| 1 | #include <errno.h> |
|---|---|
| 2 | #include <pthread.h> |
| 3 | #include <stdio.h> |
| 4 | #include <unistd.h> |
| 5 | |
| 6 | static unsigned int g_timeout = 1000000; |
| 7 | |
| 8 | extern int usleep(unsigned int); |
| 9 | |
| 10 | int function_to_call() { |
| 11 | |
| 12 | errno = 0; |
| 13 | while (1) { |
| 14 | int result = usleep(g_timeout); |
| 15 | if (errno != EINTR) |
| 16 | break; |
| 17 | } |
| 18 | |
| 19 | pthread_exit(retval: (void *)10); |
| 20 | |
| 21 | return 20; // Prevent warning |
| 22 | } |
| 23 | |
| 24 | void *exiting_thread_func(void *unused) { |
| 25 | function_to_call(); // Break here and cause the thread to exit |
| 26 | return NULL; |
| 27 | } |
| 28 | |
| 29 | int main() { |
| 30 | char *exit_ptr; |
| 31 | pthread_t exiting_thread; |
| 32 | |
| 33 | pthread_create(newthread: &exiting_thread, NULL, start_routine: exiting_thread_func, NULL); |
| 34 | |
| 35 | pthread_join(th: exiting_thread, thread_return: &exit_ptr); |
| 36 | int ret_val = (int)exit_ptr; |
| 37 | usleep(g_timeout * 4); // Make sure in the "run all threads" case |
| 38 | // that we don't run past our breakpoint. |
| 39 | return ret_val; // Break here to make sure the thread exited. |
| 40 | } |
| 41 |