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37 lines
1.3 KiB
XML
37 lines
1.3 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="Mutex" inherits="Reference" version="4.0">
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<brief_description>
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A synchronization mutex (mutual exclusion).
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</brief_description>
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<description>
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A synchronization mutex (mutual exclusion). This is used to synchronize multiple [Thread]s, and is equivalent to a binary [Semaphore]. It guarantees that only one thread can ever acquire the lock at a time. A mutex can be used to protect a critical section; however, be careful to avoid deadlocks.
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</description>
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<tutorials>
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<link title="Using multiple threads">https://docs.godotengine.org/en/latest/tutorials/threads/using_multiple_threads.html</link>
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</tutorials>
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<methods>
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<method name="lock">
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<return type="void">
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</return>
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<description>
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Locks this [Mutex], blocks until it is unlocked by the current owner.
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</description>
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</method>
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<method name="try_lock">
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<return type="int" enum="Error">
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</return>
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<description>
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Tries locking this [Mutex], but does not block. Returns [constant OK] on success, [constant ERR_BUSY] otherwise.
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</description>
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</method>
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<method name="unlock">
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<return type="void">
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</return>
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<description>
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Unlocks this [Mutex], leaving it to other threads.
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</description>
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</method>
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</methods>
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<constants>
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</constants>
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</class>
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