blob: efddcd2df455b0cdd8c7d9f6d833563e0d7cb92d (
plain)
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
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
//! [0]
forever {
mutex.lock();
keyPressed.wait(&mutex);
do_something();
mutex.unlock();
}
//! [0]
//! [1]
forever {
getchar();
keyPressed.wakeAll();
}
//! [1]
//! [2]
forever {
mutex.lock();
keyPressed.wait(&mutex);
++count;
mutex.unlock();
do_something();
mutex.lock();
--count;
mutex.unlock();
}
//! [2]
//! [3]
forever {
getchar();
mutex.lock();
// Sleep until there are no busy worker threads
while (count > 0) {
mutex.unlock();
sleep(1);
mutex.lock();
}
keyPressed.wakeAll();
mutex.unlock();
}
//! [3]
|
