octave-jordi/gnulib-hg: lib/physmem.c annotate

annotate lib/physmem.c @ 18029:e4a13d95b503

mgetgroups: port to strict OS X * doc/glibc-functions/getgrouplist.texi (getgrouplist): Document the getgrouplist problem. * lib/mgetgroups.c (getgrouplist_gids) [HAVE_GETGROUPLIST]: New macro. (mgetgroups): Use it. * m4/mgetgroups.m4 (gl_MGETGROUPS): Check for OS X signature for getgrouplist.

author	Paul Eggert <eggert@cs.ucla.edu>
date	Sun, 28 Jun 2015 23:43:35 -0700
parents	ab58d4870664
children

rev	line source
3064 2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	1 /* Calculate the size of physical memory.
7302 8a1a9361108c * _fpending.c: Include <config.h> unconditionally, since we no Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	2
17848 ab58d4870664 version-etc: new year Paul Eggert <eggert@cs.ucla.edu> parents: 17659 diff changeset	3 Copyright (C) 2000-2001, 2003, 2005-2006, 2009-2015 Free Software
12559 c2cbabec01dd update nearly all FSF copyright year lists to include 2010 Jim Meyering <meyering@redhat.com> parents: 12518 diff changeset	4 Foundation, Inc.
3064 2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	5
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	6 This program is free software: you can redistribute it and/or modify
3064 2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	7 it under the terms of the GNU General Public License as published by
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	8 the Free Software Foundation; either version 3 of the License, or
bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	9 (at your option) any later version.
3064 2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	10
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	11 This program is distributed in the hope that it will be useful,
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	12 but WITHOUT ANY WARRANTY; without even the implied warranty of
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	14 GNU General Public License for more details.
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	15
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	16 You should have received a copy of the GNU General Public License
9309 bbbbbf4cd1c5 Change copyright notice from GPLv2+ to GPLv3+. Bruno Haible <bruno@clisp.org> parents: 7302 diff changeset	17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
3064 2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	18
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	19 /* Written by Paul Eggert. */
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	20
7302 8a1a9361108c * _fpending.c: Include <config.h> unconditionally, since we no Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	21 #include <config.h>
3064 2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	22
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	23 #include "physmem.h"
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	24
6275 fd0ccce602e4 Sync from coreutils. Paul Eggert <eggert@cs.ucla.edu> parents: 6259 diff changeset	25 #include <unistd.h>
3064 2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	26
3607 0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	27 #if HAVE_SYS_PSTAT_H
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	28 # include <sys/pstat.h>
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	29 #endif
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	30
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	31 #if HAVE_SYS_SYSMP_H
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	32 # include <sys/sysmp.h>
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	33 #endif
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	34
17659 10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	35 #if HAVE_SYS_SYSINFO_H
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	36 # include <sys/sysinfo.h>
17659 10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	37 #endif
10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	38
10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	39 #if HAVE_MACHINE_HAL_SYSINFO_H
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	40 # include <machine/hal_sysinfo.h>
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	41 #endif
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	42
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	43 #if HAVE_SYS_TABLE_H
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	44 # include <sys/table.h>
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	45 #endif
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	46
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	47 #include <sys/types.h>
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	48
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	49 #if HAVE_SYS_PARAM_H
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	50 # include <sys/param.h>
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	51 #endif
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	52
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	53 #if HAVE_SYS_SYSCTL_H
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	54 # include <sys/sysctl.h>
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	55 #endif
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	56
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	57 #if HAVE_SYS_SYSTEMCFG_H
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	58 # include <sys/systemcfg.h>
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	59 #endif
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	60
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	61 #ifdef _WIN32
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	62 # define WIN32_LEAN_AND_MEAN
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	63 # include <windows.h>
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	64 /* MEMORYSTATUSEX is missing from older windows headers, so define
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	65 a local replacement. */
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	66 typedef struct
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	67 {
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	68 DWORD dwLength;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	69 DWORD dwMemoryLoad;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	70 DWORDLONG ullTotalPhys;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	71 DWORDLONG ullAvailPhys;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	72 DWORDLONG ullTotalPageFile;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	73 DWORDLONG ullAvailPageFile;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	74 DWORDLONG ullTotalVirtual;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	75 DWORDLONG ullAvailVirtual;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	76 DWORDLONG ullAvailExtendedVirtual;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	77 } lMEMORYSTATUSEX;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	78 typedef WINBOOL (WINAPI PFN_MS_EX) (lMEMORYSTATUSEX);
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	79 #endif
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	80
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	81 #define ARRAY_SIZE(a) (sizeof (a) / sizeof ((a)[0]))
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	82
3064 2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	83 /* Return the total amount of physical memory. */
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	84 double
4669 c7ad68a45173 (physmem_total, physmem_available, main): Define with prototypes. Paul Eggert <eggert@cs.ucla.edu> parents: 4551 diff changeset	85 physmem_total (void)
3064 2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	86 {
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	87 #if defined _SC_PHYS_PAGES && defined _SC_PAGESIZE
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	88 { /* This works on linux-gnu, solaris2 and cygwin. */
3607 0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	89 double pages = sysconf (_SC_PHYS_PAGES);
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	90 double pagesize = sysconf (_SC_PAGESIZE);
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	91 if (0 <= pages && 0 <= pagesize)
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	92 return pages * pagesize;
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	93 }
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	94 #endif
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	95
17659 10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	96 #if HAVE_SYSINFO && HAVE_STRUCT_SYSINFO_MEM_UNIT
10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	97 { /* This works on linux. */
10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	98 struct sysinfo si;
10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	99 if (sysinfo(&si) == 0)
10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	100 return (double) si.totalram * si.mem_unit;
10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	101 }
10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	102 #endif
10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	103
3607 0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	104 #if HAVE_PSTAT_GETSTATIC
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	105 { /* This works on hpux11. */
3607 0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	106 struct pst_static pss;
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	107 if (0 <= pstat_getstatic (&pss, sizeof pss, 1, 0))
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	108 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	109 double pages = pss.physical_memory;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	110 double pagesize = pss.page_size;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	111 if (0 <= pages && 0 <= pagesize)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	112 return pages * pagesize;
3607 0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	113 }
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	114 }
3064 2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	115 #endif
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	116
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	117 #if HAVE_SYSMP && defined MP_SAGET && defined MPSA_RMINFO && defined _SC_PAGESIZE
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	118 { /* This works on irix6. */
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	119 struct rminfo realmem;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	120 if (sysmp (MP_SAGET, MPSA_RMINFO, &realmem, sizeof realmem) == 0)
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	121 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	122 double pagesize = sysconf (_SC_PAGESIZE);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	123 double pages = realmem.physmem;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	124 if (0 <= pages && 0 <= pagesize)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	125 return pages * pagesize;
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	126 }
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	127 }
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	128 #endif
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	129
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	130 #if HAVE_GETSYSINFO && defined GSI_PHYSMEM
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	131 { /* This works on Tru64 UNIX V4/5. */
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	132 int physmem;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	133
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	134 if (getsysinfo (GSI_PHYSMEM, (caddr_t) &physmem, sizeof (physmem),
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	135 NULL, NULL, NULL) == 1)
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	136 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	137 double kbytes = physmem;
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	138
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	139 if (0 <= kbytes)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	140 return kbytes * 1024.0;
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	141 }
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	142 }
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	143 #endif
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	144
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	145 #if HAVE_SYSCTL && defined HW_PHYSMEM
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	146 { /* This works on bsd and darwin. /
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	147 unsigned int physmem;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	148 size_t len = sizeof physmem;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	149 static int mib[2] = { CTL_HW, HW_PHYSMEM };
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	150
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	151 if (sysctl (mib, ARRAY_SIZE (mib), &physmem, &len, NULL, 0) == 0
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	152 && len == sizeof (physmem))
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	153 return (double) physmem;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	154 }
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	155 #endif
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	156
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	157 #if HAVE__SYSTEM_CONFIGURATION
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	158 /* This works on AIX. */
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	159 return _system_configuration.physmem;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	160 #endif
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	161
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	162 #if defined _WIN32
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	163 { /* this works on windows */
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	164 PFN_MS_EX pfnex;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	165 HMODULE h = GetModuleHandle ("kernel32.dll");
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	166
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	167 if (!h)
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	168 return 0.0;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	169
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	170 /* Use GlobalMemoryStatusEx if available. */
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	171 if ((pfnex = (PFN_MS_EX) GetProcAddress (h, "GlobalMemoryStatusEx")))
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	172 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	173 lMEMORYSTATUSEX lms_ex;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	174 lms_ex.dwLength = sizeof lms_ex;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	175 if (!pfnex (&lms_ex))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	176 return 0.0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	177 return (double) lms_ex.ullTotalPhys;
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	178 }
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	179
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	180 /* Fall back to GlobalMemoryStatus which is always available.
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	181 but returns wrong results for physical memory > 4GB. */
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	182 else
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	183 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	184 MEMORYSTATUS ms;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	185 GlobalMemoryStatus (&ms);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	186 return (double) ms.dwTotalPhys;
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	187 }
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	188 }
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	189 #endif
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	190
3064 2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	191 /* Guess 64 MB. It's probably an older host, so guess small. */
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	192 return 64 * 1024 * 1024;
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	193 }
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	194
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	195 /* Return the amount of physical memory available. */
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	196 double
4669 c7ad68a45173 (physmem_total, physmem_available, main): Define with prototypes. Paul Eggert <eggert@cs.ucla.edu> parents: 4551 diff changeset	197 physmem_available (void)
3064 2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	198 {
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	199 #if defined _SC_AVPHYS_PAGES && defined _SC_PAGESIZE
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	200 { /* This works on linux-gnu, solaris2 and cygwin. */
3607 0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	201 double pages = sysconf (_SC_AVPHYS_PAGES);
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	202 double pagesize = sysconf (_SC_PAGESIZE);
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	203 if (0 <= pages && 0 <= pagesize)
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	204 return pages * pagesize;
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	205 }
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	206 #endif
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	207
17659 10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	208 #if HAVE_SYSINFO && HAVE_STRUCT_SYSINFO_MEM_UNIT
10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	209 { /* This works on linux. */
10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	210 struct sysinfo si;
10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	211 if (sysinfo(&si) == 0)
10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	212 return ((double) si.freeram + si.bufferram) * si.mem_unit;
10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	213 }
10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	214 #endif
10089b66b66e physmem: use sysinfo if _SC_PHYS_PAGES unavailable Natanael Copa <ncopa@alpinelinux.org> parents: 17587 diff changeset	215
3607 0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	216 #if HAVE_PSTAT_GETSTATIC && HAVE_PSTAT_GETDYNAMIC
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	217 { /* This works on hpux11. */
3607 0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	218 struct pst_static pss;
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	219 struct pst_dynamic psd;
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	220 if (0 <= pstat_getstatic (&pss, sizeof pss, 1, 0)
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	221 && 0 <= pstat_getdynamic (&psd, sizeof psd, 1, 0))
3607 0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	222 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	223 double pages = psd.psd_free;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	224 double pagesize = pss.page_size;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	225 if (0 <= pages && 0 <= pagesize)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	226 return pages * pagesize;
3607 0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	227 }
0eb39272f531 [HAVE_SYS_PSTAT_H]: Include <sys/pstat.h>. Jim Meyering <jim@meyering.net> parents: 3064 diff changeset	228 }
3064 2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	229 #endif
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	230
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	231 #if HAVE_SYSMP && defined MP_SAGET && defined MPSA_RMINFO && defined _SC_PAGESIZE
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	232 { /* This works on irix6. */
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	233 struct rminfo realmem;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	234 if (sysmp (MP_SAGET, MPSA_RMINFO, &realmem, sizeof realmem) == 0)
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	235 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	236 double pagesize = sysconf (_SC_PAGESIZE);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	237 double pages = realmem.availrmem;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	238 if (0 <= pages && 0 <= pagesize)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	239 return pages * pagesize;
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	240 }
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	241 }
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	242 #endif
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	243
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	244 #if HAVE_TABLE && defined TBL_VMSTATS
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	245 { /* This works on Tru64 UNIX V4/5. */
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	246 struct tbl_vmstats vmstats;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	247
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	248 if (table (TBL_VMSTATS, 0, &vmstats, 1, sizeof (vmstats)) == 1)
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	249 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	250 double pages = vmstats.free_count;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	251 double pagesize = vmstats.pagesize;
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	252
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	253 if (0 <= pages && 0 <= pagesize)
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	254 return pages * pagesize;
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	255 }
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	256 }
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	257 #endif
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	258
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	259 #if HAVE_SYSCTL && defined HW_USERMEM
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	260 { /* This works on bsd and darwin. /
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	261 unsigned int usermem;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	262 size_t len = sizeof usermem;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	263 static int mib[2] = { CTL_HW, HW_USERMEM };
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	264
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	265 if (sysctl (mib, ARRAY_SIZE (mib), &usermem, &len, NULL, 0) == 0
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	266 && len == sizeof (usermem))
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	267 return (double) usermem;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	268 }
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	269 #endif
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	270
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	271 #if defined _WIN32
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	272 { /* this works on windows */
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	273 PFN_MS_EX pfnex;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	274 HMODULE h = GetModuleHandle ("kernel32.dll");
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	275
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	276 if (!h)
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	277 return 0.0;
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	278
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	279 /* Use GlobalMemoryStatusEx if available. */
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	280 if ((pfnex = (PFN_MS_EX) GetProcAddress (h, "GlobalMemoryStatusEx")))
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	281 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	282 lMEMORYSTATUSEX lms_ex;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	283 lms_ex.dwLength = sizeof lms_ex;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	284 if (!pfnex (&lms_ex))
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	285 return 0.0;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	286 return (double) lms_ex.ullAvailPhys;
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	287 }
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	288
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	289 /* Fall back to GlobalMemoryStatus which is always available.
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	290 but returns wrong results for physical memory > 4GB */
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	291 else
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	292 {
12421 e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	293 MEMORYSTATUS ms;
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	294 GlobalMemoryStatus (&ms);
e8d2c6fc33ad Use spaces for indentation, not tabs. Bruno Haible <bruno@clisp.org> parents: 9309 diff changeset	295 return (double) ms.dwAvailPhys;
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	296 }
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	297 }
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	298 #endif
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	299
3064 2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	300 /* Guess 25% of physical memory. */
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	301 return physmem_total () / 4;
2850b7ee3063 * empty log message * Jim Meyering <jim@meyering.net> parents: diff changeset	302 }
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	303
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	304
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	305 #if DEBUG
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	306
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	307 # include <stdio.h>
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	308 # include <stdlib.h>
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	309
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	310 int
4669 c7ad68a45173 (physmem_total, physmem_available, main): Define with prototypes. Paul Eggert <eggert@cs.ucla.edu> parents: 4551 diff changeset	311 main (void)
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	312 {
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	313 printf ("%12.f %12.f\n", physmem_total (), physmem_available ());
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	314 exit (0);
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	315 }
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	316
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	317 #endif /* DEBUG */
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	318
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	319 /*
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	320 Local Variables:
7302 8a1a9361108c * _fpending.c: Include <config.h> unconditionally, since we no Paul Eggert <eggert@cs.ucla.edu> parents: 6275 diff changeset	321 compile-command: "gcc -DDEBUG -g -O -Wall -W physmem.c"
4551 e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	322 End:
e98bdaad6174 Merge in portability changes from gcc/libiberty Paul Eggert <eggert@cs.ucla.edu> parents: 3607 diff changeset	323 */

Mercurial > hg > octave-jordi > gnulib-hg

annotate lib/physmem.c @ 18029:e4a13d95b503