initial commit

1 files changed, 128 insertions, 0 deletions

diff --git a/sys/sys/resource.h b/sys/sys/resource.h
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--- /dev/null
+++ b/sys/sys/resource.h
@@ -0,0 +1,128 @@
+/*	$OpenBSD: resource.h,v 1.14 2013/10/25 04:42:48 guenther Exp $	*/
+/*	$NetBSD: resource.h,v 1.14 1996/02/09 18:25:27 christos Exp $	*/
+
+/*
+ * Copyright (c) 1982, 1986, 1993
+ *	The Regents of the University of California.  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. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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.
+ *
+ *	@(#)resource.h	8.2 (Berkeley) 1/4/94
+ */
+
+#ifndef _SYS_RESOURCE_H_
+#define	_SYS_RESOURCE_H_
+
+#include <sys/time.h>
+
+/*
+ * Process priority specifications to get/setpriority.
+ */
+#define	PRIO_MIN	(-20)
+#define	PRIO_MAX	20
+
+#define	PRIO_PROCESS	0
+#define	PRIO_PGRP	1
+#define	PRIO_USER	2
+
+/*
+ * Resource utilization information.
+ */
+
+#define	RUSAGE_SELF	0
+#define	RUSAGE_CHILDREN	(-1)
+#define	RUSAGE_THREAD	1
+
+struct	rusage {
+	struct timeval ru_utime;	/* user time used */
+	struct timeval ru_stime;	/* system time used */
+	long	ru_maxrss;		/* max resident set size */
+#define	ru_first	ru_ixrss
+	long	ru_ixrss;		/* integral shared text memory size */
+	long	ru_idrss;		/* integral unshared data " */
+	long	ru_isrss;		/* integral unshared stack " */
+	long	ru_minflt;		/* page reclaims */
+	long	ru_majflt;		/* page faults */
+	long	ru_nswap;		/* swaps */
+	long	ru_inblock;		/* block input operations */
+	long	ru_oublock;		/* block output operations */
+	long	ru_msgsnd;		/* messages sent */
+	long	ru_msgrcv;		/* messages received */
+	long	ru_nsignals;		/* signals received */
+	long	ru_nvcsw;		/* voluntary context switches */
+	long	ru_nivcsw;		/* involuntary " */
+#define	ru_last		ru_nivcsw
+};
+
+/*
+ * Resource limits
+ */
+#define	RLIMIT_CPU	0		/* cpu time in milliseconds */
+#define	RLIMIT_FSIZE	1		/* maximum file size */
+#define	RLIMIT_DATA	2		/* data size */
+#define	RLIMIT_STACK	3		/* stack size */
+#define	RLIMIT_CORE	4		/* core file size */
+#define	RLIMIT_RSS	5		/* resident set size */
+#define	RLIMIT_MEMLOCK	6		/* locked-in-memory address space */
+#define	RLIMIT_NPROC	7		/* number of processes */
+#define	RLIMIT_NOFILE	8		/* number of open files */
+
+#define	RLIM_NLIMITS	9		/* number of resource limits */
+
+#define	RLIM_INFINITY	(((rlim_t)1 << 63) - 1)
+#define	RLIM_SAVED_MAX	RLIM_INFINITY
+#define	RLIM_SAVED_CUR	RLIM_INFINITY
+
+struct rlimit {
+	rlim_t	rlim_cur;		/* current (soft) limit */
+	rlim_t	rlim_max;		/* maximum value for rlim_cur */
+};
+
+#if __BSD_VISIBLE
+/* Load average structure. */
+struct loadavg {
+	fixpt_t	ldavg[3];
+	long	fscale;
+};
+#endif /* __BSD_VISIBLE */
+
+#ifdef _KERNEL
+extern struct loadavg averunnable;
+struct process;
+int	dosetrlimit(struct proc *, u_int, struct rlimit *);
+int	donice(struct proc *, struct process *, int);
+int	dogetrusage(struct proc *, int, struct rusage *);
+
+#else
+__BEGIN_DECLS
+int	getpriority(int, id_t);
+int	getrlimit(int, struct rlimit *);
+int	getrusage(int, struct rusage *);
+int	setpriority(int, id_t, int);
+int	setrlimit(int, const struct rlimit *);
+__END_DECLS
+
+#endif	/* _KERNEL */
+#endif	/* !_SYS_RESOURCE_H_ */