diff options
Diffstat (limited to 'src/mscorlib/shared/Interop/Unix/System.Native/Interop.LockFileRegion.cs')
-rw-r--r-- | src/mscorlib/shared/Interop/Unix/System.Native/Interop.LockFileRegion.cs | 21 |
1 files changed, 21 insertions, 0 deletions
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); + } +} |