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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/System.Native/Interop.PosixFAdvise.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/System.Native/Interop.PosixFAdvise.cs')
-rw-r--r--src/mscorlib/corefx/Interop/Unix/System.Native/Interop.PosixFAdvise.cs36
1 files changed, 0 insertions, 36 deletions
diff --git a/src/mscorlib/corefx/Interop/Unix/System.Native/Interop.PosixFAdvise.cs b/src/mscorlib/corefx/Interop/Unix/System.Native/Interop.PosixFAdvise.cs
deleted file mode 100644
index 69e39b30d2..0000000000
--- a/src/mscorlib/corefx/Interop/Unix/System.Native/Interop.PosixFAdvise.cs
+++ /dev/null
@@ -1,36 +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.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);
- }
-}