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48 lines
1.5 KiB
ReStructuredText
48 lines
1.5 KiB
ReStructuredText
.. Generated automatically by doc/tools/makerst.py in Godot's source tree.
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.. DO NOT EDIT THIS FILE, but the Semaphore.xml source instead.
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.. The source is found in doc/classes or modules/<name>/doc_classes.
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.. _class_Semaphore:
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Semaphore
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=========
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**Inherits:** :ref:`Reference<class_Reference>` **<** :ref:`Object<class_Object>`
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**Category:** Core
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Brief Description
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-----------------
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A synchronization Semaphore.
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Methods
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-------
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+----------------------------------------+-----------------------------------------------+
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| :ref:`Error<enum_@GlobalScope_Error>` | :ref:`post<class_Semaphore_post>` **(** **)** |
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+----------------------------------------+-----------------------------------------------+
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| :ref:`Error<enum_@GlobalScope_Error>` | :ref:`wait<class_Semaphore_wait>` **(** **)** |
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+----------------------------------------+-----------------------------------------------+
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Description
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-----------
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A synchronization Semaphore. Element used to synchronize multiple :ref:`Thread<class_Thread>`\ s. Initialized to zero on creation. Be careful to avoid deadlocks. For a binary version, see :ref:`Mutex<class_Mutex>`.
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Method Descriptions
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-------------------
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.. _class_Semaphore_post:
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- :ref:`Error<enum_@GlobalScope_Error>` **post** **(** **)**
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Lowers the ``Semaphore``, allowing one more thread in. Returns OK on success, ERR_BUSY otherwise.
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.. _class_Semaphore_wait:
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- :ref:`Error<enum_@GlobalScope_Error>` **wait** **(** **)**
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Tries to wait for the ``Semaphore``, if its value is zero, blocks until non-zero. Returns OK on success, ERR_BUSY otherwise.
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