1This file is times.def, from which is created times.c.
2It implements the builtin "times" in Bash.
3
4Copyright (C) 1987-2002 Free Software Foundation, Inc.
5
6This file is part of GNU Bash, the Bourne Again SHell.
7
8Bash is free software; you can redistribute it and/or modify it under
9the terms of the GNU General Public License as published by the Free
10Software Foundation; either version 2, or (at your option) any later
11version.
12
13Bash is distributed in the hope that it will be useful, but WITHOUT ANY
14WARRANTY; without even the implied warranty of MERCHANTABILITY or
15FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
16for more details.
17
18You should have received a copy of the GNU General Public License along
19with Bash; see the file COPYING.  If not, write to the Free Software
20Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA.
21
22$PRODUCES times.c
23
24$BUILTIN times
25$FUNCTION times_builtin
26$SHORT_DOC times
27Print the accumulated user and system times for processes run from
28the shell.
29$END
30
31#include <config.h>
32
33#if defined (HAVE_UNISTD_H)
34#  ifdef _MINIX
35#    include <sys/types.h>
36#  endif
37#  include <unistd.h>
38#endif
39
40#include <stdio.h>
41#include "../bashtypes.h"
42#include "../shell.h"
43
44#include <posixtime.h>
45
46#if defined (HAVE_SYS_TIMES_H)
47#  include <sys/times.h>
48#endif /* HAVE_SYS_TIMES_H */
49
50#if defined (HAVE_SYS_RESOURCE_H) && !defined (RLIMTYPE)
51#  include <sys/resource.h>
52#endif
53
54#include "common.h"
55
56/* Print the totals for system and user time used. */
57int
58times_builtin (list)
59     WORD_LIST *list;
60{
61#if defined (HAVE_GETRUSAGE) && defined (HAVE_TIMEVAL) && defined (RUSAGE_SELF)
62  struct rusage self, kids;
63
64  USE_VAR(list);
65
66  if (no_options (list))
67    return (EX_USAGE);
68
69  getrusage (RUSAGE_SELF, &self);
70  getrusage (RUSAGE_CHILDREN, &kids);	/* terminated child processes */
71
72  print_timeval (stdout, &self.ru_utime);
73  putchar (' ');
74  print_timeval (stdout, &self.ru_stime);
75  putchar ('\n');
76  print_timeval (stdout, &kids.ru_utime);
77  putchar (' ');
78  print_timeval (stdout, &kids.ru_stime);
79  putchar ('\n');
80
81#else
82#  if defined (HAVE_TIMES)
83  /* This uses the POSIX.1/XPG5 times(2) interface, which fills in a 
84     `struct tms' with values of type clock_t. */
85  struct tms t;
86
87  USE_VAR(list);
88
89  if (no_options (list))
90    return (EX_USAGE);
91
92  times (&t);
93
94  print_clock_t (stdout, t.tms_utime);
95  putchar (' ');
96  print_clock_t (stdout, t.tms_stime);
97  putchar ('\n');
98  print_clock_t (stdout, t.tms_cutime);
99  putchar (' ');
100  print_clock_t (stdout, t.tms_cstime);
101  putchar ('\n');
102
103#  else /* !HAVE_TIMES */
104
105  USE_VAR(list);
106
107  if (no_options (list))
108    return (EX_USAGE);
109  printf ("0.00 0.00\n0.00 0.00\n");
110
111#  endif /* HAVE_TIMES */
112#endif /* !HAVE_TIMES */
113
114  return (EXECUTION_SUCCESS);
115}
116