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Diffstat (limited to 'contrib/gcc/getruntime.c')
-rw-r--r-- | contrib/gcc/getruntime.c | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/contrib/gcc/getruntime.c b/contrib/gcc/getruntime.c deleted file mode 100644 index 3f7dc0d..0000000 --- a/contrib/gcc/getruntime.c +++ /dev/null @@ -1,116 +0,0 @@ -/* Return time used so far, in microseconds. - Copyright (C) 1994, 1999, 2002 Free Software Foundation, Inc. - -This file is part of the libiberty library. -Libiberty is free software; you can redistribute it and/or -modify it under the terms of the GNU Library General Public -License as published by the Free Software Foundation; either -version 2 of the License, or (at your option) any later version. - -Libiberty 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 -Library General Public License for more details. - -You should have received a copy of the GNU Library General Public -License along with libiberty; see the file COPYING.LIB. If -not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -#include "config.h" - -#include "ansidecl.h" -#include "libiberty.h" - -/* On some systems (such as WindISS), you must include <sys/types.h> - to get the definition of "time_t" before you include <time.h>. */ -#include <sys/types.h> - -/* There are several ways to get elapsed execution time; unfortunately no - single way is available for all host systems, nor are there reliable - ways to find out which way is correct for a given host. */ - -#ifdef TIME_WITH_SYS_TIME -# include <sys/time.h> -# include <time.h> -#else -# if HAVE_SYS_TIME_H -# include <sys/time.h> -# else -# ifdef HAVE_TIME_H -# include <time.h> -# endif -# endif -#endif - -#if defined (HAVE_GETRUSAGE) && defined (HAVE_SYS_RESOURCE_H) -#include <sys/resource.h> -#endif - -#ifdef HAVE_TIMES -#ifdef HAVE_SYS_PARAM_H -#include <sys/param.h> -#endif -#include <sys/times.h> -#endif - -#ifdef HAVE_UNISTD_H -#include <unistd.h> -#endif - -/* This is a fallback; if wrong, it will likely make obviously wrong - results. */ - -#ifndef CLOCKS_PER_SEC -#define CLOCKS_PER_SEC 1 -#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 - -/* - -@deftypefn Replacement long get_run_time (void) - -Returns the time used so far, in microseconds. If possible, this is -the time used by this process, else it is the elapsed time since the -process started. - -@end deftypefn - -*/ - -long -get_run_time () -{ -#if defined (HAVE_GETRUSAGE) && defined (HAVE_SYS_RESOURCE_H) - struct rusage rusage; - - getrusage (0, &rusage); - return (rusage.ru_utime.tv_sec * 1000000 + rusage.ru_utime.tv_usec - + rusage.ru_stime.tv_sec * 1000000 + rusage.ru_stime.tv_usec); -#else /* ! HAVE_GETRUSAGE */ -#ifdef HAVE_TIMES - struct tms tms; - - times (&tms); - return (tms.tms_utime + tms.tms_stime) * (1000000 / GNU_HZ); -#else /* ! HAVE_TIMES */ - /* Fall back on clock and hope it's correctly implemented. */ - const long clocks_per_sec = CLOCKS_PER_SEC; - if (clocks_per_sec <= 1000000) - return clock () * (1000000 / clocks_per_sec); - else - return clock () / clocks_per_sec; -#endif /* HAVE_TIMES */ -#endif /* HAVE_GETRUSAGE */ -} |