1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <pthread.h>
4 #include <unistd.h>
5
6 #define NUM_THREADS 8
7
8 void *PrintHello(void *args)
9 {
10 int thread_arg;
11 sleep(1);
12 thread_arg = (int)(*((int*)args));
13 printf("Hello from thread %d\n", thread_arg);
14 return NULL;
15 }
16
17 int main(void)
18 {
19 int rc,t;
20 pthread_t thread[NUM_THREADS];
21
22 for( t = 0; t < NUM_THREADS; t++)
23 {
24 printf("Creating thread %d\n", t);
25 rc = pthread_create(&thread[t], NULL, PrintHello, &t);
26 if (rc)
27 {
28 printf("ERROR; return code is %d\n", rc);
29 return EXIT_FAILURE;
30 }
31 }
32 sleep(5);
33 for( t = 0; t < NUM_THREADS; t++)
34 pthread_join(thread[t], NULL);
35 return EXIT_SUCCESS;
36 }
