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