Reviewed by: msmith, bde long ago

POSIX.4 headers and sysctl variables.  Nothing should change
unless POSIX4 is defined or _POSIX_VERSION is set to 199309.

1 files changed, 74 insertions, 0 deletions

diff --git a/sys/posix4/sched.h b/sys/posix4/sched.h
new file mode 100644
index 0000000..50bc3c6
--- /dev/null
+++ b/sys/posix4/sched.h
@@ -0,0 +1,74 @@
+#ifndef _SCHED_H_
+#define _SCHED_H_
+
+/* sched.h: POSIX.4 Process Scheduling header */
+
+/*-
+ * Copyright (c) 1996, 1997
+ *	HD Associates, Inc.  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 HD Associates, Inc
+ *	and Jukka Antero Ukkonen.
+ * 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 HD ASSOCIATES 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 HD ASSOCIATES 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.
+ *
+ */
+
+#include <unistd.h>
+#include <sys/types.h>	/* For pid_t */
+
+#ifndef KERNEL
+#include <time.h>		/* Per P1003.4 */
+#endif
+
+/* Scheduling policies
+ */
+#define SCHED_FIFO  1
+#define SCHED_OTHER 2
+#define SCHED_RR    3
+
+struct sched_param
+{
+	int sched_priority;
+};
+
+#ifndef KERNEL
+#include <sys/cdefs.h>
+
+int sched_setparam __P((pid_t, const struct sched_param *));
+int sched_getparam __P((pid_t, struct sched_param *));
+
+int sched_setscheduler __P((pid_t, int, const struct sched_param *));
+int sched_getscheduler __P((pid_t));
+
+int sched_yield __P((void));
+int sched_get_priority_max __P((int));
+int sched_get_priority_min __P((int));
+int sched_rr_get_interval __P((pid_t, struct timespec *));
+
+#endif /* KERNEL */
+
+#endif /* _SCHED_H_ */