pthread_descr req_thread; /* Thread doing the request */
enum { /* Request kind */
REQ_CREATE, REQ_FREE, REQ_PROCESS_EXIT, REQ_MAIN_THREAD_EXIT,
- REQ_POST, REQ_DEBUG, REQ_KICK
+ REQ_POST, REQ_DEBUG, REQ_KICK, REQ_FOR_EACH_THREAD
} req_kind;
union { /* Arguments for request */
struct { /* For REQ_CREATE: */
int code; /* exit status */
} exit;
void * post; /* For REQ_POST: the semaphore */
+ struct { /* For REQ_FOR_EACH_THREAD: callback */
+ void (*fn)(void *, pthread_descr);
+ void *arg;
+ } for_each;
} req_args;
};
int report_events,
td_thr_events_t *event_maskp);
static void pthread_handle_free(pthread_t th_id);
-static void pthread_handle_exit(pthread_descr issuing_thread, int exitcode);
+static void pthread_handle_exit(pthread_descr issuing_thread, int exitcode)
+ __attribute__ ((noreturn));
static void pthread_reap_children(void);
static void pthread_kill_all_threads(int sig, int main_thread_also);
+static void pthread_for_each_thread(void *arg,
+ void (*fn)(void *, pthread_descr));
/* The server thread managing requests for thread creation and termination */
-int __pthread_manager(void *arg)
+int
+__attribute__ ((noreturn))
+__pthread_manager(void *arg)
{
int reqfd = (int) (long int) arg;
#ifdef USE_SELECT
/* This is just a prod to get the manager to reap some
threads right away, avoiding a potential delay at shutdown. */
break;
+ case REQ_FOR_EACH_THREAD:
+ pthread_for_each_thread(request.req_args.for_each.arg,
+ request.req_args.for_each.fn);
+ restart(request.req_thread);
+ break;
}
}
}
}
}
+static void pthread_for_each_thread(void *arg,
+ void (*fn)(void *, pthread_descr))
+{
+ pthread_descr th;
+
+ for (th = __pthread_main_thread->p_nextlive;
+ th != __pthread_main_thread;
+ th = th->p_nextlive) {
+ fn(arg, th);
+ }
+
+ fn(arg, __pthread_main_thread);
+}
+
/* Process-wide exit() */
static void pthread_handle_exit(pthread_descr issuing_thread, int exitcode)