tests/tcg/testthread.c

   1 #include <assert.h>
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4 #include <string.h>
   5 #include <unistd.h>
   6 #include <inttypes.h>
   7 #include <pthread.h>
   8 #include <sys/wait.h>
   9 #include <sched.h>
  10
  11 void checked_write(int fd, const void *buf, size_t count)
  12 {
  13     ssize_t rc = write(fd, buf, count);
  14     assert(rc == count);
  15 }
  16
  17 void *thread1_func(void *arg)
  18 {
  19     int i;
  20     char buf[512];
  21
  22     for(i=0;i<10;i++) {
  23         snprintf(buf, sizeof(buf), "thread1: %d %s\n", i, (char *)arg);
  24         checked_write(1, buf, strlen(buf));
  25         usleep(100 * 1000);
  26     }
  27     return NULL;
  28 }
  29
  30 void *thread2_func(void *arg)
  31 {
  32     int i;
  33     char buf[512];
  34     for(i=0;i<20;i++) {
  35         snprintf(buf, sizeof(buf), "thread2: %d %s\n", i, (char *)arg);
  36         checked_write(1, buf, strlen(buf));
  37         usleep(150 * 1000);
  38     }
  39     return NULL;
  40 }
  41
  42 void test_pthread(void)
  43 {
  44     pthread_t tid1, tid2;
  45
  46     pthread_create(&tid1, NULL, thread1_func, "hello1");
  47     pthread_create(&tid2, NULL, thread2_func, "hello2");
  48     pthread_join(tid1, NULL);
  49     pthread_join(tid2, NULL);
  50     printf("End of pthread test.\n");
  51 }
  52
  53 int main(int argc, char **argv)
  54 {
  55     test_pthread();
  56     return 0;
  57 }