File: spin_wait.cpp

package info (click to toggle)
mir 2.25.2-2
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 22,080 kB
  • sloc: cpp: 192,777; xml: 13,784; ansic: 8,207; python: 1,304; sh: 794; makefile: 258
file content (34 lines) | stat: -rw-r--r-- 1,083 bytes parent folder | download
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
/*
 * Copyright © Canonical Ltd.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 or 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <mir/test/spin_wait.h>

#include <thread>

bool mir::test::spin_wait_for_condition_or_timeout(
    std::function<bool()> const& condition,
    std::chrono::milliseconds timeout,
    std::chrono::milliseconds spin_period)
{
    auto const end = std::chrono::steady_clock::now() + timeout;

    while (std::chrono::steady_clock::now() < end && !condition())
    {
        std::this_thread::sleep_for(spin_period);
    }

    return condition();
}