physmem.c (physmem_total): Use getsysinfo on Tru64 UNIX.

	* physmem.c (physmem_total) [HAVE_GETSYSINFO]: Use getsysinfo on
	Tru64 UNIX.
	(physmem_available) [HAVE_TABLE && HAVE_SYS_TABLE_H]: Use table on
	Tru64 UNIX.

	* configure.in (AC_CHECK_HEADERS): Check for sys/sysinfo.h,
	machine/hal_sysinfo.h, sys/table.h.
	(checkfuncs, AC_CHECKFUNCS): Check for getsysinfo, table.
	* configure, config.in: Regenerate.

From-SVN: r63241

libiberty/ChangeLog

+2003-02-21  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+	* physmem.c (physmem_total) [HAVE_GETSYSINFO]: Use getsysinfo on
+	Tru64 UNIX.
+	(physmem_available) [HAVE_TABLE && HAVE_SYS_TABLE_H]: Use table on
+	Tru64 UNIX.
+
+	* configure.in (AC_CHECK_HEADERS): Check for sys/sysinfo.h,
+	machine/hal_sysinfo.h, sys/table.h.
+	(checkfuncs, AC_CHECKFUNCS): Check for getsysinfo, table.
+	* configure, config.in: Regenerate.
+
 2003-02-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* configure.in: Check for sys/sysmp.h and sysmp.

libiberty/config.in

@@ -81,6 +81,9 @@
 /* Define if you have the getrusage function.  */
 #undef HAVE_GETRUSAGE
 
+/* Define if you have the getsysinfo function.  */
+#undef HAVE_GETSYSINFO
+
 /* Define if you have the gettimeofday function.  */
 #undef HAVE_GETTIMEOFDAY
 
@@ -183,6 +186,9 @@
 /* Define if you have the sysmp function.  */
 #undef HAVE_SYSMP
 
+/* Define if you have the table function.  */
+#undef HAVE_TABLE
+
 /* Define if you have the times function.  */
 #undef HAVE_TIMES
 
@@ -213,6 +219,9 @@
 /* Define if you have the <limits.h> header file.  */
 #undef HAVE_LIMITS_H
 
+/* Define if you have the <machine/hal_sysinfo.h> header file.  */
+#undef HAVE_MACHINE_HAL_SYSINFO_H
+
 /* Define if you have the <stdlib.h> header file.  */
 #undef HAVE_STDLIB_H
 
@@ -240,9 +249,15 @@
 /* Define if you have the <sys/stat.h> header file.  */
 #undef HAVE_SYS_STAT_H
 
+/* Define if you have the <sys/sysinfo.h> header file.  */
+#undef HAVE_SYS_SYSINFO_H
+
 /* Define if you have the <sys/sysmp.h> header file.  */
 #undef HAVE_SYS_SYSMP_H
 
+/* Define if you have the <sys/table.h> header file.  */
+#undef HAVE_SYS_TABLE_H
+
 /* Define if you have the <sys/time.h> header file.  */
 #undef HAVE_SYS_TIME_H
 

libiberty/configure.in

@@ -142,7 +142,7 @@ AC_SUBST_FILE(host_makefile_frag)
 # It's OK to check for header files.  Although the compiler may not be
 # able to link anything, it had better be able to at least compile
 # something.
-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 sys/sysmp.h)
+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 sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h)
 AC_HEADER_SYS_WAIT
 AC_HEADER_TIME
 
@@ -208,6 +208,7 @@ vars="sys_errlist sys_nerr sys_siglist"
 
 checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday"
 checkfuncs="$checkfuncs realpath canonicalize_file_name pstat_getstatic pstat_getdynamic sysmp"
+checkfuncs="$checkfuncs getsysinfo table"
 
 # These are neither executed nor required, but they help keep
 # autoheader happy without adding a bunch of text to acconfig.h.
@@ -219,7 +220,7 @@ if test "x" = "y"; then
   AC_CHECK_FUNCS(strtod strtol strtoul tmpnam vasprintf vfprintf vprintf)
   AC_CHECK_FUNCS(vsprintf waitpid getrusage on_exit psignal strerror strsignal)
   AC_CHECK_FUNCS(sysconf times sbrk gettimeofday ffs)
-  AC_CHECK_FUNCS(pstat_getstatic pstat_getdynamic sysmp)
+  AC_CHECK_FUNCS(pstat_getstatic pstat_getdynamic sysmp getsysinfo table)
   AC_CHECK_FUNCS(realpath canonicalize_file_name)
   AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
   AC_DEFINE(HAVE_SYS_NERR,    1, [Define if you have the sys_nerr variable.])

libiberty/physmem.c

@@ -33,6 +33,15 @@
 #include <sys/sysmp.h>
 #endif
 
+#if HAVE_SYS_SYSINFO_H && HAVE_MACHINE_HAL_SYSINFO_H
+#  include <sys/sysinfo.h>
+#  include <machine/hal_sysinfo.h>
+#endif
+
+#if HAVE_SYS_TABLE_H
+#  include <sys/table.h>
+#endif
+
 #include "libiberty.h"
 
 /* Return the total amount of physical memory.  */
@@ -74,6 +83,21 @@ physmem_total ()
   }
 #endif
 
+#if HAVE_GETSYSINFO
+  { /* This works on Tru64 UNIX V4/5.  */
+    int physmem;
+
+    if (getsysinfo (GSI_PHYSMEM, (caddr_t) &physmem, sizeof (physmem),
+		    NULL, NULL, NULL) == 1)
+      {
+	double kbytes = physmem;
+
+	if (0 <= kbytes)
+	  return kbytes * 1024.0;
+      }
+  }
+#endif
+
   /* Return 0 if we can't determine the value.  */
   return 0;
 }
@@ -119,6 +143,21 @@ physmem_available ()
   }
 #endif
 
+#if HAVE_TABLE && HAVE_SYS_TABLE_H
+  { /* This works on Tru64 UNIX V4/5.  */
+    struct tbl_vmstats vmstats;
+
+    if (table (TBL_VMSTATS, 0, &vmstats, 1, sizeof (vmstats)) == 1)
+      {
+	double pages = vmstats.free_count;
+	double pagesize = vmstats.pagesize;
+
+	if (0 <= pages && 0 <= pagesize)
+	  return pages * pagesize;
+      }
+  }
+#endif
+
   /* Guess 25% of physical memory.  */
   return physmem_total () / 4;
 }