mirror of https://github.com/n-hys/bash.git
120 lines
2.7 KiB
Modula-2
120 lines
2.7 KiB
Modula-2
This file is times.def, from which is created times.c.
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It implements the builtin "times" in Bash.
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Copyright (C) 1987-2009 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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Bash is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Bash is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bash. If not, see <http://www.gnu.org/licenses/>.
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$PRODUCES times.c
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$BUILTIN times
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$FUNCTION times_builtin
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$SHORT_DOC times
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Display process times.
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Prints the accumulated user and system times for the shell and all of its
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child processes.
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Exit Status:
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Always succeeds.
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$END
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#include <config.h>
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#if defined (HAVE_UNISTD_H)
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# ifdef _MINIX
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# include <sys/types.h>
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# endif
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# include <unistd.h>
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#endif
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#include <stdio.h>
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#include "../bashtypes.h"
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#include "../shell.h"
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#include <posixtime.h>
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#if defined (HAVE_SYS_TIMES_H)
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# include <sys/times.h>
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#endif /* HAVE_SYS_TIMES_H */
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#if defined (HAVE_SYS_RESOURCE_H) && !defined (RLIMTYPE)
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# include <sys/resource.h>
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#endif
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#include "common.h"
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/* Print the totals for system and user time used. */
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int
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times_builtin (list)
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WORD_LIST *list;
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{
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#if defined (HAVE_GETRUSAGE) && defined (HAVE_TIMEVAL) && defined (RUSAGE_SELF)
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struct rusage self, kids;
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USE_VAR(list);
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if (no_options (list))
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return (EX_USAGE);
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getrusage (RUSAGE_SELF, &self);
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getrusage (RUSAGE_CHILDREN, &kids); /* terminated child processes */
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print_timeval (stdout, &self.ru_utime);
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putchar (' ');
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print_timeval (stdout, &self.ru_stime);
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putchar ('\n');
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print_timeval (stdout, &kids.ru_utime);
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putchar (' ');
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print_timeval (stdout, &kids.ru_stime);
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putchar ('\n');
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#else
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# if defined (HAVE_TIMES)
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/* This uses the POSIX.1/XPG5 times(2) interface, which fills in a
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`struct tms' with values of type clock_t. */
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struct tms t;
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USE_VAR(list);
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if (no_options (list))
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return (EX_USAGE);
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times (&t);
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print_clock_t (stdout, t.tms_utime);
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putchar (' ');
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print_clock_t (stdout, t.tms_stime);
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putchar ('\n');
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print_clock_t (stdout, t.tms_cutime);
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putchar (' ');
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print_clock_t (stdout, t.tms_cstime);
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putchar ('\n');
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# else /* !HAVE_TIMES */
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USE_VAR(list);
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if (no_options (list))
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return (EX_USAGE);
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printf ("0.00 0.00\n0.00 0.00\n");
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# endif /* HAVE_TIMES */
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#endif /* !HAVE_TIMES */
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return (sh_chkwrite (EXECUTION_SUCCESS));
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}
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