libopkg/xsystem.h

   1 /* xsystem.h - system(3) with error messages
   2
   3    Carl D. Worth
   4
   5    Copyright (C) 2001 University of Southern California
   6
   7    This program is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU General Public License as
   9    published by the Free Software Foundation; either version 2, or (at
  10    your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful, but
  13    WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    General Public License for more details.
  16 */
  17
  18 #ifndef XSYSTEM_H
  19 #define XSYSTEM_H
  20
  21 /* Like system(3), but with error messages printed if the fork fails
  22    or if the child process dies due to an uncaught signal. Also, the
  23    return value is a bit simpler:
  24
  25    -1 if there was any problem
  26    Otherwise, the 8-bit return value of the program ala WEXITSTATUS
  27    as defined in <sys/wait.h>.
  28 */
  29 int xsystem(const char *argv[]);
  30
  31 #endif
  32