| 1 | /* Definitions of flag bits for `waitpid' et al. |
|---|---|
| 2 | Copyright (C) 1992-2016 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. */ |
| 38 | |
| 39 | /* The following values are used by the `waitid' function. */ |
| 40 | #if defined __USE_XOPEN || defined __USE_XOPEN2K8 |
| 41 | # ifndef __ENUM_IDTYPE_T |
| 42 | # define __ENUM_IDTYPE_T 1 |
| 43 | |
| 44 | /* The Linux kernel defines these bare, rather than an enum, |
| 45 | which causes a conflict if the include order is reversed. */ |
| 46 | # undef P_ALL |
| 47 | # undef P_PID |
| 48 | # undef P_PGID |
| 49 | |
| 50 | typedef enum |
| 51 | { |
| 52 | P_ALL, /* Wait for any child. */ |
| 53 | P_PID, /* Wait for specified process. */ |
| 54 | P_PGID /* Wait for members of process group. */ |
| 55 | } idtype_t; |
| 56 | # endif |
| 57 | #endif |
| 58 |