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Imported from ../bash-1.14.7.tar.gz.

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Jari Aalto 1996-08-26 18:22:31 +00:00
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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, 1989, 1991 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 1, 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; see the file COPYING. If not, write to the Free Software
Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
$PRODUCES times.c
$BUILTIN times
$FUNCTION times_builtin
$SHORT_DOC times
Print the accumulated user and system times for processes run from
the shell.
$END
#include "../shell.h"
#include <sys/types.h>
#if defined (hpux) || defined (USGr4) || defined (XD88) || defined (USGr3)
# undef HAVE_RESOURCE
#endif /* hpux || USGr4 || XD88 || USGr3 */
#if defined (_POSIX_VERSION) || !defined (HAVE_RESOURCE)
# include <sys/times.h>
#else /* !_POSIX_VERSION && HAVE_RESOURCE */
# include <sys/time.h>
# include <sys/resource.h>
#endif /* !_POSIX_VERSION && HAVE_RESOURCE */
/* Print the totals for system and user time used. The
information comes from variables in jobs.c used to keep
track of this stuff. */
times_builtin (list)
WORD_LIST *list;
{
#if !defined (_POSIX_VERSION) && defined (HAVE_RESOURCE) && defined (RUSAGE_SELF)
struct rusage self, kids;
getrusage (RUSAGE_SELF, &self);
getrusage (RUSAGE_CHILDREN, &kids); /* terminated child processes */
print_timeval (&self.ru_utime);
putchar (' ');
print_timeval (&self.ru_stime);
putchar ('\n');
print_timeval (&kids.ru_utime);
putchar (' ');
print_timeval (&kids.ru_stime);
putchar ('\n');
#else /* _POSIX_VERSION || !HAVE_RESOURCE || !RUSAGE_SELF */
# if !defined (BrainDeath)
struct tms t;
times (&t);
/* As of System V.3, HP-UX 6.5, and other ATT-like systems, this stuff is
returned in terms of clock ticks (HZ from sys/param.h). C'mon, guys.
This kind of stupid clock-dependent stuff is exactly the reason 4.2BSD
introduced the `timeval' struct. */
print_time_in_hz (t.tms_utime);
putchar (' ');
print_time_in_hz (t.tms_stime);
putchar ('\n');
print_time_in_hz (t.tms_cutime);
putchar (' ');
print_time_in_hz (t.tms_cstime);
putchar ('\n');
# endif /* BrainDeath */
#endif /* _POSIX_VERSION || !HAVE_RESOURCE || !RUSAGE_SELF */
return (EXECUTION_SUCCESS);
}