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comparison src/getloadavg.c @ 84:ac0620f6398e r20-0b92

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Import from CVS: tag r20-0b92
author cvs
date Mon, 13 Aug 2007 09:08:29 +0200
parents 6a378aca36af
children 59463afc5666
comparison
equal deleted inserted replaced
83:ba3ba6e17456 84:ac0620f6398e
1 /* Get the system load averages. 1 /* Get the system load averages.
2 Copyright (C) 1985, 86, 87, 88, 89, 91, 92, 93, 1994, 1995 2 Copyright (C) 1985, 86, 87, 88, 89, 91, 92, 93, 1994, 1995
3 Free Software Foundation, Inc. 3 Free Software Foundation, Inc.
4 4
5 This program is free software; you can redistribute it and/or modify 5 This file is part of XEmacs.
6 it under the terms of the GNU General Public License as published by 6
7 the Free Software Foundation; either version 2, or (at your option) 7 XEmacs is free software; you can redistribute it and/or modify it
8 any later version. 8 under the terms of the GNU General Public License as published by the
9 9 Free Software Foundation; either version 2, or (at your option) any
10 This program is distributed in the hope that it will be useful, 10 later version.
11 but WITHOUT ANY WARRANTY; without even the implied warranty of 11
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 XEmacs is distributed in the hope that it will be useful, but WITHOUT
13 GNU General Public License for more details. 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
15 You should have received a copy of the GNU General Public License 15 for more details.
16 along with this program; if not, write to the Free Software 16
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 17 You should have received a copy of the GNU General Public License
18 USA. */ 18 along with XEmacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
21
19 22
20 /* Compile-time symbols that this file uses: 23 /* Compile-time symbols that this file uses:
21 24
22 FIXUP_KERNEL_SYMBOL_ADDR() Adjust address in returned struct nlist. 25 FIXUP_KERNEL_SYMBOL_ADDR() Adjust address in returned struct nlist.
23 KERNEL_FILE Pathname of the kernel to nlist. 26 KERNEL_FILE Pathname of the kernel to nlist.
93 extern int errno; 96 extern int errno;
94 #endif 97 #endif
95 98
96 #ifndef HAVE_GETLOADAVG 99 #ifndef HAVE_GETLOADAVG
97 100
98
99 /* The existing Emacs configuration files define a macro called 101 /* The existing Emacs configuration files define a macro called
100 LOAD_AVE_CVT, which accepts a value of type LOAD_AVE_TYPE, and 102 LOAD_AVE_CVT, which accepts a value of type LOAD_AVE_TYPE, and
101 returns the load average multiplied by 100. What we actually want 103 returns the load average multiplied by 100. What we actually want
102 is a macro called LDAV_CVT, which returns the load average as an 104 is a macro called LDAV_CVT, which returns the load average as an
103 unmultiplied double. 105 unmultiplied double.
515 into the first NELEM elements of LOADAVG. 517 into the first NELEM elements of LOADAVG.
516 Return the number written (never more than 3, but may be less than NELEM), 518 Return the number written (never more than 3, but may be less than NELEM),
517 or -1 if an error occurred. */ 519 or -1 if an error occurred. */
518 520
519 int 521 int
520 getloadavg (loadavg, nelem) 522 getloadavg (double loadavg[], int nelem)
521 double loadavg[];
522 int nelem;
523 { 523 {
524 int elem = 0; /* Return value. */ 524 int elem = 0; /* Return value. */
525 525
526 #ifdef NO_GET_LOAD_AVG 526 #ifdef NO_GET_LOAD_AVG
527 #define LDAV_DONE 527 #define LDAV_DONE
888 #else /* NLIST_STRUCT */ 888 #else /* NLIST_STRUCT */
889 #ifdef NLIST_NAME_UNION 889 #ifdef NLIST_NAME_UNION
890 nl[0].n_un.n_name = LDAV_SYMBOL; 890 nl[0].n_un.n_name = LDAV_SYMBOL;
891 nl[1].n_un.n_name = 0; 891 nl[1].n_un.n_name = 0;
892 #else /* not NLIST_NAME_UNION */ 892 #else /* not NLIST_NAME_UNION */
893 nl[0].n_name = LDAV_SYMBOL; 893 nl[0].n_name = (char *) LDAV_SYMBOL;
894 nl[1].n_name = 0; 894 nl[1].n_name = 0;
895 #endif /* not NLIST_NAME_UNION */ 895 #endif /* not NLIST_NAME_UNION */
896 #endif /* NLIST_STRUCT */ 896 #endif /* NLIST_STRUCT */
897 897
898 #ifndef SUNOS_5 898 #ifndef SUNOS_5
1000 1000
1001 #endif /* ! HAVE_GETLOADAVG */ 1001 #endif /* ! HAVE_GETLOADAVG */
1002 1002
1003 #ifdef TEST 1003 #ifdef TEST
1004 void 1004 void
1005 main (argc, argv) 1005 main (int argc, char **argv)
1006 int argc;
1007 char **argv;
1008 { 1006 {
1009 int naptime = 0; 1007 int naptime = 0;
1010 1008
1011 if (argc > 1) 1009 if (argc > 1)
1012 naptime = atoi (argv[1]); 1010 naptime = atoi (argv[1]);