Imported Upstream version 1.4.12

This commit is contained in:
Jan Wagner 2013-11-26 23:55:28 +01:00
parent 1d1585cd09
commit 4ab9f0d24c
291 changed files with 27277 additions and 11364 deletions

View file

@ -1,16 +1,16 @@
/* Get the system load averages.
Copyright (C) 1985, 1986, 1987, 1988, 1989, 1991, 1992, 1993, 1994,
1995, 1997, 1999, 2000, 2003, 2004, 2005, 2006 Free Software
1995, 1997, 1999, 2000, 2003, 2004, 2005, 2006, 2007 Free Software
Foundation, Inc.
NOTE: The canonical source of this file is maintained with gnulib.
Bugs can be reported to bug-gnulib@gnu.org.
This program is free software; you can redistribute it and/or modify
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
the Free Software Foundation; either version 2, or (at your option)
any later version.
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
@ -18,9 +18,7 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
USA. */
along with this program. If not, see <http://www.gnu.org/licenses/>. */
/* Compile-time symbols that this file uses:
@ -32,6 +30,8 @@
If that isn't an option, then just put
AC_CHECK_FUNCS(pstat_getdynamic) in your
configure.in file.
HAVE_LIBPERFSTAT Define this if your system has the
perfstat_cpu_total function in libperfstat (AIX).
FIXUP_KERNEL_SYMBOL_ADDR() Adjust address in returned struct nlist.
KERNEL_FILE Name of the kernel file to nlist.
LDAV_CVT() Scale the load average from the kernel.
@ -188,6 +188,8 @@
# include <sys/socket.h>
# include <net/route.h>
# include <sys/table.h>
/* Tru64 4.0D's table.h redefines sys */
# undef sys
# endif
# if defined (__osf__) && (defined (mips) || defined (__mips__))
@ -254,7 +256,7 @@
# define LOAD_AVE_TYPE long
# endif
# ifdef _AIX
# if defined _AIX && ! defined HAVE_LIBPERFSTAT
# define LOAD_AVE_TYPE long
# endif
@ -309,7 +311,7 @@
# define FSCALE 100.0
# endif
# ifdef _AIX
# if defined _AIX && !defined HAVE_LIBPERFSTAT
# define FSCALE 65536.0
# endif
@ -347,7 +349,7 @@
# define LDAV_SYMBOL "_Loadavg"
# endif
# if !defined (LDAV_SYMBOL) && ((defined (hpux) && !defined (hp9000s300)) || defined (_SEQUENT_) || defined (SVR4) || defined (ISC) || defined (sgi) || (defined (ardent) && defined (titan)) || defined (_AIX))
# if !defined (LDAV_SYMBOL) && ((defined (hpux) && !defined (hp9000s300)) || defined (_SEQUENT_) || defined (SVR4) || defined (ISC) || defined (sgi) || (defined (ardent) && defined (titan)) || (defined (_AIX) && !defined(HAVE_LIBPERFSTAT)))
# define LDAV_SYMBOL "avenrun"
# endif
@ -404,6 +406,14 @@
# endif /* LOAD_AVE_TYPE */
# if defined HAVE_LIBPERFSTAT
# include <libperfstat.h>
# include <sys/proc.h>
# ifndef SBITS
# define SBITS 16
# endif
# endif
# if defined (__GNU__) && !defined (NeXT)
/* Note that NeXT Openstep defines __GNU__ even though it should not. */
/* GNU system acts much like NeXT, for load average purposes,
@ -568,6 +578,22 @@ getloadavg (double loadavg[], int nelem)
# endif /* hpux && HAVE_PSTAT_GETDYNAMIC */
# if ! defined LDAV_DONE && defined HAVE_LIBPERFSTAT
# define LDAV_DONE
# undef LOAD_AVE_TYPE
/* Use perfstat_cpu_total because we don't have to be root. */
{
perfstat_cpu_total_t cpu_stats;
int result = perfstat_cpu_total (NULL, &cpu_stats, sizeof cpu_stats, 1);
if (result == -1)
return result;
loadavg[0] = cpu_stats.loadavg[0] / (double)(1 << SBITS);
loadavg[1] = cpu_stats.loadavg[1] / (double)(1 << SBITS);
loadavg[2] = cpu_stats.loadavg[2] / (double)(1 << SBITS);
elem = 3;
}
# endif
# if !defined (LDAV_DONE) && (defined (__linux__) || defined (__CYGWIN__))
# define LDAV_DONE
# undef LOAD_AVE_TYPE