##// END OF EJS Templates
implab » ImplabNet
RSS
Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler...
Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler Any unhandled OperationCanceledException will cause the promise cancelation
cin - - Load All Authors

File last commit:

r139:041b77711262 v2
r187:dd4a3590f9c6 ref20160224
Show More
BlockingQueue.cs
101 lines | 3.1 KiB | text/x-csharp | CSharpLexer
/ Implab / Parallels / BlockingQueue.cs
History | Annotation | Raw |Copy content |Copy permalink
using System;
using System.Threading;
namespace Implab.Parallels {
public class BlockingQueue<T> : AsyncQueue<T> {
readonly object m_lock = new object();
public override void Enqueue(T value) {
base.Enqueue(value);
lock (m_lock)
Monitor.Pulse(m_lock);
}
public override void EnqueueRange(T[] data, int offset, int length) {
base.EnqueueRange(data, offset, length);
if (length > 1)
lock (m_lock)
Monitor.PulseAll(m_lock);
else
lock (m_lock)
Monitor.Pulse(m_lock);
}
public T GetItem(int timeout) {
T item;
if (!TryDequeue(out item)) {
var t1 = Environment.TickCount;
var dt = timeout;
lock (m_lock) {
while (!TryDequeue(out item)) {
if (!Monitor.Wait(m_lock, dt))
throw new TimeoutException();
if (timeout >= 0) {
dt = timeout - Environment.TickCount + t1;
if (dt < 0)
throw new TimeoutException();
}
}
}
}
return item;
}
public T GetItem() {
T item;
if (!TryDequeue(out item))
lock (m_lock) {
while (!TryDequeue(out item))
Monitor.Wait(m_lock);
}
return item;
}
public T[] GetRange(int max, int timeout) {
Safe.ArgumentInRange(max, 1, Int32.MaxValue, "max");
var buffer = new T[max];
int actual;
if (!TryDequeueRange(buffer, 0, max, out actual)) {
var t1 = Environment.TickCount;
var dt = timeout;
lock (m_lock) {
while (!TryDequeueRange(buffer, 0, max, out actual)) {
if (!Monitor.Wait(m_lock, dt))
throw new TimeoutException();
if (timeout >= 0) {
dt = timeout - Environment.TickCount + t1;
if (dt < 0)
throw new TimeoutException();
}
}
}
}
var data = new T[actual];
Array.Copy(buffer, data, actual);
return data;
}
public T[] GetRange(int max) {
Safe.ArgumentInRange(max, 1, Int32.MaxValue, "max");
var buffer = new T[max];
int actual;
if (!TryDequeueRange(buffer, 0, max, out actual))
lock (m_lock)
while (!TryDequeueRange(buffer, 0, max, out actual))
Monitor.Wait(m_lock);
var data = new T[actual];
Array.Copy(buffer, data, actual);
return data;
}
}
}