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//
// System.Threading.Monitor.cs
//
// Author:
// Dick Porter (dick@ximian.com)
//
// (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.Runtime.CompilerServices;
#if FEATURE_REMOTING
using System.Runtime.Remoting.Contexts;
#endif
using System.Runtime.ConstrainedExecution;
using System.Runtime.InteropServices;
namespace System.Threading
{
public static partial class Monitor
{
[MethodImplAttribute(MethodImplOptions.InternalCall)]
extern static bool Monitor_test_synchronised(object obj);
[MethodImplAttribute(MethodImplOptions.InternalCall)]
extern static void Monitor_pulse(object obj);
static void ObjPulse(Object obj)
{
if (!Monitor_test_synchronised (obj))
throw new SynchronizationLockException("Object is not synchronized");
Monitor_pulse (obj);
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
extern static void Monitor_pulse_all(object obj);
static void ObjPulseAll(Object obj)
{
if (!Monitor_test_synchronised (obj))
throw new SynchronizationLockException("Object is not synchronized");
Monitor_pulse_all (obj);
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
extern static bool Monitor_wait(object obj, int ms);
static bool ObjWait(bool exitContext, int millisecondsTimeout, Object obj)
{
if (millisecondsTimeout < 0 && millisecondsTimeout != (int) Timeout.Infinite)
throw new ArgumentOutOfRangeException ("millisecondsTimeout");
if (!Monitor_test_synchronised (obj))
throw new SynchronizationLockException ("Object is not synchronized");
try {
#if FEATURE_REMOTING
if (exitContext)
SynchronizationAttribute.ExitContext ();
#endif
return Monitor_wait (obj, millisecondsTimeout);
} finally {
#if FEATURE_REMOTING
if (exitContext)
SynchronizationAttribute.EnterContext ();
#endif
}
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
extern static void try_enter_with_atomic_var (object obj, int millisecondsTimeout, ref bool lockTaken);
static void ReliableEnterTimeout(Object obj, int timeout, ref bool lockTaken)
{
if (obj == null)
throw new ArgumentNullException ("obj");
if (timeout < 0 && timeout != (int) Timeout.Infinite)
throw new ArgumentOutOfRangeException ("millisecondsTimeout");
try_enter_with_atomic_var (obj, timeout, ref lockTaken);
}
static void ReliableEnter(Object obj, ref bool lockTaken)
{
ReliableEnterTimeout (obj, (int) Timeout.Infinite, ref lockTaken);
}
[MethodImplAttribute(MethodImplOptions.InternalCall)]
extern static bool Monitor_test_owner (object obj);
static bool IsEnteredNative(Object obj)
{
return Monitor_test_owner (obj);
}
}
}
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