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2005-11-18 Andreas Tobler <a.tobler@schweiz.ch>
[pf3gnuchains/gcc-fork.git]
/
libiberty
/
clock.c
diff --git
a/libiberty/clock.c
b/libiberty/clock.c
index
b204566
..
07d902e
100644
(file)
--- a/
libiberty/clock.c
+++ b/
libiberty/clock.c
@@
-1,5
+1,5
@@
/* ANSI-compatible clock function.
/* ANSI-compatible clock function.
- Copyright (C) 1994, 1995 Free Software Foundation, Inc.
+ Copyright (C) 1994, 1995
, 1999
Free Software Foundation, Inc.
This file is part of the libiberty library. This library is free
software; you can redistribute it and/or modify it under the
This file is part of the libiberty library. This library is free
software; you can redistribute it and/or modify it under the
@@
-14,7
+14,7
@@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 5
9 Temple Place - Suite 330, Boston, MA 02111-1307
, USA.
+the Free Software Foundation, 5
1 Franklin Street - Fifth Floor, Boston, MA 02110-1301
, USA.
As a special exception, if you link this library with files
compiled with a GNU compiler to produce an executable, this does not cause
As a special exception, if you link this library with files
compiled with a GNU compiler to produce an executable, this does not cause
@@
-22,6
+22,18
@@
the resulting executable to be covered by the GNU General Public License.
This exception does not however invalidate any other reasons why
the executable file might be covered by the GNU General Public License. */
This exception does not however invalidate any other reasons why
the executable file might be covered by the GNU General Public License. */
+/*
+
+@deftypefn Supplemental long clock (void)
+
+Returns an approximation of the CPU time used by the process as a
+@code{clock_t}; divide this number by @samp{CLOCKS_PER_SEC} to get the
+number of seconds used.
+
+@end deftypefn
+
+*/
+
#include "config.h"
#ifdef HAVE_GETRUSAGE
#include "config.h"
#ifdef HAVE_GETRUSAGE
@@
-36,10
+48,26
@@
the executable file might be covered by the GNU General Public License. */
#include <sys/times.h>
#endif
#include <sys/times.h>
#endif
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#ifdef _SC_CLK_TCK
+#define GNU_HZ sysconf(_SC_CLK_TCK)
+#else
+#ifdef HZ
+#define GNU_HZ HZ
+#else
+#ifdef CLOCKS_PER_SEC
+#define GNU_HZ CLOCKS_PER_SEC
+#endif
+#endif
+#endif
+
/* FIXME: should be able to declare as clock_t. */
long
/* FIXME: should be able to declare as clock_t. */
long
-clock ()
+clock (
void
)
{
#ifdef HAVE_GETRUSAGE
struct rusage rusage;
{
#ifdef HAVE_GETRUSAGE
struct rusage rusage;
@@
-52,7
+80,7
@@
clock ()
struct tms tms;
times (&tms);
struct tms tms;
times (&tms);
- return (tms.tms_utime + tms.tms_stime) * (1000000 / HZ);
+ return (tms.tms_utime + tms.tms_stime) * (1000000 /
GNU_
HZ);
#else
#ifdef VMS
struct
#else
#ifdef VMS
struct