[pisa-src] r1104 - trunk/libpisa
- From: Thomas Jansen <mithi@xxxxxxxxx>
- To: pisa-src@xxxxxxxxxxxxx
- Date: Tue, 13 Oct 2009 13:24:05 +0200
Author: tjansen
Date: Tue Oct 13 13:24:05 2009
New Revision: 1104
Log:
Fixed segfault when task list is empty.
Modified:
trunk/libpisa/scheduler.c
Modified: trunk/libpisa/scheduler.c
==============================================================================
--- trunk/libpisa/scheduler.c Tue Oct 13 13:16:56 2009 (r1103)
+++ trunk/libpisa/scheduler.c Tue Oct 13 13:24:05 2009 (r1104)
@@ -65,7 +65,7 @@
pthread_mutex_lock(&mutex_list);
gettimeofday(&now, NULL);
- if (pisa_time_before(&head->due, &now)) {
+ if (head && pisa_time_before(&head->due, &now)) {
/* (at least) the first action is due now, raise the
* flag. As we have to reschedule afterwards, sleep
* for a _long_ time. We don't care about tv_usec. */
@@ -75,7 +75,10 @@
/* No action is due now, sleep until the head is due
* (or we are woken up for rescheduling). */
*flag = 0;
- timersub(&head->due, &now, &timeout);
+ if (head)
+ timersub(&head->due, &now, &timeout);
+ else
+ timeout.tv_sec = 1000000;
}
pthread_mutex_unlock(&mutex_list);
}
Other related posts:
- » [pisa-src] r1104 - trunk/libpisa - Thomas Jansen