| 1 | /* |
| 2 | * This file is part of DisOrder. |
| 3 | * Copyright (C) 2004, 2007, 2008 Richard Kettlewell |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 18 | * USA |
| 19 | */ |
| 20 | /** @file lib/wstat.c |
| 21 | * @brief Convert wait status to text |
| 22 | */ |
| 23 | |
| 24 | #include <config.h> |
| 25 | |
| 26 | #include <sys/wait.h> |
| 27 | #include <stdio.h> |
| 28 | #include <string.h> |
| 29 | #include <signal.h> |
| 30 | |
| 31 | #include "mem.h" |
| 32 | #include "log.h" |
| 33 | #include "wstat.h" |
| 34 | #include "printf.h" |
| 35 | |
| 36 | /** @brief Convert exit status to text |
| 37 | * @param w Exit status (e.g. from waitpid()) |
| 38 | * @return Allocated string containing description of status |
| 39 | */ |
| 40 | const char *wstat(int w) { |
| 41 | int n; |
| 42 | char *r; |
| 43 | |
| 44 | if(WIFEXITED(w)) |
| 45 | n = byte_xasprintf(&r, "exited with status %d", WEXITSTATUS(w)); |
| 46 | else if(WIFSIGNALED(w)) |
| 47 | n = byte_xasprintf(&r, "terminated by signal %d (%s)%s", |
| 48 | WTERMSIG(w), strsignal(WTERMSIG(w)), |
| 49 | WCOREDUMP(w) ? " - core dumped" : ""); |
| 50 | else if(WIFSTOPPED(w)) |
| 51 | n = byte_xasprintf(&r, "stopped by signal %d (%s)", |
| 52 | WSTOPSIG(w), strsignal(WSTOPSIG(w))); |
| 53 | else |
| 54 | n = byte_xasprintf(&r, "terminated with unknown wait status %#x", |
| 55 | (unsigned)w); |
| 56 | return n >= 0 ? r : "[could not convert wait status]"; |
| 57 | } |
| 58 | |
| 59 | /* |
| 60 | Local Variables: |
| 61 | c-basic-offset:2 |
| 62 | comment-column:40 |
| 63 | End: |
| 64 | */ |