# 2.11BSD#431 - /usr/src/lib/libc/gen/getloadavg.c

##### Functions

    getloadavg        X

       1: /*-
       2:  * Copyright (c) 1989, 1993
       3:  *	The Regents of the University of California.  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:
      34: #if defined(LIBC_SCCS) && !defined(lint)
      35: static char sccsid[] = "@(#)getloadavg.c   8.1.1 (2.11BSD GTE) 1/15/95";
      36: #endif /* LIBC_SCCS and not lint */
      37:
      38: #include <sys/param.h>
      39: #include <sys/sysctl.h>
      40: #include <sys/vmparam.h>
      41:
      42: /*
      43:  * getloadavg() -- Get system load averages.
      44:  *
      45:  * Put `nelem' samples into `loadavg' array.
      46:  * Return number of samples retrieved, or -1 on error.
      47:  */
      48: int
      49: getloadavg(loadavg, nelem)
      50:     double loadavg[];
      51:     register int nelem;
      52: {
      53:     struct loadavg loadinfo;
      54:     register int i;
      55:     int mib[2];
      56:     size_t size;
      57:
      58:     mib[0] = CTL_VM;
      59:     mib[1] = VM_LOADAVG;
      60:     size = sizeof(loadinfo);
      61:     if (sysctl(mib, 2, &loadinfo, &size, NULL, 0) < 0)
      62:         return (-1);
      63:
      64:     nelem = MIN(nelem, sizeof(loadinfo.ldavg) / sizeof(short));
      65:     for (i = 0; i < nelem; i++)
      66:         loadavg[i] = (double) loadinfo.ldavg[i] / loadinfo.fscale;
      67:     return (nelem);
      68: }

#### Defined functions

getloadavg defined in line 48; used 12 times

- in /usr/include/stdlib.h line 96
- in /usr/src/bin/sysctl/sysctl.c line 266
- in /usr/src/games/canfield.c line 1607
- in /usr/src/games/mille/mille.c line 29
- in /usr/src/games/snake/busy.c line 25
- in /usr/src/local/welcome/welcome.c line 27
- in /usr/src/new/jove/util.c line 701
- in /usr/src/new/la/la.c line 8
- in /usr/src/ucb/w.c line 168
- in /usr/src/usr.sbin/rwhod/rwhod.c line 302
- in /usr/src/usr.sbin/sendmail.MX/src/conf.c line 348
- in /usr/src/usr.sbin/sendmail/src/conf.c line 348

#### Defined variables

sccsid defined in line 35; never used

Last modified: 1995-01-16 Generated: 2016-12-26 | Generated by src2html V0.67 page hit count: 627 |