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author | Jeff Law <law@gcc.gnu.org> | 1998-03-22 11:34:31 -0700 |
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committer | Jeff Law <law@gcc.gnu.org> | 1998-03-22 11:34:31 -0700 |
commit | 7e98cc1669aa89f173041d8be8156db0f7bcdaec (patch) | |
tree | e5e9d5ec73da92f006aba3b3968ac7f0d7f224d9 /libf2c | |
parent | 2731cc566bbf5cd7a3ec87dab2816c72d6c58516 (diff) | |
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Initial revision
From-SVN: r18760
Diffstat (limited to 'libf2c')
-rw-r--r-- | libf2c/libU77/system_clock_.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/libf2c/libU77/system_clock_.c b/libf2c/libU77/system_clock_.c new file mode 100644 index 0000000..d5cbaac --- /dev/null +++ b/libf2c/libU77/system_clock_.c @@ -0,0 +1,64 @@ +/* Copyright (C) 1996 Free Software Foundation, Inc. +This file is part of GNU Fortran libU77 library. + +This library 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. + +GNU Fortran 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 GNU Fortran; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif +#if TIME_WITH_SYS_TIME +# include <sys/time.h> +# include <time.h> +#else +# if HAVE_SYS_TIME_H +# include <sys/time.h> +# else +# include <time.h> +# endif +#endif +#include <sys/times.h> +#include <limits.h> +#if HAVE_UNISTD_H +# include <unistd.h> +#endif +#include "f2c.h" + +#ifdef KR_headers +int G77_system_clock_0 (count, count_rate, count_max) + integer *count, *count_rate, *count_max; +#else +int G77_system_clock_0 (integer *count, integer *count_rate, integer *count_max) +#endif +{ + struct tms buffer; + unsigned long cnt; +#ifdef _SC_CLK_TCK + *count_rate = sysconf(_SC_CLK_TCK); +#elif defined CLOCKS_PER_SECOND + *count_rate = CLOCKS_PER_SECOND; +#elif defined CLK_TCK + *count_rate = CLK_TCK; +#else + #error Dont know clock tick length +#endif + *count_max = INT_MAX; /* dubious */ + cnt = times (&buffer); + if (cnt > (unsigned long) (*count_max)) + *count = *count_max; /* also dubious */ + else + *count = cnt; + return 0; +} |