Add a POSIX sched header. pthread_yield() in draft 4 becomes

sched_yield() in the final draft (10). This header contains the
prototype. Other things in here are "future".

1 files changed, 72 insertions, 0 deletions

diff --git a/include/sched.h b/include/sched.h
new file mode 100644
index 0000000..3123124
--- /dev/null
+++ b/include/sched.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by John Birrell.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id$
+ *
+ * POSIX 1003.1c scheduling definitions.
+ *
+ */
+
+#ifndef _SCHED_H_
+#define _SCHED_H_
+#include <sys/cdefs.h>
+#include <sys/types.h>
+#include <time.h>
+
+/*
+ * Scheduling policies (unimplemented)
+ */
+#define	SCHED_FIFO	0	/* First in-first out scheduling policy.  */
+#define	SCHED_RR	1	/* Round robin scheduling policy.         */
+#define	SCHED_OTHER	2	/* Another scheduling policy.             */
+
+/*
+ * POSIX 1003.1 scheduling parameter structure.
+ */
+struct sched_param {
+	int	sched_priority;	/* Process execution scheduling priority. */
+};
+
+/*
+ * Scheduling function prototype definitions.
+ */
+__BEGIN_DECLS
+int	sched_getparam __P((pid_t, const struct sched_param *));
+int	sched_getscheduler __P((pid_t));
+int	sched_get_priority_max __P((int));
+int	sched_get_priority_min __P((int));
+int	sched_rr_get_interval __P((pid_t, struct timespec *));
+int	sched_setparam __P((pid_t, const struct sched_param *));
+int	sched_setscheduler __P((pid_t, int, const struct sched_param *));
+int	sched_yield __P((void));
+__END_DECLS
+
+#endif /* _SCHED_H_ */