HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| 43626ea4 | 1 | /* Define wait system call interface for Emacs. |
| 4f480b74 | 2 | Copyright (C) 1993, 1994 Free Software Foundation, Inc. |
| 43626ea4 RS |
3 | |
| 4 | This file is part of GNU Emacs. | |
| 5 | ||
| 6 | GNU Emacs is free software; you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 2, or (at your option) | |
| 9 | any later version. | |
| 10 | ||
| 11 | GNU Emacs is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| 17 | along with GNU Emacs; see the file COPYING. If not, write to | |
| 18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
| 19 | ||
| 20 | /* Define the structure that the wait system call stores. | |
| 21 | On many systems, there is a structure defined for this. | |
| 22 | But on vanilla-ish USG systems there is not. */ | |
| 23 | ||
| 24 | #ifndef VMS | |
| 25 | #ifndef WAITTYPE | |
| 26 | #if (!defined (BSD) && !defined (UNIPLUS) && !defined (STRIDE) && !(defined (HPUX) && !defined (NOMULTIPLEJOBS)) && !defined (HAVE_WAIT_HEADER)) || defined (LINUX) | |
| 27 | #define WAITTYPE int | |
| 28 | #define WIFSTOPPED(w) ((w&0377) == 0177) | |
| 29 | #define WIFSIGNALED(w) ((w&0377) != 0177 && (w&~0377) == 0) | |
| 30 | #define WIFEXITED(w) ((w&0377) == 0) | |
| 31 | #define WRETCODE(w) (w >> 8) | |
| 32 | #define WSTOPSIG(w) (w >> 8) | |
| 33 | #define WTERMSIG(w) (w & 0377) | |
| 34 | #ifndef WCOREDUMP | |
| 35 | #define WCOREDUMP(w) ((w&0200) != 0) | |
| 36 | #endif | |
| 37 | #else | |
| 38 | #ifdef BSD4_1 | |
| 39 | #include <wait.h> | |
| 40 | #else | |
| 41 | #include <sys/wait.h> | |
| 42 | #endif /* not BSD 4.1 */ | |
| 43 | ||
| 44 | #define WAITTYPE union wait | |
| 45 | #define WRETCODE(w) w.w_retcode | |
| 4f480b74 | 46 | #undef WCOREDUMP /* Later BSDs define this name differently. */ |
| 43626ea4 RS |
47 | #define WCOREDUMP(w) w.w_coredump |
| 48 | ||
| b01b093a | 49 | #if defined (HPUX) || defined (convex) |
| 43626ea4 | 50 | /* HPUX version 7 has broken definitions of these. */ |
| b01b093a | 51 | /* pvogel@convex.com says the convex does too. */ |
| 43626ea4 RS |
52 | #undef WTERMSIG |
| 53 | #undef WSTOPSIG | |
| 54 | #undef WIFSTOPPED | |
| 55 | #undef WIFSIGNALED | |
| 56 | #undef WIFEXITED | |
| b01b093a | 57 | #endif /* HPUX | convex */ |
| 43626ea4 RS |
58 | |
| 59 | #ifndef WTERMSIG | |
| 60 | #define WTERMSIG(w) w.w_termsig | |
| 61 | #endif | |
| 62 | #ifndef WSTOPSIG | |
| 63 | #define WSTOPSIG(w) w.w_stopsig | |
| 64 | #endif | |
| 65 | #ifndef WIFSTOPPED | |
| 66 | #define WIFSTOPPED(w) (WTERMSIG (w) == 0177) | |
| 67 | #endif | |
| 68 | #ifndef WIFSIGNALED | |
| 69 | #define WIFSIGNALED(w) (WTERMSIG (w) != 0177 && (WSTOPSIG (w)) == 0) | |
| 70 | #endif | |
| 71 | #ifndef WIFEXITED | |
| 72 | #define WIFEXITED(w) (WTERMSIG (w) == 0) | |
| 73 | #endif | |
| 74 | #endif /* BSD or UNIPLUS or STRIDE */ | |
| 75 | #endif /* no WAITTYPE */ | |
| 76 | #else /* VMS */ | |
| 77 | #define WAITTYPE int | |
| 78 | #define WIFSTOPPED(w) 0 | |
| 79 | #define WIFSIGNALED(w) 0 | |
| 80 | #define WIFEXITED(w) ((w) != -1) | |
| 81 | #define WRETCODE(w) (w) | |
| 82 | #define WSTOPSIG(w) (w) | |
| 83 | #define WCOREDUMP(w) 0 | |
| 84 | #define WTERMSIG(w) (w) | |
| 85 | #include <ssdef.h> | |
| 86 | #include <iodef.h> | |
| 87 | #include <clidef.h> | |
| 88 | #include "vmsproc.h" | |
| 89 | #endif /* VMS */ |