103 lines
3.4 KiB
C#
103 lines
3.4 KiB
C#
//
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// System.Threading.AutoResetEvent.cs
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//
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// Author:
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// Dick Porter (dick@ximian.com)
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// Veronica De Santis (veron78@interfree.it)
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//
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// (C) Ximian, Inc. http://www.ximian.com
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//
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//
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// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Runtime.CompilerServices;
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using Microsoft.Win32.SafeHandles;
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#if !MOBILE && !NETCORE
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using System.Security.AccessControl;
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using System.IO;
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#endif
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namespace System.Threading
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{
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internal static class NativeEventCalls
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{
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public unsafe static IntPtr CreateEvent_internal (bool manual, bool initial, string name, out int errorCode)
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{
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// FIXME check for embedded nuls in name
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fixed (char *fixed_name = name)
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return CreateEvent_icall (manual, initial, fixed_name, name?.Length ?? 0, out errorCode);
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}
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[MethodImplAttribute(MethodImplOptions.InternalCall)]
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private unsafe static extern IntPtr CreateEvent_icall (bool manual, bool initial, char *name, int name_length, out int errorCode);
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public static bool SetEvent (SafeWaitHandle handle)
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{
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bool release = false;
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try {
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handle.DangerousAddRef (ref release);
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return SetEvent_internal (handle.DangerousGetHandle ());
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} finally {
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if (release)
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handle.DangerousRelease ();
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}
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}
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[MethodImplAttribute(MethodImplOptions.InternalCall)]
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static extern bool SetEvent_internal(IntPtr handle);
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public static bool ResetEvent (SafeWaitHandle handle)
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{
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bool release = false;
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try {
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handle.DangerousAddRef (ref release);
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return ResetEvent_internal (handle.DangerousGetHandle ());
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} finally {
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if (release)
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handle.DangerousRelease ();
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}
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}
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[MethodImplAttribute(MethodImplOptions.InternalCall)]
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static extern bool ResetEvent_internal(IntPtr handle);
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[MethodImplAttribute(MethodImplOptions.InternalCall)]
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public static extern void CloseEvent_internal (IntPtr handle);
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#if !MOBILE && !NETCORE
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public unsafe static IntPtr OpenEvent_internal (string name, EventWaitHandleRights rights, out int errorCode)
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{
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// FIXME check for embedded nuls in name
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fixed (char *fixed_name = name)
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return OpenEvent_icall (fixed_name, name?.Length ?? 0, rights, out errorCode);
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}
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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private unsafe static extern IntPtr OpenEvent_icall (char *name, int name_length, EventWaitHandleRights rights, out int errorCode);
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#endif
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}
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}
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