diff options
Diffstat (limited to 'src/mscorlib/corefx/Interop/Unix/Interop.Errors.cs')
-rw-r--r-- | src/mscorlib/corefx/Interop/Unix/Interop.Errors.cs | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/src/mscorlib/corefx/Interop/Unix/Interop.Errors.cs b/src/mscorlib/corefx/Interop/Unix/Interop.Errors.cs deleted file mode 100644 index 4248434db3..0000000000 --- a/src/mscorlib/corefx/Interop/Unix/Interop.Errors.cs +++ /dev/null @@ -1,207 +0,0 @@ -// 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); - } -} |