include/systimes.h

   1 /* Copyright (C) 1991, 1992, 1996, 2008,2009 Free Software Foundation, Inc.
   2
   3    This file is part of GNU Bash, the Bourne Again SHell.
   4
   5    Bash is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation, either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    Bash is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with Bash.  If not, see <http://www.gnu.org/licenses/>.
  17 */
  18
  19 /*
  20  *      POSIX Standard: 4.5.2 Process Times     <sys/times.h>
  21  */
  22
  23 /*
  24  * If we don't have a standard system clock_t type, this must be included
  25  * after config.h
  26  */
  27
  28 #ifndef _BASH_SYSTIMES_H
  29 #define _BASH_SYSTIMES_H        1
  30
  31 #if defined (HAVE_SYS_TIMES_H)
  32 #  include <sys/times.h>
  33 #else /* !HAVE_SYS_TIMES_H */
  34
  35 #include <stdc.h>
  36
  37 /* Structure describing CPU time used by a process and its children.  */
  38 struct tms
  39   {
  40     clock_t tms_utime;          /* User CPU time.  */
  41     clock_t tms_stime;          /* System CPU time.  */
  42
  43     clock_t tms_cutime;         /* User CPU time of dead children.  */
  44     clock_t tms_cstime;         /* System CPU time of dead children.  */
  45   };
  46
  47 /* Store the CPU time used by this process and all its
  48    dead descendents in BUFFER.
  49    Return the elapsed real time from an arbitrary point in the
  50    past (the bash emulation uses the epoch), or (clock_t) -1 for
  51    errors.  All times are in CLK_TCKths of a second.  */
  52 extern clock_t times __P((struct tms *buffer));
  53
  54 #endif /* !HAVE_SYS_TIMES_H */
  55 #endif /* _BASH_SYSTIMES_H */