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RakLibServer: fixed deadlock on thread crash

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synchronized block -> getCrashInfo -> join -> synchronized on the same
context on the child thread -> deadlock

instead we check for isTerminated and then get the crash info outside
of the synchronized block.
This commit is contained in:
Dylan K. Taylor
2025-08-06 15:48:29 +01:00
parent a83c62a4a2
commit 89d18f929f
2 changed files with 10 additions and 8 deletions
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16
src/network/mcpe/raklib/RakLibServer.php
View File

@ -68,17 +68,17 @@ class RakLibServer extends Thread{
public function startAndWait(int $options = NativeThread::INHERIT_NONE) : void{
$this->start($options);
$this->synchronized(function() : void{
while(!$this->ready && $this->getCrashInfo() === null){
while(!$this->ready && !$this->isTerminated()){
$this->wait();
}
$crashInfo = $this->getCrashInfo();
if($crashInfo !== null){
if($crashInfo->getType() === SocketException::class){
throw new SocketException($crashInfo->getMessage());
}
throw new ThreadCrashException("RakLib failed to start", $crashInfo);
}
});
$crashInfo = $this->getCrashInfo();
if($crashInfo !== null){
if($crashInfo->getType() === SocketException::class){
throw new SocketException($crashInfo->getMessage());
}
throw new ThreadCrashException("RakLib failed to start", $crashInfo);
}
}
protected function onRun() : void{