public static void AssertLockIsHeld(object o)
{
#if DEBUG_LOCK_TRACE
LockTrace debug = GetTrace(o);
if (debug == null || debug.Owner != Thread.CurrentThread)
{
throw new SynchronizationLockException(string.Format("No lock is held on object {0}.", o.GetType().ToString()));
}
#endif
}
public static void AssertLockIsHeld(object o, string message)
{
#if DEBUG_LOCK_TRACE
LockTrace debug = GetTrace(o);
if (debug == null || debug.Owner != Thread.CurrentThread)
{
throw new SynchronizationLockException(message);
}
#endif
}
public static Cookie Lock(object o)
{
// Create the cookie which will release the lock.
#if DEBUG_LOCK_TRACE
LockTrace t;
lock (c_Traces.SyncRoot) {
t = GetTrace(o);
if (t == null)
{
c_Traces[new HashableWeakReference(o)] = t = new LockTrace(o);
}
}
Cookie cookie = new Cookie(o, t);
#else
Cookie cookie = new Cookie(o);
#endif
#if DEBUG_LOCK_CONTENTION
if (!Monitor.TryEnter(o))
{
Thread owner = t.Owner;
Debug.WriteLine(string.Format("Lock contention detected on object of type {0}:",
o.GetType().ToString()), t.GetType().ToString());
Debug.Indent();
try {
Debug.WriteLine(string.Format("Contending thread: {0}; Thread owning lock: {1}",
Thread.CurrentThread.Name, owner == null ? null : owner.Name));
} finally {
Debug.Unindent();
}
Monitor.Enter(o);
}
#else
// Acquire the lock.
Monitor.Enter(o);
#endif
try {
#if DEBUG_LOCK_TRACE
t.TraceEnter();
#endif
return(cookie);
} catch {
// If there's an exception for any reason after the lock is acquired, make sure it's released.
cookie.Dispose();
throw;
}
}
public static Cookie Lock(object o) {
// Create the cookie which will release the lock.
#if DEBUG_LOCK_TRACE
LockTrace t;
lock(c_Traces.SyncRoot) {
t = GetTrace(o);
if(t == null)
c_Traces[new HashableWeakReference(o)] = t = new LockTrace(o);
}
Cookie cookie = new Cookie(o, t);
#else
Cookie cookie = new Cookie(o);
#endif
#if DEBUG_LOCK_CONTENTION
if(!Monitor.TryEnter(o)) {
Thread owner = t.Owner;
Debug.WriteLine(string.Format("Lock contention detected on object of type {0}:",
o.GetType().ToString()), t.GetType().ToString());
Debug.Indent();
try {
Debug.WriteLine(string.Format("Contending thread: {0}; Thread owning lock: {1}",
Thread.CurrentThread.Name, owner == null ? null : owner.Name));
} finally {
Debug.Unindent();
}
Monitor.Enter(o);
}
#else
// Acquire the lock.
Monitor.Enter(o);
#endif
try {
#if DEBUG_LOCK_TRACE
t.TraceEnter();
#endif
return cookie;
} catch {
// If there's an exception for any reason after the lock is acquired, make sure it's released.
cookie.Dispose();
throw;
}
}
internal Cookie(object o, LockTrace t)
{
this.t = t;
internal Cookie(object o, LockTrace t) {
this.t = t;
