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author | Kaveh R. Ghazi <ghazi@caip.rutgers.edu> | 2003-02-21 20:15:39 +0000 |
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committer | Kaveh Ghazi <ghazi@gcc.gnu.org> | 2003-02-21 20:15:39 +0000 |
commit | 64c7e556ab3dd5af040d393383a557696522ecaa (patch) | |
tree | 8952d0661c6f4e242d8bec701c82d491b43c1711 /libiberty/physmem.c | |
parent | 934b8c40fe91d6d3bb28a998d2f6872fff4fc9e9 (diff) | |
download | gcc-64c7e556ab3dd5af040d393383a557696522ecaa.zip gcc-64c7e556ab3dd5af040d393383a557696522ecaa.tar.gz gcc-64c7e556ab3dd5af040d393383a557696522ecaa.tar.bz2 |
configure.in: Check for sys/sysmp.h and sysmp.
* configure.in: Check for sys/sysmp.h and sysmp.
* physmem.c: Pull upstream copy, add support for irix6.
* config.in, configure: Regenerated.
From-SVN: r63237
Diffstat (limited to 'libiberty/physmem.c')
-rw-r--r-- | libiberty/physmem.c | 61 |
1 files changed, 57 insertions, 4 deletions
diff --git a/libiberty/physmem.c b/libiberty/physmem.c index 6954261..52b9c8a 100644 --- a/libiberty/physmem.c +++ b/libiberty/physmem.c @@ -1,5 +1,5 @@ /* Calculate the size of physical memory. - Copyright 2000, 2001 Free Software Foundation, Inc. + Copyright 2000, 2001, 2003 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -15,7 +15,7 @@ along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -/* Written by Paul Eggert. */ +/* Written by Paul Eggert and Jim Meyering. */ #if HAVE_CONFIG_H # include <config.h> @@ -29,6 +29,12 @@ # include <sys/pstat.h> #endif +#if HAVE_SYS_SYSMP_H +#include <sys/sysmp.h> +#endif + +#include "libiberty.h" + /* Return the total amount of physical memory. */ double physmem_total () @@ -43,7 +49,7 @@ physmem_total () #endif #if HAVE_PSTAT_GETSTATIC - { + { /* This works on hpux11. */ struct pst_static pss; if (0 <= pstat_getstatic (&pss, sizeof pss, 1, 0)) { @@ -55,6 +61,19 @@ physmem_total () } #endif +#if HAVE_SYSMP && defined MP_SAGET && defined MPSA_RMINFO && defined _SC_PAGESIZE + { /* This works on irix6. */ + struct rminfo realmem; + if (sysmp(MP_SAGET, MPSA_RMINFO, &realmem, sizeof(realmem)) == 0) + { + double pagesize = sysconf (_SC_PAGESIZE); + double pages = realmem.physmem; + if (0 <= pages && 0 <= pagesize) + return pages * pagesize; + } + } +#endif + /* Return 0 if we can't determine the value. */ return 0; } @@ -73,7 +92,7 @@ physmem_available () #endif #if HAVE_PSTAT_GETSTATIC && HAVE_PSTAT_GETDYNAMIC - { + { /* This works on hpux11. */ struct pst_static pss; struct pst_dynamic psd; if (0 <= pstat_getstatic (&pss, sizeof pss, 1, 0) @@ -87,6 +106,40 @@ physmem_available () } #endif +#if HAVE_SYSMP && defined MP_SAGET && defined MPSA_RMINFO && defined _SC_PAGESIZE + { /* This works on irix6. */ + struct rminfo realmem; + if (sysmp(MP_SAGET, MPSA_RMINFO, &realmem, sizeof(realmem)) == 0) + { + double pagesize = sysconf (_SC_PAGESIZE); + double pages = realmem.availrmem; + if (0 <= pages && 0 <= pagesize) + return pages * pagesize; + } + } +#endif + /* Guess 25% of physical memory. */ return physmem_total () / 4; } + + +#if DEBUG + +# include <stdio.h> +# include <stdlib.h> + +int +main () +{ + printf ("%12.f %12.f\n", physmem_total (), physmem_available ()); + exit (0); +} + +#endif /* DEBUG */ + +/* +Local Variables: +compile-command: "gcc -DDEBUG -DHAVE_CONFIG_H -I.. -g -O -Wall -W physmem.c" +End: +*/ |