File: src\libraries\Common\src\Interop\Windows\Kernel32\Interop.Semaphore.cs
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Project: src\src\coreclr\System.Private.CoreLib\System.Private.CoreLib.csproj (System.Private.CoreLib)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System;
using System.Runtime.InteropServices;
using Microsoft.Win32.SafeHandles;
 
internal static partial class Interop
{
    internal static partial class Kernel32
    {
        [LibraryImport(Libraries.Kernel32, EntryPoint = "OpenSemaphoreW", SetLastError = true, StringMarshalling = StringMarshalling.Utf16)]
        internal static partial SafeWaitHandle OpenSemaphore(uint desiredAccess, [MarshalAs(UnmanagedType.Bool)] bool inheritHandle, string name);
 
        [LibraryImport(Libraries.Kernel32, EntryPoint = "CreateSemaphoreExW", SetLastError = true, StringMarshalling = StringMarshalling.Utf16)]
        internal static partial SafeWaitHandle CreateSemaphoreEx(IntPtr lpSecurityAttributes, int initialCount, int maximumCount, string? name, uint flags, uint desiredAccess);
 
        [LibraryImport(Libraries.Kernel32, SetLastError = true)]
        [return: MarshalAs(UnmanagedType.Bool)]
        internal static partial bool ReleaseSemaphore(SafeWaitHandle handle, int releaseCount, out int previousCount);
    }
}