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<?xml version="1.0" encoding="UTF-8" ?>
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<class name= "Thread" inherits= "Reference" category= "Core" version= "3.1-dev" >
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<brief_description >
A unit of execution in a process.
</brief_description>
<description >
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A unit of execution in a process. Can run methods on [Object]s simultaneously. The use of synchronization via [Mutex], [Semaphore] is advised if working with shared objects.
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</description>
<tutorials >
</tutorials>
<demos >
</demos>
<methods >
<method name= "get_id" qualifiers= "const" >
<return type= "String" >
</return>
<description >
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Returns the current [code]Thread[/code]s id, uniquely identifying it among all threads.
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</description>
</method>
<method name= "is_active" qualifiers= "const" >
<return type= "bool" >
</return>
<description >
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Returns true if this [code]Thread[/code] is currently active. An active [code]Thread[/code] cannot start work on a new method but can be joined with [method wait_to_finish].
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</description>
</method>
<method name= "start" >
<return type= "int" enum= "Error" >
</return>
<argument index= "0" name= "instance" type= "Object" >
</argument>
<argument index= "1" name= "method" type= "String" >
</argument>
<argument index= "2" name= "userdata" type= "Variant" default= "null" >
</argument>
<argument index= "3" name= "priority" type= "int" default= "1" >
</argument>
<description >
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Starts a new [code]Thread[/code] that runs "method" on object "instance" with "userdata" passed as an argument. The "priority" of the [code]Thread[/code] can be changed by passing a PRIORITY_* enum.
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Returns OK on success, or ERR_CANT_CREATE on failure.
</description>
</method>
<method name= "wait_to_finish" >
<return type= "Variant" >
</return>
<description >
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Joins the [code]Thread[/code] and waits for it to finish. Returns what the method called returned.
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</description>
</method>
</methods>
<constants >
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<constant name= "PRIORITY_LOW" value= "0" enum= "Priority" >
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</constant>
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<constant name= "PRIORITY_NORMAL" value= "1" enum= "Priority" >
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</constant>
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<constant name= "PRIORITY_HIGH" value= "2" enum= "Priority" >
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</constant>
</constants>
</class>