projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| af359dea C |
1 | /*- |
| 2 | * Copyright (c) 1991 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * This code is derived from software contributed to Berkeley by | |
| 6 | * Van Jacobson and Steven McCanne of Lawrence Berkeley Laboratory. | |
| 7 | * | |
| c0567266 KB |
8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions | |
| 10 | * are met: | |
| 11 | * 1. Redistributions of source code must retain the above copyright | |
| 12 | * notice, this list of conditions and the following disclaimer. | |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 14 | * notice, this list of conditions and the following disclaimer in the | |
| 15 | * documentation and/or other materials provided with the distribution. | |
| 16 | * 3. All advertising materials mentioning features or use of this software | |
| 17 | * must display the following acknowledgement: | |
| 18 | * This product includes software developed by the University of | |
| 19 | * California, Berkeley and its contributors. | |
| 20 | * 4. Neither the name of the University nor the names of its contributors | |
| 21 | * may be used to endorse or promote products derived from this software | |
| 22 | * without specific prior written permission. | |
| 23 | * | |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 34 | * SUCH DAMAGE. | |
| af359dea C |
35 | * |
| 36 | * @(#)wait.h 6.3 (Berkeley) 5/8/91 | |
| 37 | */ | |
| 38 | ||
| 39 | /* Define how to access the structure that the wait system call stores. | |
| 40 | On many systems, there is a structure defined for this. | |
| 41 | But on vanilla-ish USG systems there is not. */ | |
| 42 | ||
| 43 | #ifndef HAVE_WAIT_STRUCT | |
| 44 | ||
| 45 | #define WAITTYPE int | |
| 46 | #define WIFSTOPPED(w) (((w)&0377) == 0177) | |
| 47 | #define WIFSIGNALED(w) (((w)&0377) != 0177 && ((w)&~0377) == 0) | |
| 48 | #define WIFEXITED(w) (((w)&0377) == 0) | |
| 49 | #define WEXITSTATUS(w) ((w) >> 8) | |
| 50 | #define WSTOPSIG(w) ((w) >> 8) | |
| 51 | #define WCOREDUMP(w) (((w)&0200) != 0) | |
| 52 | #define WTERMSIG(w) ((w) & 0177) | |
| 53 | #define WSETEXIT(w, status) ((w) = (status)) | |
| 54 | #define WSETSTOP(w,sig) ((w) = (0177 | ((sig) << 8))) | |
| 55 | ||
| 56 | #else | |
| 57 | ||
| 58 | #include <sys/wait.h> | |
| 59 | ||
| 60 | #define WAITTYPE union wait | |
| 61 | #ifndef WEXITSTATUS | |
| 62 | #define WEXITSTATUS(w) (w).w_retcode | |
| 63 | #endif | |
| 64 | #ifndef WSTOPSIG | |
| 65 | #define WSTOPSIG(w) (w).w_stopsig | |
| 66 | #endif | |
| 67 | #ifndef WCOREDUMP | |
| 68 | #define WCOREDUMP(w) (w).w_coredump | |
| 69 | #endif | |
| 70 | #ifndef WTERMSIG | |
| 71 | #define WTERMSIG(w) (w).w_termsig | |
| 72 | #endif | |
| 73 | #ifndef WSETEXIT | |
| 74 | #define WSETEXIT(w, status) ((w).w_status = (status)) | |
| 75 | #endif | |
| 76 | #ifndef WSETSTOP | |
| 77 | #define WSETSTOP(w,sig) \ | |
| 78 | ((w).w_stopsig = (sig), (w).w_coredump = 0, (w).w_termsig = 0177) | |
| 79 | #endif | |
| 80 | ||
| 81 | #endif |