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+/*
+ * Copyright (c) 1994, Henrik Vestergaard Draboel
+ * 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 (name).
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ * $Id$
+ */
+
+#ifndef _SYS_RTPRIO_H_
+#define _SYS_RTPRIO_H_
+
+/*
+ * Process realtime-priority specifications to rtprio.
+ */
+
+/* priority types */
+#define RTP_PRIO_REALTIME 0
+#define RTP_PRIO_NORMAL 1
+#define RTP_PRIO_IDLE 2
+
+/* priority range */
+#define RTP_PRIO_MIN 0 /* Highest priority */
+#define RTP_PRIO_MAX 31 /* Lowest priority */
+
+/*
+ * rtprio() syscall functions
+ */
+#define RTP_LOOKUP 0
+#define RTP_SET 1
+
+#ifndef LOCORE
+struct rtprio {
+ u_short type;
+ u_short prio;
+};
+#endif
+
+#ifndef KERNEL
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+int rtprio __P((int, pid_t, struct rtprio *));
+__END_DECLS
+#endif /* !KERNEL */
+#endif /* !_SYS_RTPRIO_H_ */