aboutsummaryrefslogtreecommitdiff
path: root/libiberty/physmem.c
diff options
context:
space:
mode:
authorKaveh R. Ghazi <ghazi@caip.rutgers.edu>2003-02-21 20:15:39 +0000
committerKaveh Ghazi <ghazi@gcc.gnu.org>2003-02-21 20:15:39 +0000
commit64c7e556ab3dd5af040d393383a557696522ecaa (patch)
tree8952d0661c6f4e242d8bec701c82d491b43c1711 /libiberty/physmem.c
parent934b8c40fe91d6d3bb28a998d2f6872fff4fc9e9 (diff)
downloadgcc-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.c61
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:
+*/