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2025-01-22 16:18:30 +01:00
/*
* 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
/**
A Deque is a double-ended queue with a `pop` method that can block until
an element is available. It is commonly used to synchronize threads.
*/
@:coreApi extern class Deque<T> {
/**
Create a new Deque instance which is initially empty.
**/
function new():Void;
/**
Adds an element at the end of `this` Deque.
(Java,Jvm): throws `java.lang.NullPointerException` if `i` is `null`.
**/
function add(i:T):Void;
/**
Adds an element at the front of `this` Deque.
(Java,Jvm): throws `java.lang.NullPointerException` if `i` is `null`.
**/
function push(i:T):Void;
/**
Tries to retrieve an element from the front of `this` Deque.
If an element is available, it is removed from the queue and returned.
If no element is available and `block` is `false`, `null` is returned.
Otherwise, execution blocks until an element is available and returns it.
**/
function pop(block:Bool):Null<T>;
}