1 #include <stdlib.h>

     2 #include <stdio.h>

     3 #include <string.h>

     4 #include <signal.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 *thread1_func(void *arg)

    12 {

    13     int i;

    14     char buf[512];

    15 

    16     for(i=0;i<10;i++) {

    17         snprintf(buf, sizeof(buf), "thread1: %d %s\n", i, (char *)arg);

    18         write(1, buf, strlen(buf));

    19         usleep(100 * 1000);

    20     }

    21     return NULL;

    22 }

    23 

    24 void *thread2_func(void *arg)

    25 {

    26     int i;

    27     char buf[512];

    28     for(i=0;i<20;i++) {

    29         snprintf(buf, sizeof(buf), "thread2: %d %s\n", i, (char *)arg);

    30         write(1, buf, strlen(buf));

    31         usleep(150 * 1000);

    32     }

    33     return NULL;

    34 }

    35 

    36 void test_pthread(void)

    37 {

    38     pthread_t tid1, tid2;

    39 

    40     pthread_create(&tid1, NULL, thread1_func, "hello1");

    41     pthread_create(&tid2, NULL, thread2_func, "hello2");

    42     pthread_join(tid1, NULL);

    43     pthread_join(tid2, NULL);

    44     printf("End of pthread test.\n");

    45 }

    46 

    47 int main(int argc, char **argv)

    48 {

    49     test_pthread();

    50     return 0;

    51 }