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// 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_OpenDir", SetLastError = true)]
internal static extern IntPtr OpenDir_native(string path);
[DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_ReadDirR", SetLastError = false)]
internal static extern unsafe int ReadDirR_native(IntPtr dir, byte* buffer, int bufferSize, out DirectoryEntry outputEntry);
[DllImport(Libraries.SystemNative, EntryPoint = "SystemNative_CloseDir", SetLastError = true)]
internal static extern int CloseDir_native(IntPtr dir);
internal static IntPtr OpenDir (string path) {
IntPtr result;
do {
result = OpenDir_native (path);
} while (result == IntPtr.Zero && Marshal.GetLastWin32Error () == (int) Interop.Error.EINTR);
return result;
}
internal static int CloseDir (IntPtr dir) {
int result;
do {
result = CloseDir_native (dir);
} while (result < 0 && Marshal.GetLastWin32Error () == (int) Interop.Error.EINTR);
return result;
}
internal static unsafe int ReadDirR (IntPtr dir, byte* buffer, int bufferSize, out DirectoryEntry outputEntry) {
int result;
do {
result = ReadDirR_native (dir, buffer, bufferSize, out outputEntry);
} while (result == (int) Interop.Error.EINTR);
return result;
}
}
}
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