tests/tcg/testthread.c

   1 #include <assert.h>
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4 #include <string.h>
   5 #include <signal.h>
   6 #include <unistd.h>
   7 #include <inttypes.h>
   8 #include <pthread.h>
   9 #include <sys/wait.h>
  10 #include <sched.h>
  11
  12 void checked_write(int fd, const void *buf, size_t count)
  13 {
  14     ssize_t rc = write(fd, buf, count);
  15     assert(rc == count);
  16 }
  17
  18 void *thread1_func(void *arg)
  19 {
  20     int i;
  21     char buf[512];
  22
  23     for(i=0;i<10;i++) {
  24         snprintf(buf, sizeof(buf), "thread1: %d %s\n", i, (char *)arg);
  25         checked_write(1, buf, strlen(buf));
  26         usleep(100 * 1000);
  27     }
  28     return NULL;
  29 }
  30
  31 void *thread2_func(void *arg)
  32 {
  33     int i;
  34     char buf[512];
  35     for(i=0;i<20;i++) {
  36         snprintf(buf, sizeof(buf), "thread2: %d %s\n", i, (char *)arg);
  37         checked_write(1, buf, strlen(buf));
  38         usleep(150 * 1000);
  39     }
  40     return NULL;
  41 }
  42
  43 void test_pthread(void)
  44 {
  45     pthread_t tid1, tid2;
  46
  47     pthread_create(&tid1, NULL, thread1_func, "hello1");
  48     pthread_create(&tid2, NULL, thread2_func, "hello2");
  49     pthread_join(tid1, NULL);
  50     pthread_join(tid2, NULL);
  51     printf("End of pthread test.\n");
  52 }
  53
  54 int main(int argc, char **argv)
  55 {
  56     test_pthread();
  57     return 0;
  58 }