10 int thread1_func(void *arg)
16 snprintf(buf, sizeof(buf), "thread1: %d %s\n", i, (char *)arg);
17 write(1, buf, strlen(buf));
23 int thread2_func(void *arg)
28 snprintf(buf, sizeof(buf), "thread2: %d %s\n", i, (char *)arg);
29 write(1, buf, strlen(buf));
35 #define STACK_SIZE 16384
39 uint8_t *stack1, *stack2;
40 int pid1, pid2, status1, status2;
42 stack1 = malloc(STACK_SIZE);
43 pid1 = clone(thread1_func, stack1 + STACK_SIZE,
44 CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello1");
46 stack2 = malloc(STACK_SIZE);
47 pid2 = clone(thread2_func, stack2 + STACK_SIZE,
48 CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, "hello2");
50 while (waitpid(pid1, &status1, 0) != pid1);
51 while (waitpid(pid2, &status2, 0) != pid2);
52 printf("status1=0x%x\n", status1);
53 printf("status2=0x%x\n", status2);
54 printf("End of clone test.\n");
57 int main(int argc, char **argv)