File: wait-a-while.cpp

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (35 lines) | stat: -rw-r--r-- 691 bytes parent folder | download | duplicates (35)
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
#include <stdio.h>
#include <stdint.h>

#include <chrono>
#include <thread>


int
wait_a_while (int microseconds)
{
    int num_times = 0;
    auto end_time = std::chrono::system_clock::now() + std::chrono::microseconds(microseconds);

    while (1)
    {
        num_times++;
        auto wait_time = end_time - std::chrono::system_clock::now();

        std::this_thread::sleep_for(wait_time);
        if (std::chrono::system_clock::now() > end_time)
            break;
    }
    return num_times;
}

int
main (int argc, char **argv)
{
    printf ("stop here in main.\n");
    int num_times = wait_a_while (argc * 1000);
    printf ("Done, took %d times.\n", num_times);

    return 0;

}