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Annotation of Net2/sys/resource.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1982, 1986 The Regents of the University of California.
        !             3:  * All rights reserved.
        !             4:  *
        !             5:  * Redistribution and use in source and binary forms, with or without
        !             6:  * modification, are permitted provided that the following conditions
        !             7:  * are met:
        !             8:  * 1. Redistributions of source code must retain the above copyright
        !             9:  *    notice, this list of conditions and the following disclaimer.
        !            10:  * 2. Redistributions in binary form must reproduce the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer in the
        !            12:  *    documentation and/or other materials provided with the distribution.
        !            13:  * 3. All advertising materials mentioning features or use of this software
        !            14:  *    must display the following acknowledgement:
        !            15:  *     This product includes software developed by the University of
        !            16:  *     California, Berkeley and its contributors.
        !            17:  * 4. Neither the name of the University nor the names of its contributors
        !            18:  *    may be used to endorse or promote products derived from this software
        !            19:  *    without specific prior written permission.
        !            20:  *
        !            21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            31:  * SUCH DAMAGE.
        !            32:  *
        !            33:  *     @(#)resource.h  7.5 (Berkeley) 3/17/91
        !            34:  */
        !            35: 
        !            36: #ifndef _RESOURCE_H_
        !            37: #define        _RESOURCE_H_
        !            38: 
        !            39: /*
        !            40:  * Process priority specifications to get/setpriority.
        !            41:  */
        !            42: #define        PRIO_MIN        -20
        !            43: #define        PRIO_MAX        20
        !            44: 
        !            45: #define        PRIO_PROCESS    0
        !            46: #define        PRIO_PGRP       1
        !            47: #define        PRIO_USER       2
        !            48: 
        !            49: /*
        !            50:  * Resource utilization information.
        !            51:  */
        !            52: 
        !            53: #define        RUSAGE_SELF     0
        !            54: #define        RUSAGE_CHILDREN -1
        !            55: 
        !            56: struct rusage {
        !            57:        struct timeval ru_utime;        /* user time used */
        !            58:        struct timeval ru_stime;        /* system time used */
        !            59:        long    ru_maxrss;              /* max resident set size */
        !            60: #define        ru_first        ru_ixrss
        !            61:        long    ru_ixrss;               /* integral shared memory size */
        !            62:        long    ru_idrss;               /* integral unshared data " */
        !            63:        long    ru_isrss;               /* integral unshared stack " */
        !            64:        long    ru_minflt;              /* page reclaims */
        !            65:        long    ru_majflt;              /* page faults */
        !            66:        long    ru_nswap;               /* swaps */
        !            67:        long    ru_inblock;             /* block input operations */
        !            68:        long    ru_oublock;             /* block output operations */
        !            69:        long    ru_msgsnd;              /* messages sent */
        !            70:        long    ru_msgrcv;              /* messages received */
        !            71:        long    ru_nsignals;            /* signals received */
        !            72:        long    ru_nvcsw;               /* voluntary context switches */
        !            73:        long    ru_nivcsw;              /* involuntary " */
        !            74: #define        ru_last         ru_nivcsw
        !            75: };
        !            76: 
        !            77: /*
        !            78:  * Resource limits
        !            79:  */
        !            80: #define        RLIMIT_CPU      0               /* cpu time in milliseconds */
        !            81: #define        RLIMIT_FSIZE    1               /* maximum file size */
        !            82: #define        RLIMIT_DATA     2               /* data size */
        !            83: #define        RLIMIT_STACK    3               /* stack size */
        !            84: #define        RLIMIT_CORE     4               /* core file size */
        !            85: #define        RLIMIT_RSS      5               /* resident set size */
        !            86: #define        RLIMIT_MEMLOCK  6               /* locked-in-memory address space */
        !            87: #define        RLIMIT_NPROC    7               /* number of processes */
        !            88: #define        RLIMIT_OFILE    8               /* number of open files */
        !            89: 
        !            90: #define        RLIM_NLIMITS    9               /* number of resource limits */
        !            91: 
        !            92: #define        RLIM_INFINITY   0x7fffffff
        !            93: 
        !            94: struct rlimit {
        !            95:        long    rlim_cur;               /* current (soft) limit */
        !            96:        long    rlim_max;               /* maximum value for rlim_cur */
        !            97: };
        !            98: 
        !            99: #ifndef KERNEL
        !           100: #include <sys/cdefs.h>
        !           101: 
        !           102: __BEGIN_DECLS
        !           103: int    getpriority __P((int, int));
        !           104: int    getrlimit __P((int, struct rlimit *));
        !           105: int    getrusage __P((int, struct rusage *));
        !           106: int    setpriority __P((int, int, int));
        !           107: int    setrlimit __P((int, const struct rlimit *));
        !           108: __END_DECLS
        !           109: 
        !           110: #endif /* !KERNEL */
        !           111: #endif /* !_RESOURCE_H_ */

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