public static T SimpleRefWrap <T>(ref T tgt, SimpleRefDel <T> originalCode, String instrMethod)
{
using (_ProtectingThreadContext.Acquire())
{
if (WrapperSentry.Wrap())
{
ClrSyncManager manager = ClrSyncManager.SyncManager;
manager.SetMethodInfo(instrMethod);
if (manager.TrackGC)
{
return(ref_wrap_gcaddr(manager, ref tgt, originalCode));
}
else if (manager.TrackVolatile)
{
return(ref_wrap_uintptr(manager, ref tgt, originalCode));
}
else
{
return(originalCode(ref tgt));
}
}
else
{
return(originalCode(ref tgt));
}
}
}
private Exception raw_access(UIntPtr address, uint size, bool @volatile, bool write)
{
using (_ProtectingThreadContext.Acquire())
{
try
{
if (WrapperSentry.Wrap())
{
using (new WrapperSentry())
{
GCAddress gcAddress;
if (TrackGC && GCAddress.FromAddress(address, out gcAddress))
{
try
{
if (@volatile)
{
SetMethodInfo(write ? "vol.write" : "vol.read");
SyncVarAccess(gcAddress, write ? MSyncVarOp.RWVAR_WRITE : MSyncVarOp.RWVAR_READ);
CommitSyncVarAccess();
}
else
{
SetMethodInfo(write ? "write" : "read");
DataVarAccess(gcAddress, write);
}
}
finally
{
gcAddress.Release();
}
}
else
{
// TODO: take size into account
if (@volatile)
{
SetMethodInfo(write ? "vol.write" : "vol.read");
SyncVarAccess(address, write ? MSyncVarOp.RWVAR_WRITE : MSyncVarOp.RWVAR_READ);
CommitSyncVarAccess();
}
else
{
SetMethodInfo(write ? "write" : "read");
DataVarAccess(address, write);
}
}
}
}
}
catch (Exception e)
{
return(e);
}
}
return(null);
}
public Exception ObjectAccessThreadMonitor_AllocationAccess(object allocatedObject)
{
// we are screwed if .Acquire allocates objects - *uck
using (_ProtectingThreadContext.Acquire())
{
// This flag prevents recursive calls to new (we allocate objects in the wrapper)
// This flag is protected by the Lock acquire above
if (InAllocationAccess)
{
return(null);
}
try
{
InAllocationAccess = true;
if (WrapperSentry.Wrap())
{
// Note that we are not entering wrappers here
// Because we want the thread forked to be under CHESS' control
// However, the check for .Wrap() guarantees that this wrapper is disabled for objects allocated by our wrappers
System.GC.SuppressFinalize(allocatedObject);
ThreadStart finalizerThreadStart = new ThreadStart(() =>
{
try
{
typeof(Object).GetMethod("Finalize", BindingFlags.Instance | BindingFlags.NonPublic).Invoke(allocatedObject, null);
}
catch (TargetInvocationException e)
{
throw e.InnerException;
}
});
Thread finalizerThread = Helper.ConstructThread <ThreadStart>(
delegate(ThreadStart del) { return(new Thread(del)); },
finalizerThreadStart,
Helper.WrapThreadStart
);
Helper.StartHelper(finalizerThread, null, false);
}
}
catch (Exception e)
{
InAllocationAccess = false;
return(e);
}
InAllocationAccess = false;
}
return(null);
}
public static void SimpleWrap <T>(ref T r, SimpleDelManagerRef <T> instrumentedCode, SimpleDelRef <T> originalCode)
{
using (_ProtectingThreadContext.Acquire())
{
if (WrapperSentry.Wrap())
{
using (new WrapperSentry())
{
ClrSyncManager manager = ClrSyncManager.SyncManager;
instrumentedCode(manager, ref r);
}
}
else
{
originalCode(ref r);
}
}
}
public static T SimpleWrap <T>(SimpleDelManager <T> instrumentedCode, SimpleDel <T> originalCode)
{
using (_ProtectingThreadContext.Acquire())
{
if (WrapperSentry.Wrap())
{
using (new WrapperSentry())
{
ClrSyncManager manager = ClrSyncManager.SyncManager;
return(instrumentedCode(manager));
}
}
else
{
return(originalCode());
}
}
}
public static T SimpleContextExposingWrap <T>(SimpleDelManagerContext <T> instrumentedCode, SimpleDel <T> originalCode)
{
IDisposable protectingcontext = _ProtectingThreadContext.Acquire();
try
{
if (WrapperSentry.Wrap())
{
using (new WrapperSentry())
{
ClrSyncManager manager = ClrSyncManager.SyncManager;
return(instrumentedCode(manager, ref protectingcontext));
}
}
else
{
return(originalCode());
}
}
finally
{
protectingcontext.Dispose();
}
}
public override void LeaveChess()
{
WrapperSentry.LeaveChessImpl();
}
public override void EnterChess()
{
WrapperSentry.EnterChessImpl();
}
