31 lines
1,003 B
XML
31 lines
1,003 B
XML
<?xml version="1.0" encoding="UTF-8" ?>
|
|
<class name="Semaphore" inherits="Reference" category="Core" version="3.1-dev">
|
|
<brief_description>
|
|
A synchronization Semaphore.
|
|
</brief_description>
|
|
<description>
|
|
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].
|
|
</description>
|
|
<tutorials>
|
|
</tutorials>
|
|
<demos>
|
|
</demos>
|
|
<methods>
|
|
<method name="post">
|
|
<return type="int" enum="Error">
|
|
</return>
|
|
<description>
|
|
Lowers the [code]Semaphore[/code], allowing one more thread in. Returns [OK] on success, [ERR_BUSY] otherwise.
|
|
</description>
|
|
</method>
|
|
<method name="wait">
|
|
<return type="int" enum="Error">
|
|
</return>
|
|
<description>
|
|
Tries to wait for the [code]Semaphore[/code], if its value is zero, blocks until non-zero. Returns [OK] on success, [ERR_BUSY] otherwise.
|
|
</description>
|
|
</method>
|
|
</methods>
|
|
<constants>
|
|
</constants>
|
|
</class>
|