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Add the argument checks to Unix-part of Mutex.OpenExistingWorker #59634

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Merged
jkotas merged 1 commit into from
Sep 27, 2021
Merged

Add the argument checks to Unix-part of Mutex.OpenExistingWorker #59634

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10 changes: 10 additions & 0 deletions src/libraries/System.Private.CoreLib/src/System/Threading/Mutex.Unix.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,16 @@ private void CreateMutexCore(bool initiallyOwned, string? name, out bool created

private static OpenExistingResult OpenExistingWorker(string name, out Mutex? result)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}

if (name.Length == 0)
{
throw new ArgumentException(SR.Argument_EmptyName, nameof(name));
}

OpenExistingResult status = WaitSubsystem.OpenNamedMutex(name, out SafeWaitHandle? safeWaitHandle);
result = status == OpenExistingResult.Success ? new Mutex(safeWaitHandle!) : null;
return status;
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