/* Get the system load averages.
Copyright (C) 1985, 1986, 1987, 1988, 1989, 1991, 1992, 1993, 1994,
- 1995, 1997, 1999, 2000, 2003, 2004 Free Software Foundation, Inc.
+ 1995, 1997, 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
NOTE: The canonical source of this file is maintained with gnulib.
Bugs can be reported to bug-gnulib@gnu.org.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
USA. */
/* Compile-time symbols that this file uses:
AC_CHECK_FUNCS(pstat_getdynamic) in your
configure.in file.
FIXUP_KERNEL_SYMBOL_ADDR() Adjust address in returned struct nlist.
- KERNEL_FILE Pathname of the kernel to nlist.
+ KERNEL_FILE Name of the kernel file to nlist.
LDAV_CVT() Scale the load average from the kernel.
Returns a double.
LDAV_SYMBOL Name of kernel symbol giving load average.
# include "c-strtod.h"
# include "cloexec.h"
+# include "intprops.h"
# include "xalloc.h"
/* The existing Emacs configuration files define a macro called
# include <unistd.h>
# endif
-# include <limits.h>
-
/* LOAD_AVE_TYPE should only get defined if we're going to use the
nlist method. */
# if !defined (LOAD_AVE_TYPE) && (defined (BSD) || defined (LDAV_CVT) || defined (KERNEL_FILE) || defined (LDAV_SYMBOL))
# include <sys/dg_sys_info.h>
# endif
-# if defined (HAVE_FCNTL_H) || defined (_POSIX_VERSION)
-# include <fcntl.h>
-# else
-# include <sys/file.h>
-# endif
+# include <fcntl.h>
+
+# include "unistd-safer.h"
\f
/* Avoid static vars inside a function since in HPUX they dump as pure. */
# define LINUX_LDAV_FILE "/proc/loadavg"
# endif
-/* Upper bound on the string length of an integer converted to string.
- 302 / 1000 is ceil (log10 (2.0)). Subtract 1 for the sign bit;
- add 1 for integer division truncation; add 1 more for a minus sign. */
-# define INT_STRLEN_BOUND(t) ((sizeof (t) * CHAR_BIT - 1) * 302 / 1000 + 2)
-
char ldavgbuf[3 * (INT_STRLEN_BOUND (long int) + sizeof ".00")];
char const *ptr = ldavgbuf;
int fd, count;
if (!getloadavg_initialized)
{
# ifndef SUNOS_5
- channel = open ("/dev/kmem", 0);
+ channel = fd_safer (open ("/dev/kmem", O_RDONLY));
if (channel >= 0)
{
/* Set the channel to close on exec, so it does not