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Documented that mutexes are implemented recursively #46625

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Sep 16, 2021
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Documented that mutexes are implemented recursively #46625

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3 changes: 3 additions & 0 deletions doc/classes/Mutex.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -15,20 +15,23 @@
</return>
<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">
</return>
<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">
</return>
<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>
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