public static void TryEnter(object obj, int millisecondsTimeout, ref bool tookLock)
{
global::System.Diagnostics.Debug.Assert(!tookLock);
MSyncVarOp mop = (millisecondsTimeout == Timeout.Infinite) ? MSyncVarOp.LOCK_ACQUIRE : MSyncVarOp.LOCK_TRYACQUIRE;
tookLock = TryEnterRaw(obj, millisecondsTimeout, mop, "Monitor.TryEnter");
}
// specialized WrapRelease for NativeEvents
public static bool WrapRelease(System.IntPtr o, MSyncVarOp mop, ReleaseOp ro, String instrMethod)
{
return(Helper.SimpleWrap <bool>(
delegate(ClrSyncManager manager)
{
manager.SetMethodInfo(instrMethod);
manager.SyncVarAccess(manager.GetSyncVarFromNativeHandle((System.IntPtr)o), mop);
bool ret;
try
{
ret = ro(o);
}
catch (Exception e)
{
manager.CommitSyncVarAccess();
throw e;
};
manager.CommitSyncVarAccess();
return ret;
},
delegate()
{
return ro(o);
}));
}
public void AggregateSyncVarAccess(SyncVar[] v, MSyncVarOp op)
{
if (!Conversions.AggregateSyncVarAccess(v, op))
{
ChessDetach();
}
}
// for use by instrumentation layer (not by CHESS)
public void SyncVarAccess(SyncVar sv, MSyncVarOp mop)
{
if (!Conversions.SyncVarAccess(sv, mop))
{
ChessDetach();
}
}
public SyncVar SyncVarAccess(UIntPtr o, MSyncVarOp mop)
{
SyncVar sv = syncVarManager.GetSyncVarFromUIntPtr(o);
if (!Conversions.SyncVarAccess(sv, mop))
{
ChessDetach();
}
return(sv);
}
public void SyncVarAccess(object o, MSyncVarOp mop)
{
if (o == null)
{
return;
}
if (!Conversions.SyncVarAccess(syncVarManager.GetSyncVarFromObject(o), mop))
{
ChessDetach();
}
}
public void AggregateSyncVarAccess(object[] syncops, MSyncVarOp op)
{
SyncVar[] sarr = new SyncVar[syncops.Length];
for (int i = 0; i < sarr.Length; i++)
{
sarr[i] = syncVarManager.GetSyncVarFromObject(syncops[i]);
}
if (!Conversions.AggregateSyncVarAccess(sarr, op))
{
ChessDetach();
}
}
// Monitor.TryEnter (Object) Attempts to acquire an exclusive lock on the specified object.
public static bool TryEnterRaw(object @lock, int timeOut, MSyncVarOp operation, string name)
{
if (@lock == null)
{
throw new ArgumentNullException();
}
if (timeOut < 0 && timeOut != Timeout.Infinite)
{
throw new ArgumentOutOfRangeException();
}
return(Helper.SimpleWrap <bool>(
delegate(ClrSyncManager manager)
{
bool flag;
while (true)
{
try
{
manager.SetMethodInfo(name);
manager.SyncVarAccess(@lock, operation);
flag = Original::Monitor.TryEnter(@lock);
if (!flag && timeOut == Timeout.Infinite)
{
manager.LocalBacktrack();
continue;
}
}
catch (Exception e)
{
manager.CommitSyncVarAccess();
throw e;
}
if (flag)
{
MonitorHelper.IncrementReentrancyCount(@lock);
}
if (!flag)
{
manager.MarkTimeout();
}
manager.CommitSyncVarAccess();
break;
}
return flag;
},
delegate()
{
return Original::Monitor.TryEnter(@lock, timeOut);
}));
}
public static bool WrapRelease(object o, MSyncVarOp mop, ReleaseOp ro, String instrMethod)
{
return(Helper.SimpleWrap <bool>(
delegate(ClrSyncManager manager)
{
manager.SetMethodInfo(instrMethod);
manager.SyncVarAccess(o, mop);
bool ret;
try {
ret = ro(o);
} catch (Exception e) {
manager.CommitSyncVarAccess();
throw e;
};
manager.CommitSyncVarAccess();
return ret;
},
delegate()
{
return ro(o);
}));
}
public static T WrapProperty <T>(Original::ReaderWriterLockSlim @lock, PropertyDel <T> property, MSyncVarOp mop, string instrMethod)
{
return(Helper.SimpleWrap <T>(
delegate(ClrSyncManager manager)
{
manager.SetMethodInfo(instrMethod);
manager.SyncVarAccess(@lock, mop);
T ret;
try {
ret = property();
} catch (Exception e) {
manager.CommitSyncVarAccess();
throw e;
};
manager.CommitSyncVarAccess();
return ret;
},
delegate()
{
return property();
}));
}
public static T WrapReceive <T>(BlockingReceive <T> b, QueueEmpty qe, object o, MSyncVarOp mop, String instrMethod)
{
return(SimpleWrap <T>(
delegate(ClrSyncManager manager)
{
T ret;
while (true)
{
manager.SetMethodInfo(instrMethod);
manager.SyncVarAccess(o, mop);
try
{
if (qe())
{
manager.LocalBacktrack();
continue;
}
ret = b();
}
catch (Exception e)
{
manager.CommitSyncVarAccess();
throw e;
}
manager.CommitSyncVarAccess();
break;
}
;
return ret;
},
delegate()
{
return b();
}));
}
public static bool WrapAcquire(BlockingAcquire b, NonBlockingAcquire nb, object o, MSyncVarOp mop, String instrMethod)
{
return(SimpleWrap <bool>(
delegate(ClrSyncManager manager)
{
while (true)
{
manager.SetMethodInfo(instrMethod);
manager.SyncVarAccess(o, mop);
try
{
if (!nb())
{
manager.LocalBacktrack();
continue;
}
}
catch (Exception e)
{
manager.CommitSyncVarAccess();
throw e;
}
manager.CommitSyncVarAccess();
break;
}
;
return true;
},
delegate()
{
return b();
}));
}
// Monitor.TryEnter (Object, TimeSpan) Attempts, for the specified amount of time, to acquire
// an exclusive lock on the specified object.
public static bool TryEnter(object @lock, TimeSpan timeOut)
{
MSyncVarOp mop = (timeOut.TotalMilliseconds == Timeout.Infinite) ? MSyncVarOp.LOCK_ACQUIRE : MSyncVarOp.LOCK_TRYACQUIRE;
return(TryEnterRaw(@lock, (int)timeOut.TotalMilliseconds, mop, "Monitor.TryEnter"));
}
// Monitor.TryEnter (Object, Int32) Attempts, for the specified number of milliseconds, to
// acquire an exclusive lock on the specified object.
public static bool TryEnter(object @lock, int timeOut)
{
MSyncVarOp mop = (timeOut == Timeout.Infinite) ? MSyncVarOp.LOCK_ACQUIRE : MSyncVarOp.LOCK_TRYACQUIRE;
return(TryEnterRaw(@lock, timeOut, mop, "Monitor.TryEnter"));
}
