1 #include <pthread.h> 2 #include <stdio.h> 3 #include <unistd.h> 4 5 static void * thread1_func(void * arg)6thread1_func(void* arg) 7 { 8 printf("Thread 1 (arg=%d tid=%d) entered.\n", (unsigned)arg, gettid()); 9 return 0; 10 } 11 12 static void * thread2_func(void * arg)13thread2_func(void* arg) 14 { 15 printf("thread 2 (arg=%d tid=%d) entered.\n", (unsigned)arg, gettid()); 16 return 1; 17 } 18 19 main(void)20int main( void ) 21 { 22 pthread_t t1, t2; 23 24 pthread_create( &t1, NULL, thread1_func, (void *)1 ); 25 26 pthread_join(t1, NULL); 27 28 printf("OK\n"); 29 return 0; 30 } 31