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[stable27] fix semaphore unguarding #41289

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merged 1 commit into from Nov 6, 2023
Merged

[stable27] fix semaphore unguarding #41289

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7 changes: 0 additions & 7 deletions build/psalm-baseline.xml
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Expand Up @@ -3164,15 +3164,8 @@
<file src="lib/private/Preview/Generator.php">
<InvalidArgument>
<code>$maxPreviewImage</code>
<code>$semId</code>
<code>IPreview::EVENT</code>
</InvalidArgument>
<InvalidReturnStatement>
<code>$sem</code>
</InvalidReturnStatement>
<InvalidReturnType>
<code>false|resource</code>
</InvalidReturnType>
<MismatchingDocblockParamType>
<code>ISimpleFile</code>
</MismatchingDocblockParamType>
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8 changes: 4 additions & 4 deletions lib/private/Preview/Generator.php
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Expand Up @@ -227,7 +227,7 @@ public function generatePreviews(File $file, array $specifications, $mimeType =
*
* @param int $semId
* @param int $concurrency
* @return false|resource the semaphore on success or false on failure
* @return false|\SysvSemaphore the semaphore on success or false on failure
*/
public static function guardWithSemaphore(int $semId, int $concurrency) {
if (!extension_loaded('sysvsem')) {
Expand All @@ -246,11 +246,11 @@ public static function guardWithSemaphore(int $semId, int $concurrency) {
/**
* Releases the semaphore acquired from {@see Generator::guardWithSemaphore()}.
*
* @param resource|bool $semId the semaphore identifier returned by guardWithSemaphore
* @param false|\SysvSemaphore $semId the semaphore identifier returned by guardWithSemaphore
* @return bool
*/
public static function unguardWithSemaphore($semId): bool {
if (!is_resource($semId) || !extension_loaded('sysvsem')) {
public static function unguardWithSemaphore(false|\SysvSemaphore $semId): bool {
if ($semId === false || !($semId instanceof \SysvSemaphore)) {
return false;
}
return sem_release($semId);
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