projects / thirdparty / bash.git / blame
| Commit | Line | Data |
|---|---|---|
| d166f048 | 1 | /* unionwait.h -- definitions for using a `union wait' on systems without |
| ccc6cda3 JA |
2 | one. */ |
| 3 | ||
| 4 | /* Copyright (C) 1996 Free Software Foundation, Inc. | |
| 5 | ||
| 6 | This file is part of GNU Bash, the Bourne Again SHell. | |
| 7 | ||
| 3185942a JA |
8 | Bash is free software: you can redistribute it and/or modify |
| 9 | it under the terms of the GNU General Public License as published by | |
| 10 | the Free Software Foundation, either version 3 of the License, or | |
| 11 | (at your option) any later version. | |
| ccc6cda3 | 12 | |
| 3185942a JA |
13 | Bash is distributed in the hope that it will be useful, |
| 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 | GNU General Public License for more details. | |
| ccc6cda3 | 17 | |
| 3185942a JA |
18 | You should have received a copy of the GNU General Public License |
| 19 | along with Bash. If not, see <http://www.gnu.org/licenses/>. | |
| 20 | */ | |
| ccc6cda3 | 21 | |
| d166f048 JA |
22 | #ifndef _UNIONWAIT_H |
| 23 | #define _UNIONWAIT_H | |
| ccc6cda3 JA |
24 | |
| 25 | #if !defined (WORDS_BIGENDIAN) | |
| 26 | union wait | |
| 27 | { | |
| 28 | int w_status; /* used in syscall */ | |
| 29 | ||
| 30 | /* Terminated process status. */ | |
| 31 | struct | |
| 32 | { | |
| 33 | unsigned short | |
| 34 | w_Termsig : 7, /* termination signal */ | |
| 35 | w_Coredump : 1, /* core dump indicator */ | |
| 36 | w_Retcode : 8, /* exit code if w_termsig==0 */ | |
| 37 | w_Fill1 : 16; /* high 16 bits unused */ | |
| 38 | } w_T; | |
| 39 | ||
| 40 | /* Stopped process status. Returned | |
| 41 | only for traced children unless requested | |
| 42 | with the WUNTRACED option bit. */ | |
| 43 | struct | |
| 44 | { | |
| 45 | unsigned short | |
| 46 | w_Stopval : 8, /* == W_STOPPED if stopped */ | |
| 47 | w_Stopsig : 8, /* actually zero on XENIX */ | |
| 48 | w_Fill2 : 16; /* high 16 bits unused */ | |
| 49 | } w_S; | |
| 50 | }; | |
| 51 | ||
| 52 | #else /* WORDS_BIGENDIAN */ | |
| 53 | ||
| 54 | /* This is for big-endian machines like the IBM RT, HP 9000, or Sun-3 */ | |
| 55 | ||
| 56 | union wait | |
| 57 | { | |
| 58 | int w_status; /* used in syscall */ | |
| 59 | ||
| 60 | /* Terminated process status. */ | |
| 61 | struct | |
| 62 | { | |
| 63 | unsigned short w_Fill1 : 16; /* high 16 bits unused */ | |
| 64 | unsigned w_Retcode : 8; /* exit code if w_termsig==0 */ | |
| 65 | unsigned w_Coredump : 1; /* core dump indicator */ | |
| 66 | unsigned w_Termsig : 7; /* termination signal */ | |
| 67 | } w_T; | |
| 68 | ||
| 69 | /* Stopped process status. Returned | |
| 70 | only for traced children unless requested | |
| 71 | with the WUNTRACED option bit. */ | |
| 72 | struct | |
| 73 | { | |
| 74 | unsigned short w_Fill2 : 16; /* high 16 bits unused */ | |
| 75 | unsigned w_Stopsig : 8; /* signal that stopped us */ | |
| 76 | unsigned w_Stopval : 8; /* == W_STOPPED if stopped */ | |
| 77 | } w_S; | |
| 78 | }; | |
| 79 | ||
| 80 | #endif /* WORDS_BIGENDIAN */ | |
| 81 | ||
| 82 | #define w_termsig w_T.w_Termsig | |
| 83 | #define w_coredump w_T.w_Coredump | |
| 84 | #define w_retcode w_T.w_Retcode | |
| 85 | #define w_stopval w_S.w_Stopval | |
| 86 | #define w_stopsig w_S.w_Stopsig | |
| 87 | ||
| 88 | #define WSTOPPED 0177 | |
| 89 | #define WIFSTOPPED(x) ((x).w_stopval == WSTOPPED) | |
| 90 | #define WIFEXITED(x) ((x).w_stopval != WSTOPPED && (x).w_termsig == 0) | |
| 91 | #define WIFSIGNALED(x) ((x).w_stopval != WSTOPPED && (x).w_termsig != 0) | |
| 92 | ||
| 93 | #define WTERMSIG(x) ((x).w_termsig) | |
| 94 | #define WSTOPSIG(x) ((x).w_stopsig) | |
| 95 | #define WEXITSTATUS(x) ((x).w_retcode) | |
| 96 | #define WIFCORED(x) ((x).w_coredump) | |
| 97 | ||
| d166f048 | 98 | #endif /* _UNIONWAIT_H */ |