sysdeps/unix/sysv/linux/bits/waitflags.h

   1 /* Definitions of flag bits for `waitpid' et al.
   2    Copyright (C) 1992-2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library 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 GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #if !defined _SYS_WAIT_H && !defined _STDLIB_H
  20 # error "Never include <bits/waitflags.h> directly; use <sys/wait.h> instead."
  21 #endif
  22
  23
  24 /* Bits in the third argument to `waitpid'.  */
  25 #define WNOHANG         1       /* Don't block waiting.  */
  26 #define WUNTRACED       2       /* Report status of stopped children.  */
  27
  28 /* Bits in the fourth argument to `waitid'.  */
  29 #define WSTOPPED        2       /* Report stopped child (same as WUNTRACED). */
  30 #define WEXITED         4       /* Report dead child.  */
  31 #define WCONTINUED      8       /* Report continued child.  */
  32 #define WNOWAIT         0x01000000 /* Don't reap, just poll status.  */
  33
  34 #define __WNOTHREAD     0x20000000 /* Don't wait on children of other threads
  35                                       in this group */
  36 #define __WALL          0x40000000 /* Wait for any child.  */
  37 #define __WCLONE        0x80000000 /* Wait for cloned process.  */