#include <pthread.h>
int g_watchme = 0;
void *thread_func(void *arg) {
/* watchpoint trigger from subthread */
g_watchme = 2;
return 0;
}
int main() {
pthread_t thread;
if (pthread_create(&thread, 0, thread_func, 0))
return 1;
/* watchpoint trigger from main thread */
g_watchme = 1;
if (pthread_join(thread, 0))
return 2;
return 0;
}