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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/corefx/Interop/Unix/Interop.IOErrors.cs
parent4b11dc566a5bbfa1378d6266525c281b028abcc8 (diff)
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Imported Upstream version 2.0.0.11353upstream/2.0.0.11353
Diffstat (limited to 'src/mscorlib/corefx/Interop/Unix/Interop.IOErrors.cs')
-rw-r--r--src/mscorlib/corefx/Interop/Unix/Interop.IOErrors.cs170
1 files changed, 0 insertions, 170 deletions
diff --git a/src/mscorlib/corefx/Interop/Unix/Interop.IOErrors.cs b/src/mscorlib/corefx/Interop/Unix/Interop.IOErrors.cs
deleted file mode 100644
index e9d6ce61d6..0000000000
--- a/src/mscorlib/corefx/Interop/Unix/Interop.IOErrors.cs
+++ /dev/null
@@ -1,170 +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.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);
- }
-}