public void AbortOrKillThreadWithMessagePump(bool kill)
{
using (var isThreadAboutToWait = new ManualResetEvent(false))
{
var nativeId = 0;
var thread = new Thread(() =>
{
nativeId = ThreadUtility.GetCurrentThreadNativeId();
isThreadAboutToWait.Set();
while (true)
{
WaitMessage();
}
});
thread.Start();
isThreadAboutToWait.WaitOne();
Thread.Sleep(1);
if (kill)
{
ThreadUtility.Kill(thread, nativeId);
}
else
{
ThreadUtility.Abort(thread, nativeId);
}
Assert.That(thread.Join(1000), "Native message pump was not able to be interrupted to enable a managed thread abort.");
}
}
public void AbortOrKillThreadWithMessagePump(bool kill)
{
using (var isThreadAboutToWait = new ManualResetEvent(false))
{
var nativeId = 0;
var thread = new Thread(() =>
{
nativeId = ThreadUtility.GetCurrentThreadNativeId();
isThreadAboutToWait.Set();
while (true)
{
WaitMessage();
}
});
thread.Start();
isThreadAboutToWait.WaitOne();
Thread.Sleep(1);
if (kill)
{
ThreadUtility.Kill(thread, nativeId);
}
else
{
ThreadUtility.Abort(thread, nativeId);
}
thread.Join();
}
}
public void AbortOrKillThreadWithMessagePump(bool kill)
{
using (var isThreadAboutToWait = new ManualResetEventSlim())
{
var nativeId = 0;
var thread = new Thread(() =>
{
nativeId = ThreadUtility.GetCurrentThreadNativeId();
isThreadAboutToWait.Set();
while (true)
{
WaitMessage();
}
});
thread.Start();
isThreadAboutToWait.Wait();
Thread.Sleep(1);
if (kill)
{
ThreadUtility.Kill(thread, nativeId);
}
else
{
ThreadUtility.Abort(thread, nativeId);
}
// When not under CPU load, we expect the thread to take between 100 and 200 ms to abort.
// However we get spurious failures in CI if we only wait 1000 ms.
// Using AbortOrKillThreadWithMessagePump_StressTest (times: 1000, maxParallelism: 20),
// I measured timer callbacks to be firing around ten times later than the 100 ms requested.
// All this number does is manage how long we can tolerate waiting for a build if a bug
// is introduced and the thread never aborts.
const int waitTime = 15_000;
Assert.That(thread.Join(waitTime), "Native message pump was not able to be interrupted to enable a managed thread abort.");
}
}