X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=sched.c;h=e58483e9385e5092c094ac0f2b30b06c905e6627;hb=6793399f34237840fbf48220971966bc9a3d5a18;hp=44e66c9b62664eb3add50d9924db6b311ea7e273;hpb=badcf6125a8e0b2845348aca46d288f141e4f509;p=paraslash.git

diff --git a/sched.c b/sched.c
index 44e66c9b..e58483e9 100644
--- a/sched.c
+++ b/sched.c
@@ -108,12 +108,12 @@ int schedule(struct sched *s)
 		return -E_NOT_INITIALIZED;
 	if (!s->select_function)
 		s->select_function = para_select;
-	gettimeofday(now, NULL);
 again:
 	FD_ZERO(&s->rfds);
 	FD_ZERO(&s->wfds);
 	s->timeout = s->default_timeout;
 	s->max_fileno = -1;
+	gettimeofday(now, NULL);
 	sched_preselect(s);
 	if (list_empty(&pre_select_list) && list_empty(&post_select_list))
 		return 0;
@@ -250,3 +250,33 @@ int kill_task(char *id)
 	}
 	return -E_NO_SUCH_TASK;
 }
+
+void sched_min_delay(struct sched *s)
+{
+	s->timeout.tv_sec = 0;
+	s->timeout.tv_usec = 1;
+}
+
+void sched_request_timeout(struct timeval *timeout, struct sched *s)
+{
+	if (tv_diff(&s->timeout, timeout, NULL) > 0)
+		s->timeout = *timeout;
+}
+
+void sched_request_timeout_ms(long unsigned ms, struct sched *s)
+{
+	struct timeval tv;
+	ms2tv(ms, &tv);
+	sched_request_timeout(&tv, s);
+}
+
+void sched_request_barrier(struct timeval *barrier, struct sched *s)
+{
+	struct timeval diff;
+
+	if (tv_diff(now, barrier, &diff) > 0)
+		return;
+	sched_request_timeout(&diff, s);
+}
+
+