32 lines
1.0 KiB
XML
32 lines
1.0 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="Semaphore" inherits="Reference" category="Core" version="3.1">
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<brief_description>
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A synchronization Semaphore.
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</brief_description>
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<description>
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A synchronization Semaphore. Element used to synchronize multiple [Thread]s. Initialized to zero on creation. Be careful to avoid deadlocks. For a binary version, see [Mutex].
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</description>
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<tutorials>
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</tutorials>
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<demos>
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</demos>
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<methods>
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<method name="post">
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<return type="int" enum="Error">
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</return>
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<description>
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Lowers the [code]Semaphore[/code], allowing one more thread in. Returns [code]OK[/code] on success, [code]ERR_BUSY[/code] otherwise.
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</description>
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</method>
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<method name="wait">
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<return type="int" enum="Error">
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</return>
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<description>
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Tries to wait for the [code]Semaphore[/code], if its value is zero, blocks until non-zero. Returns [code]OK[/code] on success, [code]ERR_BUSY[/code] otherwise.
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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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