Changeset 1454 for trunk/src/emx/include/sys/resource.h

Timestamp:

Sep 4, 2004, 8:22:38 AM (21 years ago)

Author:

bird

Message:

Joined with the fork() tree from netlabs.cvs.

File:

• trunk/src/emx/include/sys/resource.h (modified) (1 diff, 1 prop)

trunk/src/emx/include/sys/resource.h

@@ -1 @@
-/* sys/resource.h (emx+gcc) */
+/*
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by the University of
+ *      California, Berkeley and its contributors.
+ * 4. 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  8.4 (Berkeley) 1/9/95
+ * $FreeBSD: src/sys/sys/resource.h,v 1.19 2003/02/16 13:30:29 phk Exp $
+ */
+
+/** @file
+ * FreeBSD 5.1
+ */
+
+#ifndef _SYS_RESOURCE_H_
+#define _SYS_RESOURCE_H_
+
+/*
+ * Process priority specifications to get/setpriority.
+ */
+#define PRIO_MIN        -20
+#define PRIO_MAX        20
+#ifdef _KERNEL
+#define PRIO_TOTAL      (PRIO_MAX - PRIO_MIN)
+#endif /* _KERNEL */
+
+#define PRIO_PROCESS    0
+#define PRIO_PGRP       1
+#define PRIO_USER       2
+
+/*
+ * Resource utilization information.
+ */
+
+#define RUSAGE_SELF     0
+#define RUSAGE_CHILDREN -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 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 RLIMIT_SBSIZE   9               /* maximum size of all socket buffers */
+#define RLIMIT_VMEM     10              /* virtual process size (inclusive of mmap) */
+
+#define RLIM_NLIMITS    11              /* number of resource limits */
+
+#define RLIM_INFINITY   ((rlim_t)(((u_quad_t)1 << 63) - 1))
+
+
+/*
+ * Resource limit string identifiers
+ */
+
+#ifdef _RLIMIT_IDENT
+static char *rlimit_ident[] = {
+        "cpu",
+        "fsize",
+        "data",
+        "stack",
+        "core",
+        "rss",
+        "memlock",
+        "nproc",
+        "nofile",
+        "sbsize",
+        "vmem",
+};
+#endif
+
+struct orlimit {
+        int32_t rlim_cur;               /* current (soft) limit */
+        int32_t rlim_max;               /* maximum value for rlim_cur */
+};
+
+struct rlimit {
+        rlim_t  rlim_cur;               /* current (soft) limit */
+        rlim_t  rlim_max;               /* maximum value for rlim_cur */
+};
+
+/* Load average structure. */
+struct loadavg {
+        fixpt_t ldavg[3];
+        long    fscale;
+};
+
+#define CP_USER         0
+#define CP_NICE         1
+#define CP_SYS          2
+#define CP_INTR         3
+#define CP_IDLE         4
+#define CPUSTATES       5
+
+#ifdef _KERNEL
+extern struct loadavg averunnable;
+extern long cp_time[CPUSTATES];
+
+int     dosetrlimit(struct thread *, u_int, struct rlimit *);
+
+#else
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+int     getpriority(int, int);
+int     getrlimit(int, struct rlimit *);
+int     getrusage(int, struct rusage *);
+int     setpriority(int, int, int);
+int     setrlimit(int, const struct rlimit *);
+__END_DECLS
+
+#endif  /* _KERNEL */
+#endif  /* !_SYS_RESOURCE_H_ */