[! IN_GCC && HAVE_SYS_TIME_H]: Include <sys/time.h>.

Update copyright date and clarify comments.
(get_time) [IN_GCC]: Keep the GCC version for reference.

Merge GCC changes.  Change "GCC" to "Bison" in the copyright notice.
This commit is contained in:
Paul Eggert
2002-10-13 05:56:20 +00:00
parent ea9ed226e0
commit fdabfd76d6

View File

@@ -1,29 +1,46 @@
/* Timing variables for measuring compiler performance.
Copyright (C) 2000 Free Software Foundation, Inc.
Copyright (C) 2000, 2002 Free Software Foundation, Inc.
Contributed by Alex Samuel <samuel@codesourcery.com>
This file is part of GCC.
This file is part of Bison, the GNU Compiler Compiler.
GCC is free software; you can redistribute it and/or modify it under
Bison 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.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
Bison is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
along with Bison; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#if IN_GCC
#include "config.h"
#include "system.h"
#include "intl.h"
#include "rtl.h"
#else
/* This source file is taken from the GCC source code, with slight
modifications that are under control of the IN_GCC preprocessor
variable. The !IN_GCC part of this file is specific to Bison. */
# include "../src/system.h"
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# endif
int time_report = 0;
#endif
#ifdef HAVE_SYS_TIMES_H
# include <sys/times.h>
#endif
@@ -109,7 +126,9 @@ static float clocks_to_msec;
#define CLOCKS_TO_MSEC (1 / (float)CLOCKS_PER_SEC)
#endif
#if IN_GCC
#include "flags.h"
#endif
#include "timevar.h"
/* See timevar.h for an explanation of timing variables. */
@@ -193,12 +212,21 @@ get_time (now)
#ifdef USE_TIMES
struct tms tms;
now->wall = times (&tms) * ticks_to_msec;
#if IN_GCC
now->user = tms.tms_utime * ticks_to_msec;
now->sys = tms.tms_stime * ticks_to_msec;
#else
now->user = (tms.tms_utime + tms.tms_cutime) * ticks_to_msec;
now->sys = (tms.tms_stime + tms.tms_cstime) * ticks_to_msec;
#endif
#endif
#ifdef USE_GETRUSAGE
struct rusage rusage;
#if IN_GCC
getrusage (RUSAGE_SELF, &rusage);
#else
getrusage (RUSAGE_CHILDREN, &rusage);
#endif
now->user = rusage.ru_utime.tv_sec + rusage.ru_utime.tv_usec * 1e-6;
now->sys = rusage.ru_stime.tv_sec + rusage.ru_stime.tv_usec * 1e-6;
#endif