From: Andre Noll <maan@systemlinux.org>
Date: Sat, 12 Apr 2008 14:25:13 +0000 (+0200)
Subject: Introduce sched->select_function.
X-Git-Tag: v0.3.3~80
X-Git-Url: http://git.tue.mpg.de/?a=commitdiff_plain;h=4fc040bcb794981726c20759ce6ad4aadebc3ff4;p=paraslash.git

Introduce sched->select_function.

para_server needs this for locking.
---

diff --git a/sched.c b/sched.c
index 02793124..4df32fa1 100644
--- a/sched.c
+++ b/sched.c
@@ -105,6 +105,8 @@ int schedule(struct sched *s)
 
 	if (!initialized)
 		return -E_NOT_INITIALIZED;
+	if (!s->select_function)
+		s->select_function = para_select;
 	gettimeofday(now, NULL);
 again:
 	FD_ZERO(&s->rfds);
@@ -114,7 +116,7 @@ again:
 	sched_preselect(s);
 	if (list_empty(&pre_select_list) && list_empty(&post_select_list))
 		return 0;
-	ret = para_select(s->max_fileno + 1, &s->rfds, &s->wfds, &s->timeout);
+	ret = s->select_function(s->max_fileno + 1, &s->rfds, &s->wfds, &s->timeout);
 	if (ret < 0)
 		return ret;
 	gettimeofday(now, NULL);
diff --git a/sched.h b/sched.h
index b92aaff7..4d57c75f 100644
--- a/sched.h
+++ b/sched.h
@@ -27,6 +27,8 @@ struct sched {
 	fd_set wfds;
 	/** Highest numbered file descriptor in any of the above fd sets. */
 	int max_fileno;
+	/** In non-NULL, use this function instead of para_select. */
+	int (*select_function)(int, fd_set *, fd_set *, struct timeval *);
 };
 
 /**