libiberty.h (physmem_total, [...]): Prototype.
include: * libiberty.h (physmem_total, physmem_available): Prototype. libiberty: * Makefile.in (CFILES): Add physmem.c. (REQUIRED_OFILES): Add physmem.o. * configure.in: Check for sys/pstat.h. (checkfuncs): Add pstat_getstatic and pstat_getdynamic. * physmem.c: New file, copied from textutils. * config.in, configure: Regenerated. From-SVN: r63198
This commit is contained in:
Kaveh R. Ghazi
Kaveh Ghazi
parent
763b929241
commit
a354191ebf
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@ -1,3 +1,7 @@
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2003-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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* libiberty.h (physmem_total, physmem_available): Prototype.
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2003-02-20 Daniel Jacobowitz <drow@mvista.com>
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* libiberty.h (lrealpath): Add declaration.
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@ -246,6 +246,10 @@ extern char *xstrdup PARAMS ((const char *)) ATTRIBUTE_MALLOC;
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extern PTR xmemdup PARAMS ((const PTR, size_t, size_t)) ATTRIBUTE_MALLOC;
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/* Physical memory routines. */
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extern double physmem_total PARAMS ((void));
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extern double physmem_available PARAMS ((void));
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/* hex character manipulation routines */
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#define _hex_array_size 256
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@ -1,3 +1,13 @@
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2003-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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* Makefile.in (CFILES): Add physmem.c.
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(REQUIRED_OFILES): Add physmem.o.
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* configure.in: Check for sys/pstat.h.
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(checkfuncs): Add pstat_getstatic and pstat_getdynamic.
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* physmem.c: New file, copied from textutils.
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* config.in, configure: Regenerated.
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2003-02-20 Daniel Jacobowitz <drow@mvista.com>
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* Makefile.in (CFILES): Add lrealpath.c.
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@ -145,7 +145,7 @@ CFILES = alloca.c argv.c asprintf.c atexit.c \
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partition.c \
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pex-djgpp.c pex-mpw.c pex-msdos.c pex-os2.c \
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pex-unix.c pex-win32.c \
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putenv.c \
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physmem.c putenv.c \
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random.c regex.c rename.c rindex.c \
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safe-ctype.c setenv.c sigsetmask.c sort.c spaces.c \
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splay-tree.c strcasecmp.c strchr.c strdup.c strerror.c \
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@ -170,7 +170,7 @@ REQUIRED_OFILES = regex.o cplus-dem.o cp-demangle.o md5.o \
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make-relative-prefix.o \
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make-temp-file.o \
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objalloc.o obstack.o \
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partition.o @pexecute@ \
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partition.o physmem.o @pexecute@ \
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safe-ctype.o sort.o spaces.o splay-tree.o strerror.o \
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strsignal.o \
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ternary.o \
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@ -1,4 +1,4 @@
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/* config.in. Generated automatically from configure.in by autoheader 2.13. */
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/* config.in. Generated automatically from configure.in by autoheader. */
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/* Define to empty if the keyword does not work. */
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#undef const
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@ -222,6 +222,9 @@
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/* Define if you have the <sys/param.h> header file. */
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#undef HAVE_SYS_PARAM_H
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/* Define if you have the <sys/pstat.h> header file. */
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#undef HAVE_SYS_PSTAT_H
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/* Define if you have the <sys/resource.h> header file. */
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#undef HAVE_SYS_RESOURCE_H
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@ -1356,7 +1356,7 @@ else
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fi
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echo "$ac_t""$CPP" 1>&6
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for ac_hdr in sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h
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for ac_hdr in sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h
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do
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ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
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echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
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@ -1738,7 +1738,7 @@ funcs="$funcs waitpid"
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vars="sys_errlist sys_nerr sys_siglist"
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checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday"
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checkfuncs="$checkfuncs realpath canonicalize_file_name"
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checkfuncs="$checkfuncs realpath canonicalize_file_name pstat_getstatic pstat_getdynamic"
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# These are neither executed nor required, but they help keep
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# autoheader happy without adding a bunch of text to acconfig.h.
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@ -142,7 +142,7 @@ AC_SUBST_FILE(host_makefile_frag)
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# It's OK to check for header files. Although the compiler may not be
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# able to link anything, it had better be able to at least compile
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# something.
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AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h)
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AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h)
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AC_HEADER_SYS_WAIT
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AC_HEADER_TIME
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@ -207,7 +207,7 @@ funcs="$funcs waitpid"
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vars="sys_errlist sys_nerr sys_siglist"
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checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday"
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checkfuncs="$checkfuncs realpath canonicalize_file_name"
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checkfuncs="$checkfuncs realpath canonicalize_file_name pstat_getstatic pstat_getdynamic"
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# These are neither executed nor required, but they help keep
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# autoheader happy without adding a bunch of text to acconfig.h.
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@ -0,0 +1,92 @@
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/* Calculate the size of physical memory.
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Copyright 2000, 2001 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* Written by Paul Eggert. */
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif
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#if HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#if HAVE_SYS_PSTAT_H
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# include <sys/pstat.h>
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#endif
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/* Return the total amount of physical memory. */
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double
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physmem_total (void)
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{
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#if defined _SC_PHYS_PAGES && defined _SC_PAGESIZE
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{
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double pages = sysconf (_SC_PHYS_PAGES);
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double pagesize = sysconf (_SC_PAGESIZE);
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if (0 <= pages && 0 <= pagesize)
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return pages * pagesize;
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}
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#endif
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#if HAVE_PSTAT_GETSTATIC
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{
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struct pst_static pss;
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if (0 <= pstat_getstatic (&pss, sizeof pss, 1, 0))
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{
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double pages = pss.physical_memory;
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double pagesize = pss.page_size;
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if (0 <= pages && 0 <= pagesize)
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return pages * pagesize;
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}
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}
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#endif
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/* Return 0 if we can't determine the value. */
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return 0;
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}
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/* Return the amount of physical memory available. */
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double
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physmem_available (void)
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{
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#if defined _SC_AVPHYS_PAGES && defined _SC_PAGESIZE
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{
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double pages = sysconf (_SC_AVPHYS_PAGES);
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double pagesize = sysconf (_SC_PAGESIZE);
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if (0 <= pages && 0 <= pagesize)
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return pages * pagesize;
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}
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#endif
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#if HAVE_PSTAT_GETSTATIC && HAVE_PSTAT_GETDYNAMIC
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{
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struct pst_static pss;
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struct pst_dynamic psd;
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if (0 <= pstat_getstatic (&pss, sizeof pss, 1, 0)
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&& 0 <= pstat_getdynamic (&psd, sizeof psd, 1, 0))
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{
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double pages = psd.psd_free;
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double pagesize = pss.page_size;
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if (0 <= pages && 0 <= pagesize)
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return pages * pagesize;
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}
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}
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#endif
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/* Guess 25% of physical memory. */
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return physmem_total () / 4;
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}
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