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From: David Xu <davidxu@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
Subject: PERFORCE change 65515 for review
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http://perforce.freebsd.org/chv.cgi?CH=65515

Change 65515 by davidxu@davidxu_alona on 2004/11/20 04:44:01

	call __sys_sched_yield.

Affected files ...

.. //depot/projects/davidxu_thread/src/lib/libthread/thread/thr_yield.c#2 edit

Differences ...

==== //depot/projects/davidxu_thread/src/lib/libthread/thread/thr_yield.c#2 (text+ko) ====

@@ -40,34 +40,12 @@
 int
 _sched_yield(void)
 {
-	struct pthread	*curthread = _get_curthread();
-
-	if (curthread->attr.flags & PTHREAD_SCOPE_SYSTEM)
-		return (__sys_sched_yield());
-
-	/* Reset the accumulated time slice value for the current thread: */
-	curthread->slice_usec = -1;
-
-	/* Schedule the next thread: */
-	_thr_sched_switch(curthread);
-	/* Always return no error. */
-	return(0);
+	return (__sys_sched_yield());
 }
 
 /* Draft 4 yield */
 void
 _pthread_yield(void)
 {
-	struct pthread	*curthread = _get_curthread();
-
-	if (curthread->attr.flags & PTHREAD_SCOPE_SYSTEM) {
-		__sys_sched_yield();
-		return;
-	}
-
-	/* Reset the accumulated time slice value for the current thread: */
-	curthread->slice_usec = -1;
-
-	/* Schedule the next thread: */
-	_thr_sched_switch(curthread);
+	__sys_sched_yield();
 }