x80,
+ S_IXUSR = 0x40,
+
+ S_IRWXG = S_IRGRP | S_IWGRP | S_IXGRP,
+ S_IRGRP = 0x20,
+ S_IWGRP = 0x10,
+ S_IXGRP = 0x8,
+
+ S_IRWXO = S_IROTH | S_IWOTH | S_IXOTH,
+ S_IROTH = 0x4,
+ S_IWOTH = 0x2,
+ S_IXOTH = 0x1,
+ }
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.PosixFAdvise.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.PosixFAdvise.cs
new file mode 100644
index 0000000000..69e39b30d2
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.PosixFAdvise.cs
@@ -0,0 +1,36 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Runtime.InteropServices;
+using Microsoft.Win32.SafeHandles;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ internal enum FileAdvice : int
+ {
+ POSIX_FADV_NORMAL = 0, /* no special advice, the default value */
+ POSIX_FADV_RANDOM = 1, /* random I/O access */
+ POSIX_FADV_SEQUENTIAL = 2, /* sequential I/O access */
+ POSIX_FADV_WILLNEED = 3, /* will need specified pages */
+ POSIX_FADV_DONTNEED = 4, /* don't need the specified pages */
+ POSIX_FADV_NOREUSE = 5, /* data will only be acessed once */
+ }
+
+ /// <summary>
+ /// Notifies the OS kernel that the specified file will be accessed in a particular way soon; this allows the kernel to
+ /// potentially optimize the access pattern of the file.
+ /// </summary>
+ /// <param name="fd">The file descriptor of the file</param>
+ /// <param name="offset">The start of the region to advise about</param>
+ /// <param name="length">The number of bytes of the region (until the end of the file if 0)</param>
+ /// <param name="advice">The type of advice to give the kernel about the specified region</param>
+ /// <returns>
+ /// Returns 0 on success; otherwise, the error code is returned
+ /// </returns>
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_PosixFAdvise", SetLastError = false /* this is explicitly called out in the man page */)]
+ internal static extern int PosixFAdvise(SafeFileHandle fd, long offset, long length, FileAdvice advice);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Read.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Read.cs
new file mode 100644
index 0000000000..812ae348dc
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Read.cs
@@ -0,0 +1,25 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Runtime.InteropServices;
+using Microsoft.Win32.SafeHandles;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ /// <summary>
+ /// Reads a number of bytes from an open file descriptor into a specified buffer.
+ /// </summary>
+ /// <param name="fd">The open file descriptor to try to read from</param>
+ /// <param name="buffer">The buffer to read info into</param>
+ /// <param name="count">The size of the buffer</param>
+ /// <returns>
+ /// Returns the number of bytes read on success; otherwise, -1 is returned
+ /// Note - on fail. the position of the stream may change depending on the platform; consult man 2 read for more info
+ /// </returns>
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_Read", SetLastError = true)]
+ internal static unsafe extern int Read(SafeFileHandle fd, byte* buffer, int count);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Stat.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Stat.cs
new file mode 100644
index 0000000000..a8bc2ec7d1
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Stat.cs
@@ -0,0 +1,59 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+using Microsoft.Win32.SafeHandles;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ // Even though csc will by default use a sequential layout, a CS0649 warning as error
+ // is produced for un-assigned fields when no StructLayout is specified.
+ //
+ // Explicitly saying Sequential disables that warning/error for consumers which only
+ // use Stat in debug builds.
+ [StructLayout(LayoutKind.Sequential)]
+ internal struct FileStatus
+ {
+ internal FileStatusFlags Flags;
+ internal int Mode;
+ internal uint Uid;
+ internal uint Gid;
+ internal long Size;
+ internal long ATime;
+ internal long MTime;
+ internal long CTime;
+ internal long BirthTime;
+ }
+
+ internal static class FileTypes
+ {
+ internal const int S_IFMT = 0xF000;
+ internal const int S_IFIFO = 0x1000;
+ internal const int S_IFCHR = 0x2000;
+ internal const int S_IFDIR = 0x4000;
+ internal const int S_IFREG = 0x8000;
+ internal const int S_IFLNK = 0xA000;
+ internal const int S_IFSOCK = 0xC000;
+ }
+
+ [Flags]
+ internal enum FileStatusFlags
+ {
+ None = 0,
+ HasBirthTime = 1,
+ }
+
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_FStat", SetLastError = true)]
+ internal static extern int FStat(SafeFileHandle fd, out FileStatus output);
+
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_Stat", SetLastError = true)]
+ internal static extern int Stat(string path, out FileStatus output);
+
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_LStat", SetLastError = true)]
+ internal static extern int LStat(string path, out FileStatus output);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.SysLog.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.SysLog.cs
new file mode 100644
index 0000000000..6b6a74b743
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.SysLog.cs
@@ -0,0 +1,58 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Runtime.InteropServices;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ internal enum SysLogPriority : int
+ {
+ // Priorities
+ LOG_EMERG = 0, /* system is unusable */
+ LOG_ALERT = 1, /* action must be taken immediately */
+ LOG_CRIT = 2, /* critical conditions */
+ LOG_ERR = 3, /* error conditions */
+ LOG_WARNING = 4, /* warning conditions */
+ LOG_NOTICE = 5, /* normal but significant condition */
+ LOG_INFO = 6, /* informational */
+ LOG_DEBUG = 7, /* debug-level messages */
+ // Facilities
+ LOG_KERN = (0<<3), /* kernel messages */
+ LOG_USER = (1<<3), /* random user-level messages */
+ LOG_MAIL = (2<<3), /* mail system */
+ LOG_DAEMON = (3<<3), /* system daemons */
+ LOG_AUTH = (4<<3), /* authorization messages */
+ LOG_SYSLOG = (5<<3), /* messages generated internally by syslogd */
+ LOG_LPR = (6<<3), /* line printer subsystem */
+ LOG_NEWS = (7<<3), /* network news subsystem */
+ LOG_UUCP = (8<<3), /* UUCP subsystem */
+ LOG_CRON = (9<<3), /* clock daemon */
+ LOG_AUTHPRIV = (10<<3), /* authorization messages (private) */
+ LOG_FTP = (11<<3), /* ftp daemon */
+ // Between FTP and Local is reserved for system use
+ LOG_LOCAL0 = (16<<3), /* reserved for local use */
+ LOG_LOCAL1 = (17<<3), /* reserved for local use */
+ LOG_LOCAL2 = (18<<3), /* reserved for local use */
+ LOG_LOCAL3 = (19<<3), /* reserved for local use */
+ LOG_LOCAL4 = (20<<3), /* reserved for local use */
+ LOG_LOCAL5 = (21<<3), /* reserved for local use */
+ LOG_LOCAL6 = (22<<3), /* reserved for local use */
+ LOG_LOCAL7 = (23<<3), /* reserved for local use */
+ }
+
+ /// <summary>
+ /// Write a message to the system logger, which in turn writes the message to the system console, log files, etc.
+ /// See man 3 syslog for more info
+ /// </summary>
+ /// <param name="priority">
+ /// The OR of a priority and facility in the SysLogPriority enum to declare the priority and facility of the log entry
+ /// </param>
+ /// <param name="message">The message to put in the log entry</param>
+ /// <param name="arg1">Like printf, the argument is passed to the variadic part of the C++ function to wildcards in the message</param>
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_SysLog")]
+ internal static extern void SysLog(SysLogPriority priority, string message, string arg1);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Unlink.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Unlink.cs
new file mode 100644
index 0000000000..829210fa7e
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Unlink.cs
@@ -0,0 +1,15 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_Unlink", SetLastError = true)]
+ internal static extern int Unlink(string pathname);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Write.cs b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Write.cs
new file mode 100644
index 0000000000..c14fc26263
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Unix/System.Native/Interop.Write.cs
@@ -0,0 +1,27 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Runtime.InteropServices;
+using Microsoft.Win32.SafeHandles;
+
+internal static partial class Interop
+{
+ internal static partial class Sys
+ {
+ /// <summary>
+ /// Writes the specified buffer to the provided open file descriptor
+ /// </summary>
+ /// <param name="fd">The file descriptor to try and write to</param>
+ /// <param name="buffer">The data to attempt to write</param>
+ /// <param name="bufferSize">The amount of data to write, in bytes</param>
+ /// <returns>
+ /// Returns the number of bytes written on success; otherwise, returns -1 and sets errno
+ /// </returns>
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_Write", SetLastError = true)]
+ internal static unsafe extern int Write(SafeFileHandle fd, byte* buffer, int bufferSize);
+
+ [DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_Write", SetLastError = true)]
+ internal static unsafe extern int Write(int fd, byte* buffer, int bufferSize);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/BCrypt/Interop.BCryptGenRandom.cs b/src/mscorlib/shared/Interop/Windows/BCrypt/Interop.BCryptGenRandom.cs
new file mode 100644
index 0000000000..bc357125b5
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/BCrypt/Interop.BCryptGenRandom.cs
@@ -0,0 +1,44 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Diagnostics;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class BCrypt
+ {
+ internal static unsafe int BCryptGenRandom(byte* pbBuffer, int count)
+ {
+ Debug.Assert(pbBuffer != null);
+ Debug.Assert(count >= 0);
+
+ return BCryptGenRandom(IntPtr.Zero, pbBuffer, count, BCRYPT_USE_SYSTEM_PREFERRED_RNG);
+ }
+
+ private const int BCRYPT_USE_SYSTEM_PREFERRED_RNG = 0x00000002;
+ internal const int STATUS_SUCCESS = 0x0;
+ internal const int STATUS_NO_MEMORY = unchecked((int)0xC0000017);
+
+ [DllImport(Libraries.BCrypt, CharSet = CharSet.Unicode)]
+ private static unsafe extern int BCryptGenRandom(IntPtr hAlgorithm, byte* pbBuffer, int cbBuffer, int dwFlags);
+ }
+
+ internal static unsafe void GetRandomBytes(byte* buffer, int length)
+ {
+ int status = BCrypt.BCryptGenRandom(buffer, length);
+ if (status != BCrypt.STATUS_SUCCESS)
+ {
+ if (status == BCrypt.STATUS_NO_MEMORY)
+ {
+ throw new OutOfMemoryException();
+ }
+ else
+ {
+ throw new InvalidOperationException();
+ }
+ }
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Crypt32/Interop.CryptProtectMemory.cs b/src/mscorlib/shared/Interop/Windows/Crypt32/Interop.CryptProtectMemory.cs
new file mode 100644
index 0000000000..b10cb6a041
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Crypt32/Interop.CryptProtectMemory.cs
@@ -0,0 +1,22 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+using System.Security;
+
+internal partial class Interop
+{
+ internal partial class Crypt32
+ {
+ internal const uint CRYPTPROTECTMEMORY_BLOCK_SIZE = 16;
+ internal const uint CRYPTPROTECTMEMORY_SAME_PROCESS = 0;
+
+ [DllImport(Libraries.Crypt32, CharSet = CharSet.Unicode, SetLastError = true)]
+ internal static extern bool CryptProtectMemory(SafeBSTRHandle pData, uint cbData, uint dwFlags);
+
+ [DllImport(Libraries.Crypt32, CharSet = CharSet.Unicode, SetLastError = true)]
+ internal static extern bool CryptUnprotectMemory(SafeBSTRHandle pData, uint cbData, uint dwFlags);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Interop.BOOL.cs b/src/mscorlib/shared/Interop/Windows/Interop.BOOL.cs
new file mode 100644
index 0000000000..9f4dab8935
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Interop.BOOL.cs
@@ -0,0 +1,21 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+internal partial class Interop
+{
+ /// <summary>
+ /// Blittable version of Windows BOOL type. It is convenient in situations where
+ /// manual marshalling is required, or to avoid overhead of regular bool marshalling.
+ /// </summary>
+ /// <remarks>
+ /// Some Windows APIs return arbitrary integer values although the return type is defined
+ /// as BOOL. It is best to never compare BOOL to TRUE. Always use bResult != BOOL.FALSE
+ /// or bResult == BOOL.FALSE .
+ /// </remarks>
+ internal enum BOOL : int
+ {
+ FALSE = 0,
+ TRUE = 1,
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Interop.Errors.cs b/src/mscorlib/shared/Interop/Windows/Interop.Errors.cs
new file mode 100644
index 0000000000..ff2653765c
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Interop.Errors.cs
@@ -0,0 +1,44 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+internal partial class Interop
+{
+ // As defined in winerror.h and https://msdn.microsoft.com/en-us/library/windows/desktop/ms681382.aspx
+ internal partial class Errors
+ {
+ internal const int ERROR_SUCCESS = 0x0;
+ internal const int ERROR_FILE_NOT_FOUND = 0x2;
+ internal const int ERROR_PATH_NOT_FOUND = 0x3;
+ internal const int ERROR_ACCESS_DENIED = 0x5;
+ internal const int ERROR_INVALID_HANDLE = 0x6;
+ internal const int ERROR_NOT_ENOUGH_MEMORY = 0x8;
+ internal const int ERROR_INVALID_DRIVE = 0xF;
+ internal const int ERROR_NO_MORE_FILES = 0x12;
+ internal const int ERROR_NOT_READY = 0x15;
+ internal const int ERROR_SHARING_VIOLATION = 0x20;
+ internal const int ERROR_HANDLE_EOF = 0x26;
+ internal const int ERROR_FILE_EXISTS = 0x50;
+ internal const int ERROR_INVALID_PARAMETER = 0x57;
+ internal const int ERROR_BROKEN_PIPE = 0x6D;
+ internal const int ERROR_INSUFFICIENT_BUFFER = 0x7A;
+ internal const int ERROR_INVALID_NAME = 0x7B;
+ internal const int ERROR_BAD_PATHNAME = 0xA1;
+ internal const int ERROR_ALREADY_EXISTS = 0xB7;
+ internal const int ERROR_ENVVAR_NOT_FOUND = 0xCB;
+ internal const int ERROR_FILENAME_EXCED_RANGE = 0xCE;
+ internal const int ERROR_NO_DATA = 0xE8;
+ internal const int ERROR_MORE_DATA = 0xEA;
+ internal const int ERROR_NO_MORE_ITEMS = 0x103;
+ internal const int ERROR_NOT_OWNER = 0x120;
+ internal const int ERROR_TOO_MANY_POSTS = 0x12A;
+ internal const int ERROR_ARITHMETIC_OVERFLOW = 0x216;
+ internal const int ERROR_MUTANT_LIMIT_EXCEEDED = 0x24B;
+ internal const int ERROR_OPERATION_ABORTED = 0x3E3;
+ internal const int ERROR_IO_PENDING = 0x3E5;
+ internal const int ERROR_NO_UNICODE_TRANSLATION = 0x459;
+ internal const int ERROR_NOT_FOUND = 0x490;
+ internal const int ERROR_BAD_IMPERSONATION_LEVEL = 0x542;
+ internal const int E_FILENOTFOUND = unchecked((int)0x80070002);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Interop.Libraries.cs b/src/mscorlib/shared/Interop/Windows/Interop.Libraries.cs
new file mode 100644
index 0000000000..58bb12d637
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Interop.Libraries.cs
@@ -0,0 +1,15 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+internal static partial class Interop
+{
+ internal static partial class Libraries
+ {
+ internal const string BCrypt = "BCrypt.dll";
+ internal const string Crypt32 = "crypt32.dll";
+ internal const string Kernel32 = "kernel32.dll";
+ internal const string NtDll = "ntdll.dll";
+ internal const string OleAut32 = "oleaut32.dll";
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.CancelIoEx.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.CancelIoEx.cs
new file mode 100644
index 0000000000..fc99e3052f
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.CancelIoEx.cs
@@ -0,0 +1,16 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.Win32.SafeHandles;
+using System.Runtime.InteropServices;
+using System.Threading;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ [DllImport(Libraries.Kernel32, SetLastError = true)]
+ internal static extern unsafe bool CancelIoEx(SafeHandle handle, NativeOverlapped* lpOverlapped);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.CloseHandle.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.CloseHandle.cs
new file mode 100644
index 0000000000..96ed922a84
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.CloseHandle.cs
@@ -0,0 +1,16 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ [DllImport(Libraries.Kernel32, SetLastError = true)]
+ [return: MarshalAs(UnmanagedType.Bool)]
+ internal static extern bool CloseHandle(IntPtr handle);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.CreateFile.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.CreateFile.cs
new file mode 100644
index 0000000000..9ee1e16fa6
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.CreateFile.cs
@@ -0,0 +1,40 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.IO;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ /// <summary>
+ /// WARNING: This method does not implicitly handle long paths. Use CreateFile.
+ /// </summary>
+ [DllImport(Libraries.Kernel32, EntryPoint = "CreateFileW", SetLastError = true, CharSet = CharSet.Unicode, BestFitMapping = false)]
+ private static extern SafeFileHandle CreateFilePrivate(
+ string lpFileName,
+ int dwDesiredAccess,
+ System.IO.FileShare dwShareMode,
+ ref SECURITY_ATTRIBUTES securityAttrs,
+ System.IO.FileMode dwCreationDisposition,
+ int dwFlagsAndAttributes,
+ IntPtr hTemplateFile);
+
+ internal static SafeFileHandle CreateFile(
+ string lpFileName,
+ int dwDesiredAccess,
+ System.IO.FileShare dwShareMode,
+ ref SECURITY_ATTRIBUTES securityAttrs,
+ System.IO.FileMode dwCreationDisposition,
+ int dwFlagsAndAttributes,
+ IntPtr hTemplateFile)
+ {
+ lpFileName = PathInternal.EnsureExtendedPrefixOverMaxPath(lpFileName);
+ return CreateFilePrivate(lpFileName, dwDesiredAccess, dwShareMode, ref securityAttrs, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
+ }
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.CreateFile2.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.CreateFile2.cs
new file mode 100644
index 0000000000..0909d3a6c8
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.CreateFile2.cs
@@ -0,0 +1,31 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ [DllImport(Libraries.Kernel32, EntryPoint = "CreateFile2", SetLastError = true, CharSet = CharSet.Unicode, BestFitMapping = false)]
+ internal static extern unsafe SafeFileHandle CreateFile2(
+ string lpFileName,
+ int dwDesiredAccess,
+ System.IO.FileShare dwShareMode,
+ System.IO.FileMode dwCreationDisposition,
+ CREATEFILE2_EXTENDED_PARAMETERS* pCreateExParams);
+
+ internal unsafe struct CREATEFILE2_EXTENDED_PARAMETERS
+ {
+ internal uint dwSize;
+ internal uint dwFileAttributes;
+ internal uint dwFileFlags;
+ internal uint dwSecurityQosFlags;
+ internal SECURITY_ATTRIBUTES* lpSecurityAttributes;
+ internal IntPtr hTemplateFile;
+ }
+ }
+} \ No newline at end of file
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.FILE_INFO_BY_HANDLE_CLASS.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.FILE_INFO_BY_HANDLE_CLASS.cs
new file mode 100644
index 0000000000..e31a453ba9
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.FILE_INFO_BY_HANDLE_CLASS.cs
@@ -0,0 +1,39 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ internal enum FILE_INFO_BY_HANDLE_CLASS : uint
+ {
+ FileBasicInfo = 0x0u,
+ FileStandardInfo = 0x1u,
+ FileNameInfo = 0x2u,
+ FileRenameInfo = 0x3u,
+ FileDispositionInfo = 0x4u,
+ FileAllocationInfo = 0x5u,
+ FileEndOfFileInfo = 0x6u,
+ FileStreamInfo = 0x7u,
+ FileCompressionInfo = 0x8u,
+ FileAttributeTagInfo = 0x9u,
+ FileIdBothDirectoryInfo = 0xAu,
+ FileIdBothDirectoryRestartInfo = 0xBu,
+ FileIoPriorityHintInfo = 0xCu,
+ FileRemoteProtocolInfo = 0xDu,
+ FileFullDirectoryInfo = 0xEu,
+ FileFullDirectoryRestartInfo = 0xFu,
+ FileStorageInfo = 0x10u,
+ FileAlignmentInfo = 0x11u,
+ FileIdInfo = 0x12u,
+ FileIdExtdDirectoryInfo = 0x13u,
+ FileIdExtdDirectoryRestartInfo = 0x14u,
+ MaximumFileInfoByHandleClass = 0x15u,
+ }
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.FileTypes.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.FileTypes.cs
new file mode 100644
index 0000000000..1d306665b1
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.FileTypes.cs
@@ -0,0 +1,16 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ internal partial class FileTypes
+ {
+ internal const int FILE_TYPE_DISK = 0x0001;
+ internal const int FILE_TYPE_CHAR = 0x0002;
+ internal const int FILE_TYPE_PIPE = 0x0003;
+ }
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.FlushFileBuffers.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.FlushFileBuffers.cs
new file mode 100644
index 0000000000..e10a2279cf
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.FlushFileBuffers.cs
@@ -0,0 +1,17 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ [DllImport(Libraries.Kernel32, SetLastError = true)]
+ [return: MarshalAs(UnmanagedType.Bool)]
+ internal static extern bool FlushFileBuffers(SafeHandle hHandle);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.FormatMessage.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.FormatMessage.cs
new file mode 100644
index 0000000000..94722b6c8b
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.FormatMessage.cs
@@ -0,0 +1,112 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Text;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ private const int FORMAT_MESSAGE_IGNORE_INSERTS = 0x00000200;
+ private const int FORMAT_MESSAGE_FROM_HMODULE = 0x00000800;
+ private const int FORMAT_MESSAGE_FROM_SYSTEM = 0x00001000;
+ private const int FORMAT_MESSAGE_ARGUMENT_ARRAY = 0x00002000;
+
+
+ private const int ERROR_INSUFFICIENT_BUFFER = 0x7A;
+
+ [DllImport(Libraries.Kernel32, CharSet = CharSet.Unicode, EntryPoint = "FormatMessageW", SetLastError = true, BestFitMapping = true)]
+ private static extern int FormatMessage(
+ int dwFlags,
+ IntPtr lpSource,
+ uint dwMessageId,
+ int dwLanguageId,
+ [Out] StringBuilder lpBuffer,
+ int nSize,
+ IntPtr[] arguments);
+
+ /// <summary>
+ /// Returns a string message for the specified Win32 error code.
+ /// </summary>
+ internal static string GetMessage(int errorCode)
+ {
+ return GetMessage(IntPtr.Zero, errorCode);
+ }
+
+ internal static string GetMessage(IntPtr moduleHandle, int errorCode)
+ {
+ var sb = new StringBuilder(InitialBufferSize);
+ do
+ {
+ string errorMsg;
+ if (TryGetErrorMessage(moduleHandle, errorCode, sb, out errorMsg))
+ {
+ return errorMsg;
+ }
+ else
+ {
+ // increase the capacity of the StringBuilder.
+ sb.Capacity *= BufferSizeIncreaseFactor;
+ }
+ }
+ while (sb.Capacity < MaxAllowedBufferSize);
+
+ // If you come here then a size as large as 65K is also not sufficient and so we give the generic errorMsg.
+ return string.Format("Unknown error (0x{0:x})", errorCode);
+ }
+
+ private static bool TryGetErrorMessage(IntPtr moduleHandle, int errorCode, StringBuilder sb, out string errorMsg)
+ {
+ errorMsg = "";
+
+ int flags = FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_ARGUMENT_ARRAY;
+ if (moduleHandle != IntPtr.Zero)
+ {
+ flags |= FORMAT_MESSAGE_FROM_HMODULE;
+ }
+
+ int result = FormatMessage(flags, moduleHandle, (uint)errorCode, 0, sb, sb.Capacity, null);
+ if (result != 0)
+ {
+ int i = sb.Length;
+ while (i > 0)
+ {
+ char ch = sb[i - 1];
+ if (ch > 32 && ch != '.') break;
+ i--;
+ }
+ errorMsg = sb.ToString(0, i);
+ }
+ else if (Marshal.GetLastWin32Error() == ERROR_INSUFFICIENT_BUFFER)
+ {
+ return false;
+ }
+ else
+ {
+ errorMsg = string.Format("Unknown error (0x{0:x})", errorCode);
+ }
+
+ return true;
+ }
+
+ // Windows API FormatMessage lets you format a message string given an errorcode.
+ // Unlike other APIs this API does not support a way to query it for the total message size.
+ //
+ // So the API can only be used in one of these two ways.
+ // a. You pass a buffer of appropriate size and get the resource.
+ // b. Windows creates a buffer and passes the address back and the onus of releasing the buffer lies on the caller.
+ //
+ // Since the error code is coming from the user, it is not possible to know the size in advance.
+ // Unfortunately we can't use option b. since the buffer can only be freed using LocalFree and it is a private API on onecore.
+ // Also, using option b is ugly for the managed code and could cause memory leak in situations where freeing is unsuccessful.
+ //
+ // As a result we use the following approach.
+ // We initially call the API with a buffer size of 256 and then gradually increase the size in case of failure until we reach the maximum allowed limit of 65K.
+ private const int InitialBufferSize = 256;
+ private const int BufferSizeIncreaseFactor = 4;
+ private const int MaxAllowedBufferSize = 65 * 1024;
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetFileInformationByHandleEx.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetFileInformationByHandleEx.cs
new file mode 100644
index 0000000000..1106cff1c5
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetFileInformationByHandleEx.cs
@@ -0,0 +1,25 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ [DllImport(Libraries.Kernel32, SetLastError = true)]
+ internal static extern bool GetFileInformationByHandleEx(SafeFileHandle hFile, FILE_INFO_BY_HANDLE_CLASS FileInformationClass, out FILE_STANDARD_INFO lpFileInformation, uint dwBufferSize);
+
+ internal struct FILE_STANDARD_INFO
+ {
+ internal long AllocationSize;
+ internal long EndOfFile;
+ internal uint NumberOfLinks;
+ internal BOOL DeletePending;
+ internal BOOL Directory;
+ }
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetFileType_SafeHandle.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetFileType_SafeHandle.cs
new file mode 100644
index 0000000000..c07a1683a5
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetFileType_SafeHandle.cs
@@ -0,0 +1,15 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.Win32.SafeHandles;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ [DllImport(Libraries.Kernel32, SetLastError = true)]
+ internal extern static int GetFileType(SafeHandle hFile);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetFullPathNameW.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetFullPathNameW.cs
new file mode 100644
index 0000000000..15dd581113
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetFullPathNameW.cs
@@ -0,0 +1,18 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ /// <summary>
+ /// WARNING: This method does not implicitly handle long paths. Use GetFullPathName or PathHelper.
+ /// </summary>
+ [DllImport(Libraries.Kernel32, SetLastError = true, CharSet = CharSet.Unicode, BestFitMapping = false, ExactSpelling = true)]
+ unsafe internal static extern uint GetFullPathNameW(char* path, uint numBufferChars, char[] buffer, IntPtr mustBeZero);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetLongPathNameW.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetLongPathNameW.cs
new file mode 100644
index 0000000000..ce04078af5
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetLongPathNameW.cs
@@ -0,0 +1,18 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ /// <summary>
+ /// WARNING: This method does not implicitly handle long paths. Use GetFullPath/PathHelper.
+ /// </summary>
+ [DllImport(Libraries.Kernel32, SetLastError = true, CharSet = CharSet.Unicode, BestFitMapping = false, ExactSpelling = true)]
+ internal static extern uint GetLongPathNameW(char[] lpszShortPath, char[] lpszLongPath, uint cchBuffer);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetTempFileNameW.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetTempFileNameW.cs
new file mode 100644
index 0000000000..36673895b4
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetTempFileNameW.cs
@@ -0,0 +1,16 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Text;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ [DllImport(Libraries.Kernel32, CharSet = CharSet.Unicode, SetLastError = true, BestFitMapping = false)]
+ internal static extern uint GetTempFileNameW(string tmpPath, string prefix, uint uniqueIdOrZero, [Out]StringBuilder tmpFileName);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetTempPathW.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetTempPathW.cs
new file mode 100644
index 0000000000..ff2783be26
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.GetTempPathW.cs
@@ -0,0 +1,16 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.IO;
+using System.Text;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ [DllImport(Libraries.Kernel32, CharSet = CharSet.Unicode, BestFitMapping = false)]
+ internal static extern uint GetTempPathW(int bufferLen, [Out]StringBuilder buffer);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.LockFile.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.LockFile.cs
new file mode 100644
index 0000000000..a21d00f4f6
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.LockFile.cs
@@ -0,0 +1,20 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.IO;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ [DllImport(Libraries.Kernel32, SetLastError = true)]
+ internal static extern bool LockFile(SafeFileHandle handle, int offsetLow, int offsetHigh, int countLow, int countHigh);
+
+ [DllImport(Libraries.Kernel32, SetLastError = true)]
+ internal static extern bool UnlockFile(SafeFileHandle handle, int offsetLow, int offsetHigh, int countLow, int countHigh);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.OutputDebugString.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.OutputDebugString.cs
new file mode 100644
index 0000000000..8da50ff8ab
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.OutputDebugString.cs
@@ -0,0 +1,14 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ [DllImport(Interop.Libraries.Kernel32, CharSet = CharSet.Unicode, EntryPoint = "OutputDebugStringW", ExactSpelling = true)]
+ internal static extern void OutputDebugString(string message);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.ReadFile_SafeHandle_IntPtr.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.ReadFile_SafeHandle_IntPtr.cs
new file mode 100644
index 0000000000..076f7f136f
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.ReadFile_SafeHandle_IntPtr.cs
@@ -0,0 +1,21 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ [DllImport(Libraries.Kernel32, SetLastError = true)]
+ internal static extern unsafe int ReadFile(
+ SafeHandle handle,
+ byte* bytes,
+ int numBytesToRead,
+ out int numBytesRead,
+ IntPtr mustBeZero);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.ReadFile_SafeHandle_NativeOverlapped.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.ReadFile_SafeHandle_NativeOverlapped.cs
new file mode 100644
index 0000000000..3ae65a8806
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.ReadFile_SafeHandle_NativeOverlapped.cs
@@ -0,0 +1,22 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.Runtime.InteropServices;
+using System.Threading;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ [DllImport(Libraries.Kernel32, SetLastError = true)]
+ internal static extern unsafe int ReadFile(
+ SafeHandle handle,
+ byte* bytes,
+ int numBytesToRead,
+ IntPtr numBytesRead_mustBeZero,
+ NativeOverlapped* overlapped);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SECURITY_ATTRIBUTES.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SECURITY_ATTRIBUTES.cs
new file mode 100644
index 0000000000..8d31f8622f
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SECURITY_ATTRIBUTES.cs
@@ -0,0 +1,21 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ [StructLayout(LayoutKind.Sequential)]
+ internal struct SECURITY_ATTRIBUTES
+ {
+ internal uint nLength;
+ internal IntPtr lpSecurityDescriptor;
+ internal BOOL bInheritHandle;
+ }
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SecurityOptions.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SecurityOptions.cs
new file mode 100644
index 0000000000..4a4402484f
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SecurityOptions.cs
@@ -0,0 +1,18 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ internal partial class SecurityOptions
+ {
+ internal const int SECURITY_SQOS_PRESENT = 0x00100000;
+ internal const int SECURITY_ANONYMOUS = 0 << 16;
+ internal const int SECURITY_IDENTIFICATION = 1 << 16;
+ internal const int SECURITY_IMPERSONATION = 2 << 16;
+ internal const int SECURITY_DELEGATION = 3 << 16;
+ }
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SetEndOfFile.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SetEndOfFile.cs
new file mode 100644
index 0000000000..e5d60041a8
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SetEndOfFile.cs
@@ -0,0 +1,15 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.Win32.SafeHandles;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ [DllImport(Libraries.Kernel32, SetLastError = true)]
+ internal static extern bool SetEndOfFile(SafeFileHandle hFile);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SetErrorMode.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SetErrorMode.cs
new file mode 100644
index 0000000000..276f49c519
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SetErrorMode.cs
@@ -0,0 +1,16 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ [DllImport(Libraries.Kernel32, SetLastError = false, EntryPoint = "SetErrorMode", ExactSpelling = true)]
+ internal static extern uint SetErrorMode(uint newMode);
+
+ internal const uint SEM_FAILCRITICALERRORS = 1;
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SetFilePointerEx.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SetFilePointerEx.cs
new file mode 100644
index 0000000000..c0e5247a52
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.SetFilePointerEx.cs
@@ -0,0 +1,15 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.Win32.SafeHandles;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ [DllImport(Libraries.Kernel32, SetLastError = true)]
+ internal static extern bool SetFilePointerEx(SafeFileHandle hFile, long liDistanceToMove, out long lpNewFilePointer, uint dwMoveMethod);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.WideCharToMultiByte.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.WideCharToMultiByte.cs
new file mode 100644
index 0000000000..a06c9153f4
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.WideCharToMultiByte.cs
@@ -0,0 +1,22 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ [DllImport(Libraries.Kernel32)]
+ internal static extern unsafe int WideCharToMultiByte(
+ uint CodePage, uint dwFlags,
+ char* lpWideCharStr, int cchWideChar,
+ byte* lpMultiByteStr, int cbMultiByte,
+ IntPtr lpDefaultChar, IntPtr lpUsedDefaultChar);
+
+ internal const uint CP_ACP = 0;
+ internal const uint WC_NO_BEST_FIT_CHARS = 0x00000400;
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.WriteFile_SafeHandle_IntPtr.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.WriteFile_SafeHandle_IntPtr.cs
new file mode 100644
index 0000000000..69651ca1ca
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.WriteFile_SafeHandle_IntPtr.cs
@@ -0,0 +1,23 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ // Note there are two different WriteFile prototypes - this is to use
+ // the type system to force you to not trip across a "feature" in
+ // Win32's async IO support. You can't do the following three things
+ // simultaneously: overlapped IO, free the memory for the overlapped
+ // struct in a callback (or an EndWrite method called by that callback),
+ // and pass in an address for the numBytesRead parameter.
+
+ [DllImport(Libraries.Kernel32, SetLastError = true)]
+ internal static extern unsafe int WriteFile(SafeHandle handle, byte* bytes, int numBytesToWrite, out int numBytesWritten, IntPtr mustBeZero);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.WriteFile_SafeHandle_NativeOverlapped.cs b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.WriteFile_SafeHandle_NativeOverlapped.cs
new file mode 100644
index 0000000000..dc1e97555b
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/Kernel32/Interop.WriteFile_SafeHandle_NativeOverlapped.cs
@@ -0,0 +1,22 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.Win32.SafeHandles;
+using System;
+using System.Runtime.InteropServices;
+using System.Threading;
+internal partial class Interop
+{
+ internal partial class Kernel32
+ {
+ // Note there are two different WriteFile prototypes - this is to use
+ // the type system to force you to not trip across a "feature" in
+ // Win32's async IO support. You can't do the following three things
+ // simultaneously: overlapped IO, free the memory for the overlapped
+ // struct in a callback (or an EndWrite method called by that callback),
+ // and pass in an address for the numBytesRead parameter.
+ [DllImport(Libraries.Kernel32, SetLastError = true)]
+ internal static extern unsafe int WriteFile(SafeHandle handle, byte* bytes, int numBytesToWrite, IntPtr numBytesWritten_mustBeZero, NativeOverlapped* lpOverlapped);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/NtDll/Interop.ZeroMemory.cs b/src/mscorlib/shared/Interop/Windows/NtDll/Interop.ZeroMemory.cs
new file mode 100644
index 0000000000..9bf7321f2a
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/NtDll/Interop.ZeroMemory.cs
@@ -0,0 +1,16 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+using System.Security;
+
+internal partial class Interop
+{
+ internal partial class NtDll
+ {
+ [DllImport(Libraries.NtDll, CharSet = CharSet.Unicode, EntryPoint = "RtlZeroMemory")]
+ internal static extern void ZeroMemory(IntPtr address, UIntPtr length);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/OleAut32/Interop.SysAllocStringLen.cs b/src/mscorlib/shared/Interop/Windows/OleAut32/Interop.SysAllocStringLen.cs
new file mode 100644
index 0000000000..1af2b3fce9
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/OleAut32/Interop.SysAllocStringLen.cs
@@ -0,0 +1,19 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+using System.Security;
+
+internal partial class Interop
+{
+ internal partial class OleAut32
+ {
+ [DllImport(Libraries.OleAut32, CharSet = CharSet.Unicode)]
+ internal static extern SafeBSTRHandle SysAllocStringLen(IntPtr src, uint len);
+
+ [DllImport(Libraries.OleAut32, CharSet = CharSet.Unicode)]
+ internal static extern IntPtr SysAllocStringLen(String src, int len);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/OleAut32/Interop.SysFreeString.cs b/src/mscorlib/shared/Interop/Windows/OleAut32/Interop.SysFreeString.cs
new file mode 100644
index 0000000000..8673cc6724
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/OleAut32/Interop.SysFreeString.cs
@@ -0,0 +1,15 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+
+internal partial class Interop
+{
+ internal partial class OleAut32
+ {
+ [DllImport(Libraries.OleAut32)]
+ internal static extern void SysFreeString(IntPtr bstr);
+ }
+}
diff --git a/src/mscorlib/shared/Interop/Windows/OleAut32/Interop.SysStringLen.cs b/src/mscorlib/shared/Interop/Windows/OleAut32/Interop.SysStringLen.cs
new file mode 100644
index 0000000000..cf65d6b086
--- /dev/null
+++ b/src/mscorlib/shared/Interop/Windows/OleAut32/Interop.SysStringLen.cs
@@ -0,0 +1,19 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Runtime.InteropServices;
+using System.Security;
+
+internal partial class Interop
+{
+ internal partial class OleAut32
+ {
+ [DllImport(Libraries.OleAut32)]
+ internal static extern uint SysStringLen(SafeBSTRHandle bstr);
+
+ [DllImport(Libraries.OleAut32)]
+ internal static extern uint SysStringLen(IntPtr bstr);
+ }
+}