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This file is times.def, from which is created times.c.
It implements the builtin "times" in Bash.
Copyright (C) 1987-2009 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash 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 3 of the License, or
(at your option) any later version.
Bash 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 Bash. If not, see <http://www.gnu.org/licenses/>.
$PRODUCES times.c
$BUILTIN times
$FUNCTION times_builtin
$SHORT_DOC times
Display process times.
Prints the accumulated user and system times for the shell and all of its
child processes.
Exit Status:
Always succeeds.
$END
#include <config.h>
#if defined (HAVE_UNISTD_H)
# ifdef _MINIX
# include <sys/types.h>
# endif
# include <unistd.h>
#endif
#include <stdio.h>
#include "../bashtypes.h"
#include "../shell.h"
#include <posixtime.h>
#if defined (HAVE_SYS_TIMES_H)
# include <sys/times.h>
#endif /* HAVE_SYS_TIMES_H */
#if defined (HAVE_SYS_RESOURCE_H) && !defined (RLIMTYPE)
# include <sys/resource.h>
#endif
#include "common.h"
/* Print the totals for system and user time used. */
int
times_builtin (list)
WORD_LIST *list;
{
#if defined (HAVE_GETRUSAGE) && defined (HAVE_TIMEVAL) && defined (RUSAGE_SELF)
struct rusage self, kids;
USE_VAR(list);
if (no_options (list))
return (EX_USAGE);
getrusage (RUSAGE_SELF, &self);
getrusage (RUSAGE_CHILDREN, &kids); /* terminated child processes */
print_timeval (stdout, &self.ru_utime);
putchar (' ');
print_timeval (stdout, &self.ru_stime);
putchar ('\n');
print_timeval (stdout, &kids.ru_utime);
putchar (' ');
print_timeval (stdout, &kids.ru_stime);
putchar ('\n');
#else
# if defined (HAVE_TIMES)
/* This uses the POSIX.1/XPG5 times(2) interface, which fills in a
`struct tms' with values of type clock_t. */
struct tms t;
USE_VAR(list);
if (no_options (list))
return (EX_USAGE);
times (&t);
print_clock_t (stdout, t.tms_utime);
putchar (' ');
print_clock_t (stdout, t.tms_stime);
putchar ('\n');
print_clock_t (stdout, t.tms_cutime);
putchar (' ');
print_clock_t (stdout, t.tms_cstime);
putchar ('\n');
# else /* !HAVE_TIMES */
USE_VAR(list);
if (no_options (list))
return (EX_USAGE);
printf ("0.00 0.00\n0.00 0.00\n");
# endif /* HAVE_TIMES */
#endif /* !HAVE_TIMES */
return (sh_chkwrite (EXECUTION_SUCCESS));
}
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