/// <summary>
/// Lock write lock.
/// </summary>
private void AcquireWriteLock()
{
if (ThreadLogUtil.ENABLED_TRACE) {
ThreadLogUtil.TraceLock(ACQUIRE_TEXT + " write " + _name, Lock);
}
_writerLock = Lock.WriteLock.Acquire();
if (ThreadLogUtil.ENABLED_TRACE) {
ThreadLogUtil.TraceLock(ACQUIRED_TEXT + " write " + _name, Lock);
}
}
/// <summary>
/// Lock read lock.
/// </summary>
public void AcquireReadLock()
{
if (ThreadLogUtil.ENABLED_TRACE) {
ThreadLogUtil.TraceLock(ACQUIRE_TEXT + " read " + _name, Lock);
}
_readerLock = Lock.ReadLock.Acquire();
if (ThreadLogUtil.ENABLED_TRACE) {
ThreadLogUtil.TraceLock(ACQUIRED_TEXT + " read " + _name, Lock);
}
}
/// <summary>
/// Unlock read lock.
/// </summary>
public void ReleaseReadLock()
{
if (ThreadLogUtil.ENABLED_TRACE) {
ThreadLogUtil.TraceLock(RELEASE_TEXT + " read " + _name, Lock);
}
_readerLock.Dispose();
_readerLock = null;
if (ThreadLogUtil.ENABLED_TRACE) {
ThreadLogUtil.TraceLock(RELEASED_TEXT + " read " + _name, Lock);
}
}
/// <summary>
/// Try write lock with timeout, returning an indicator whether the lock was acquired or not.
/// </summary>
/// <param name="msec">number of milliseconds to wait for lock</param>
/// <returns>indicator whether the lock could be acquired or not</returns>
public bool TryWriteLock(long msec)
{
if (ThreadLogUtil.ENABLED_TRACE) {
ThreadLogUtil.TraceLock(TRY_TEXT + " write " + _name, Lock);
}
try {
_writerLock = Lock.WriteLock.Acquire(msec);
}
catch (ThreadInterruptedException) {
Log.Warn("Lock wait interrupted");
}
if (ThreadLogUtil.ENABLED_TRACE) {
ThreadLogUtil.TraceLock(TRY_TEXT + " write " + _name, Lock);
}
return true;
}