Module: xenomai-forge
Branch: next
Commit: 3066ea77b883dad0c632995f2fda79cced07429c
URL:
http://git.xenomai.org/?p=xenomai-forge.git;a=commit;h=3066ea77b883dad0c632995f2fda79cced07429c
Author: Philippe Gerum <r...@xenomai.org>
Date: Fri Jun 6 15:24:02 2014 +0200
lib/cobalt: do not route relaxed threads to standard sched_yield()
Doing so brings no upside, and uselessly delays switch back to primary
mode. Conversely, this change makes sched_yield() act as a conforming
call for Xenomai threads which may be helpful in some cases.
---
lib/cobalt/thread.c | 17 +++--------------
1 file changed, 3 insertions(+), 14 deletions(-)
diff --git a/lib/cobalt/thread.c b/lib/cobalt/thread.c
index e8c8961..ec23bfd 100644
--- a/lib/cobalt/thread.c
+++ b/lib/cobalt/thread.c
@@ -163,21 +163,10 @@ int pthread_getschedparam_ex(pthread_t thread,
COBALT_IMPL(int, sched_yield, (void))
{
- unsigned long status;
- int ret;
-
- status = cobalt_get_current_mode();
- if (status & XNRELAX)
- goto libc_yield;
-
- ret = -XENOMAI_SKINCALL0(__cobalt_muxid, sc_cobalt_sched_yield);
- if (ret == EPERM)
- goto libc_yield;
-
- return ret;
+ if (cobalt_get_current() == XN_NO_HANDLE)
+ return __STD(sched_yield());
-libc_yield:
- return __STD(sched_yield());
+ return -XENOMAI_SKINCALL0(__cobalt_muxid, sc_cobalt_sched_yield);
}
COBALT_IMPL(int, sched_get_priority_min, (int policy))
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