ui/winui/condvar.cpp

branch
newapi
changeset 373
2eede3d98aba
child 376
5578494147cb
equal deleted inserted replaced
372:4657ec1229f2 373:2eede3d98aba
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2024 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "pch.h"
30 #include "condvar.h"
31
32
33
34 UiCondVar* ui_condvar_create(void) {
35 UiWinCondVar *var = (UiWinCondVar*)malloc(sizeof(UiWinCondVar));
36 var->var.data = NULL;
37 var->var.intdata = 0;
38 var->set = 0;
39 return (UiCondVar*)var;
40 }
41
42 void ui_condvar_wait(UiCondVar *var) {
43 UiWinCondVar *p = (UiWinCondVar*)var;
44 p->mutex.lock();
45 if(!p->set) {
46 std::unique_lock<std::mutex> lock(p->mutex);
47 p->cond.wait(lock);
48 }
49 p->set = 0;
50 p->mutex.unlock();
51
52 }
53
54 void ui_condvar_signal(UiCondVar *var, void *data, int intdata) {
55 UiWinCondVar *p = (UiWinCondVar*)var;
56 p->mutex.lock();
57 p->var.data = data;
58 p->var.intdata = intdata;
59 p->set = 1;
60 p->cond.notify_one();
61 p->mutex.unlock();
62 }
63
64 void ui_condvar_destroy(UiCondVar *var) {
65 UiWinCondVar *p = (UiWinCondVar*)var;
66 free(p);
67
68 }

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