* Patch by Andreas that adds sched.h, and sched_yield() to Haiku.

* This closes ticket #2568.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26820 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/posix/sched.h

@@ -0,0 +1,18 @@
+/*
+ * Copyright 2008, Haiku Inc. All rights reserved.
+ * Distributed under the terms of the MIT license.
+ */
+#ifndef _SCHED_H_
+#define _SCHED_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int sched_yield(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /* _SCHED_H_ */

src/system/libroot/posix/Jamfile

@@ -21,6 +21,7 @@ MergeObject posix_main.o :
  	inttypes.c
  	poll.c
  	$(PWD_BACKEND)
+ 	scheduler.cpp
 	semaphore.cpp
  	syslog.cpp
  	termios.c

src/system/libroot/posix/scheduler.cpp

@@ -0,0 +1,17 @@
+/*
+ * Copyright 2008, Andreas Färber, andreas.faerber@web.de
+ * Distributed under the terms of the MIT license.
+ */
+
+#include <sched.h>
+
+#include <syscalls.h>
+
+
+int
+sched_yield(void)
+{
+	_kern_thread_yield();
+	return 0;
+}
+