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Fixed potential deadlock in buffer when a past crash has happened

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This commit is contained in:
Thulinma 2016-07-28 20:41:44 +02:00
parent 0232417512
commit 4dc3d22d12
1 changed files with 4 additions and 0 deletions
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4
lib/shared_memory.cpp
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@ -766,6 +766,10 @@ namespace IPC {
DEBUG_MSG(DLVL_FAIL, "Creating semaphore failed: %s", strerror(errno)); DEBUG_MSG(DLVL_FAIL, "Creating semaphore failed: %s", strerror(errno));
return; return;
} }
if (!mySemaphore.tryWaitOneSecond()){
WARN_MSG("Force unlocking sharedServer semaphore to prevent deadlock");
}
mySemaphore.post();
semGuard tmpGuard(&mySemaphore); semGuard tmpGuard(&mySemaphore);
newPage(); newPage();
} }