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Increase clock resolution for system_clock_8.

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From-SVN: r155359
This commit is contained in:
Janne Blomqvist 2009-12-19 12:43:11 +02:00
parent 2a5e9d165e
commit a8572b62e7
2 changed files with 12 additions and 6 deletions
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7
libgfortran/ChangeLog
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@ -1,3 +1,10 @@
2009-12-19 Janne Blomqvist <jb@gcc.gnu.org>
* intrinsics/system_clock.c: Fix library name in comment, move TCK
definition into functions.
(system_clock_4): Remove unused struct timezone.
(system_clock_8): Remove unused struct timezone, increase TCK.
2009-12-08 Tobias Burnus <burnus@net-b.de>
PR fortran/41711

11
libgfortran/intrinsics/system_clock.c
View File

@ -1,7 +1,7 @@
/* Implementation of the SYSTEM_CLOCK intrinsic.
Copyright (C) 2004, 2005, 2007, 2009 Free Software Foundation, Inc.
This file is part of the GNU Fortran 95 runtime library (libgfortran).
This file is part of the GNU Fortran runtime library (libgfortran).
Libgfortran is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
@ -28,7 +28,6 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#if defined(HAVE_SYS_TIME_H) && defined(HAVE_GETTIMEOFDAY)
# include <sys/time.h>
# define TCK 1000
#elif defined(HAVE_TIME_H)
# include <time.h>
# define TCK 1
@ -57,13 +56,13 @@ system_clock_4(GFC_INTEGER_4 *count, GFC_INTEGER_4 *count_rate,
GFC_INTEGER_4 mx;
#if defined(HAVE_SYS_TIME_H) && defined(HAVE_GETTIMEOFDAY)
#define TCK 1000
struct timeval tp1;
struct timezone tzp;
if (sizeof (tp1.tv_sec) < sizeof (GFC_INTEGER_4))
internal_error (NULL, "tv_sec too small");
if (gettimeofday(&tp1, &tzp) == 0)
if (gettimeofday(&tp1, NULL) == 0)
{
GFC_UINTEGER_4 ucnt = (GFC_UINTEGER_4) tp1.tv_sec * TCK;
ucnt += (tp1.tv_usec + 500000 / TCK) / (1000000 / TCK);
@ -118,13 +117,13 @@ system_clock_8 (GFC_INTEGER_8 *count, GFC_INTEGER_8 *count_rate,
GFC_INTEGER_8 mx;
#if defined(HAVE_SYS_TIME_H) && defined(HAVE_GETTIMEOFDAY)
#define TCK 1000000
struct timeval tp1;
struct timezone tzp;
if (sizeof (tp1.tv_sec) < sizeof (GFC_INTEGER_4))
internal_error (NULL, "tv_sec too small");
if (gettimeofday(&tp1, &tzp) == 0)
if (gettimeofday(&tp1, NULL) == 0)
{
if (sizeof (tp1.tv_sec) < sizeof (GFC_INTEGER_8))
{