1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
/*
* 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;
import python.lib.threading.Condition;
using python.internal.UBuiltins;
class Deque<T> {
var deque:NativeDeque<T>;
var lock:Condition;
public function new() {
deque = new NativeDeque<T>();
lock = new Condition();
}
public function add(i:T) {
lock.acquire();
deque.append(i);
lock.notify();
lock.release();
}
public function push(i:T) {
lock.acquire();
deque.appendleft(i);
lock.notify();
lock.release();
}
public function pop(block:Bool):Null<T> {
var ret = null;
lock.acquire();
if (block) {
lock.wait_for(() -> deque.bool());
ret = deque.popleft();
} else if (deque.bool()) {
ret = deque.popleft();
}
lock.release();
return ret;
}
}
@:pythonImport("collections", "deque")
@:native("deque")
private extern class NativeDeque<T> {
function new();
function append(x:T):Void;
function appendleft(x:T):Void;
function popleft():T;
}
|
