/* to accidentally leave a RESTART signal pending, thus causing us to */
/* continue prematurely in a future round. */
+ /* Tell the thread that wants to start the world that this */
+ /* thread has been started. Note that sem_post() is */
+ /* the only async-signal-safe primitive in LinuxThreads. */
+ sem_post(&GC_suspend_ack_sem);
+
+
#if DEBUG_THREADS
GC_printf1("Continuing 0x%lx\n", my_thread);
#endif
register GC_thread p;
register int n_live_threads = 0;
register int result;
+ int code;
# if DEBUG_THREADS
GC_printf0("World starting\n");
}
}
}
+
+ #if DEBUG_THREADS
+ GC_printf0 ("All threads signaled");
+ #endif
+
+ for (i = 0; i < n_live_threads; i++) {
+ while (0 != (code = sem_wait(&GC_suspend_ack_sem))) {
+ if (errno != EINTR) {
+ GC_err_printf1("Sem_wait returned %ld\n", (unsigned long)code);
+ ABORT("sem_wait for handler failed");
+ }
+ }
+ }
+
#if DEBUG_THREADS
GC_printf0("World started\n");
#endif