File: function_pthread.cpp

package info (click to toggle)
android-platform-system-extras 10.0.0%2Br36%2Bds-2
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 21,588 kB
  • sloc: cpp: 45,171; python: 10,047; ansic: 8,169; sh: 4,029; java: 2,239; javascript: 1,752; xml: 991; asm: 169; makefile: 13
file content (35 lines) | stat: -rw-r--r-- 748 bytes parent folder | download | duplicates (3)
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 <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

constexpr int LOOP_COUNT = 100000000;

void* ChildThreadFunction(void*) {
  for (volatile int i = 0; i < LOOP_COUNT; ++i) {
  }
  return nullptr;
}

void MainThreadFunction() {
  for (volatile int i = 0; i < LOOP_COUNT; ++i) {
  }
}

int main() {
  while (true) {
    pthread_t thread;
    int ret = pthread_create(&thread, nullptr, ChildThreadFunction, nullptr);
    if (ret != 0) {
      fprintf(stderr, "pthread_create failed: %s\n", strerror(ret));
      exit(1);
    }
    MainThreadFunction();
    ret = pthread_join(thread, nullptr);
    if (ret != 0) {
      fprintf(stderr, "pthread_join failed: %s\n", strerror(ret));
      exit(1);
    }
  }
  return 0;
}