From: Niels Provos <provos@gmail.com>
Date: Thu, 10 Apr 2003 19:14:03 +0000 (+0000)
Subject: if a timeout on the active list is rescheduled before it can execute it
X-Git-Tag: release-1.1b~104
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f9e0c44925d28fd719cd96b7b64927d5af4857a0;p=libevent

if a timeout on the active list is rescheduled before it can execute it
gets removed from the active list;  bug report from Jon Poland AT arbor.net


svn:r65
---

diff --git a/event.c b/event.c
index e31e49b6..a25d6e69 100644
--- a/event.c
+++ b/event.c
@@ -310,6 +310,22 @@ event_add(struct event *ev, struct timeval *tv)
 		if (ev->ev_flags & EVLIST_TIMEOUT)
 			event_queue_remove(ev, EVLIST_TIMEOUT);
 
+		/* Check if it is active due to a timeout.  Rescheduling
+		 * this timeout before the callback can be executed
+		 * removes it from the active list. */
+		if ((ev->ev_flags & EVLIST_ACTIVE) &&
+		    (ev->ev_res & EV_TIMEOUT)) {
+			/* See if we are just active executing this
+			 * event in a loop
+			 */
+			if (ev->ev_ncalls && ev->ev_pncalls) {
+				/* Abort loop */
+				*ev->ev_pncalls = 0;
+			}
+			
+			event_queue_remove(ev, EVLIST_ACTIVE);
+		}
+
 		gettimeofday(&now, NULL);
 		timeradd(&now, tv, &ev->ev_timeout);