Update Files

Kha/Tools/linux_x64/std/sys/thread/Mutex.hx

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+/*
+ * Copyright (C)2005-2019 Haxe Foundation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+package sys.thread;
+
+#if (!target.threaded)
+#error "This class is not available on this target"
+#end
+
+/**
+	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.
+**/
+extern class Mutex {
+	/**
+		Creates a mutex.
+	**/
+	function new():Void;
+
+	/**
+		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.
+	**/
+	function acquire():Void;
+
+	/**
+		Try to acquire the mutex, returns true if acquire or false
+		if it's already locked by another thread.
+	**/
+	function tryAcquire():Bool;
+
+	/**
+		Release a mutex that has been acquired by the current thread.
+		The behavior is undefined if the current thread does not own
+		the mutex.
+	**/
+	function release():Void;
+}