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Merge pull request #46625 from mbrlabs/docs-mutex-lock

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Documented that mutexes are implemented recursively
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Max Hilbrunner 2021-09-16 02:20:00 +02:00 committed by GitHub
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doc/classes/Mutex.xml
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@ -14,18 +14,21 @@
<return type="void" />
<description>
Locks this [Mutex], blocks until it is unlocked by the current owner.
[b]Note:[/b] This function returns without blocking if the thread already has ownership of the mutex.
</description>
</method>
<method name="try_lock">
<return type="int" enum="Error" />
<description>
Tries locking this [Mutex], but does not block. Returns [constant OK] on success, [constant ERR_BUSY] otherwise.
[b]Note:[/b] This function returns [constant OK] if the thread already has ownership of the mutex.
</description>
</method>
<method name="unlock">
<return type="void" />
<description>
Unlocks this [Mutex], leaving it to other threads.
[b]Note:[/b] If a thread called [method lock] or [method try_lock] multiple times while already having ownership of the mutex, it must also call [method unlock] the same number of times in order to unlock it correctly.
</description>
</method>
</methods>