| Ben Lindstrom | 67e21e1 | 2000-11-05 09:08:45 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Redistribution and use in source and binary forms, with or without |
| 3 | * modification, are permitted provided that the following conditions |
| 4 | * are met: |
| 5 | * 1. Redistributions of source code must retain the above copyright |
| 6 | * notice, this list of conditions and the following disclaimer. |
| 7 | * 2. Redistributions in binary form must reproduce the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer in the |
| 9 | * documentation and/or other materials provided with the distribution. |
| 10 | * |
| 11 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 12 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 13 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 14 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 15 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 16 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 17 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 18 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 19 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 20 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #ifndef _BSD_WAITPID_H |
| 25 | #define _BSD_WAITPID_H |
| 26 | |
| 27 | #ifndef HAVE_WAITPID |
| 28 | /* Clean out any potental issues */ |
| 29 | #undef WIFEXITED |
| 30 | #undef WIFSTOPPED |
| 31 | #undef WIFSIGNALED |
| 32 | |
| 33 | /* Define required functions to mimic a POSIX look and feel */ |
| 34 | #define _W_INT(w) (*(int*)&(w)) /* convert union wait to int */ |
| 35 | #define WIFEXITED(w) (!((_W_INT(w)) & 0377)) |
| 36 | #define WIFSTOPPED(w) ((_W_INT(w)) & 0100) |
| 37 | #define WIFSIGNALED(w) (!WIFEXITED(w) && !WIFSTOPPED(w)) |
| 38 | #define WEXITSTATUS(w) (int)(WIFEXITED(w) ? ((_W_INT(w) >> 8) & 0377) : -1) |
| 39 | #define WTERMSIG(w) (int)(WIFSIGNALED(w) ? (_W_INT(w) & 0177) : -1) |
| 40 | #define WCOREFLAG 0x80 |
| 41 | #define WCOREDUMP(w) ((_W_INT(w)) & WCOREFLAG) |
| 42 | |
| 43 | /* Prototype */ |
| 44 | pid_t waitpid(int pid, int *stat_loc, int options); |
| 45 | |
| 46 | #endif /* !HAVE_WAITPID */ |
| 47 | #endif /* _BSD_WAITPID_H */ |