generic-library/poco
1
0
Fork 0
mirror of https://github.com/pocoproject/poco.git synced 2025-12-08 12:19:21 +01:00
Code Issues Projects Releases Wiki Activity

fix(AsyncNotificationCenter): hang on stop() #5059

Browse Source
This commit is contained in:
Alex Fabijanic
2025-11-06 20:39:34 +01:00
committed by Matej Kenda
parent 7d08a85e5d
commit 1284103b98
2 changed files with 10 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
Foundation/include/Poco/AsyncNotificationCenter.h
View File

@@ -120,6 +120,11 @@ private:
using Adapter = RunnableAdapter<AsyncNotificationCenter>;
class ShutdownNotification: public Notification
/// Internal notification used to signal the dequeue loop to stop.
{
};
const AsyncMode _mode { AsyncMode::ENQUEUE };
// Async enqueue for notifications

6
Foundation/src/AsyncNotificationCenter.cpp
View File

@@ -180,6 +180,7 @@ void AsyncNotificationCenter::stop()
{
if (_enqueueThreadStarted.exchange(false))
{
_nq.enqueueUrgentNotification(new ShutdownNotification);
_nq.wakeUpAll();
while (!_enqueueThreadDone) Thread::sleep(100);
_enqueueThread.join();
@@ -207,8 +208,11 @@ void AsyncNotificationCenter::dequeue()
Notification::Ptr pNf;
_enqueueThreadStarted = true;
_enqueueThreadDone = false;
while ((pNf = _nq.waitDequeueNotification()))
while (true)
{
pNf = _nq.waitDequeueNotification();
if (!pNf) break;
if (pNf.cast<ShutdownNotification>()) break;
try
{
notifyObservers(pNf);