1 | /* Definitions of flag bits for `waitpid' et al. |
2 | Copyright (C) 1992-2018 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 | #if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8 |
30 | # define WSTOPPED 2 /* Report stopped child (same as WUNTRACED). */ |
31 | # define WEXITED 4 /* Report dead child. */ |
32 | # define WCONTINUED 8 /* Report continued child. */ |
33 | # define WNOWAIT 0x01000000 /* Don't reap, just poll status. */ |
34 | #endif |
35 | |
36 | #define __WNOTHREAD 0x20000000 /* Don't wait on children of other threads |
37 | in this group */ |
38 | #define __WALL 0x40000000 /* Wait for any child. */ |
39 | #define __WCLONE 0x80000000 /* Wait for cloned process. */ |
40 | |
41 | /* The following values are used by the `waitid' function. */ |
42 | #if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8 |
43 | # ifndef __ENUM_IDTYPE_T |
44 | # define __ENUM_IDTYPE_T 1 |
45 | |
46 | /* The Linux kernel defines these bare, rather than an enum, |
47 | which causes a conflict if the include order is reversed. */ |
48 | # undef P_ALL |
49 | # undef P_PID |
50 | # undef P_PGID |
51 | |
52 | typedef enum |
53 | { |
54 | P_ALL, /* Wait for any child. */ |
55 | P_PID, /* Wait for specified process. */ |
56 | P_PGID /* Wait for members of process group. */ |
57 | } idtype_t; |
58 | # endif |
59 | #endif |
60 | |