Module: xenomai-forge
Branch: master
Commit: f4c6fe1e3b8af908accbb5581e88e2450345bff8
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=f4c6fe1e3b8af908accbb5581e88e2450345bff8
Author: Philippe Gerum <r...@xenomai.org>
Date: Sat Dec 3 18:20:19 2011 +0100
cobalt/monitor: save useless traps in sync ops
---
lib/cobalt/internal.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/lib/cobalt/internal.c b/lib/cobalt/internal.c
index 832c520..d04bfd0 100644
--- a/lib/cobalt/internal.c
+++ b/lib/cobalt/internal.c
@@ -180,10 +180,14 @@ void cobalt_monitor_grant(cobalt_monitor_t *mon, unsigned
long *u_mode)
int cobalt_monitor_grant_sync(cobalt_monitor_t *mon, unsigned long *u_mode)
{
+ struct cobalt_monitor_data *datp = get_monitor_data(mon);
int ret, oldtype;
cobalt_monitor_grant(mon, u_mode);
+ if ((datp->flags & COBALT_MONITOR_PENDED) == 0)
+ return 0;
+
pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &oldtype);
ret = XENOMAI_SKINCALL1(__cobalt_muxid,
@@ -207,10 +211,14 @@ void cobalt_monitor_grant_all(cobalt_monitor_t *mon,
unsigned long *u_mode)
int cobalt_monitor_grant_all_sync(cobalt_monitor_t *mon, unsigned long *u_mode)
{
+ struct cobalt_monitor_data *datp = get_monitor_data(mon);
int ret, oldtype;
cobalt_monitor_grant_all(mon, u_mode);
+ if ((datp->flags & COBALT_MONITOR_PENDED) == 0)
+ return 0;
+
pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &oldtype);
ret = XENOMAI_SKINCALL1(__cobalt_muxid,
@@ -234,10 +242,14 @@ void cobalt_monitor_drain(cobalt_monitor_t *mon)
int cobalt_monitor_drain_sync(cobalt_monitor_t *mon)
{
+ struct cobalt_monitor_data *datp = get_monitor_data(mon);
int ret, oldtype;
cobalt_monitor_drain(mon);
+ if ((datp->flags & COBALT_MONITOR_PENDED) == 0)
+ return 0;
+
pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &oldtype);
ret = XENOMAI_SKINCALL1(__cobalt_muxid,
@@ -261,10 +273,14 @@ void cobalt_monitor_drain_all(cobalt_monitor_t *mon)
int cobalt_monitor_drain_all_sync(cobalt_monitor_t *mon)
{
+ struct cobalt_monitor_data *datp = get_monitor_data(mon);
int ret, oldtype;
cobalt_monitor_drain_all(mon);
+ if ((datp->flags & COBALT_MONITOR_PENDED) == 0)
+ return 0;
+
pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &oldtype);
ret = XENOMAI_SKINCALL1(__cobalt_muxid,
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