HaxeFoundation.haxe/std/hl/vm/Mutex.hx

/*
 * Copyright (C)2005-2018 Haxe Foundation
 *
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 */
package hl.vm;

/**
	Creates a mutex, which can be used to acquire a temporary lock 
	to access some ressource. The main difference with a lock is 
	that a mutex must always be released by the owner thread.
*/
abstract Mutex(hl.Abstract<"hl_mutex">) {

	/**
		Creates a mutex.
	*/
	public function new() {
		this = alloc(true);
	}

	/**
		The current thread acquire the mutex or wait if not available.
		The same thread can acquire several times the same mutex but 
		must release it as many times it has been acquired.
	*/
	@:hlNative("std","mutex_acquire") public function acquire() {
	}

	/**
		Try to acquire the mutex, returns true if acquire or false 
		if it's already locked by another thread.
	*/
	@:hlNative("std","mutex_try_acquire") public function tryAcquire() : Bool {
		return false;
	}

	/**
		Release a mutex that has been acquired by the current thread. 
		The behavior is undefined if the current thread does not own
		the mutex.
	*/
	@:hlNative("std","mutex_release") public function release() {
	}

	@:hlNative("std","mutex_alloc") public static function alloc( b : Bool ) {
		return null;
	}
	
}