1 /* Get system load averages. Mach version.
2 Copyright (C) 1999 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
21 #include <mach/host_info.h>
28 /* Put the 1 minute, 5 minute and 15 minute load averages
29 into the first NELEM elements of LOADAVG.
30 Return the number written (never more than 3, but may be less than NELEM),
31 or -1 if an error occurred. */
34 getloadavg (double loadavg[], int nelem)
36 host_load_info_data_t info;
37 mach_msg_type_number_t size = HOST_LOAD_INFO_COUNT;
41 err = __host_info (__mach_host_self (), HOST_LOAD_INFO,
42 (host_info_t) &info, &size);
44 return __hurd_fail (err);
45 if (size < HOST_LOAD_INFO_COUNT)
46 return __hurd_fail (EGRATUITOUS);
50 for (i = 0; i < nelem; ++i)
51 loadavg[i] = (double) info.avenrun[i] * (double) LOAD_SCALE;