Mercurial > mbsePi-apps / file comparison
comparison: thermometers/main.c
thermometers/main.c
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| 1 /***************************************************************************** | |
| 2 * Copyright (C) 2014 | |
| 3 * | |
| 4 * Michiel Broek <mbroek at mbse dot eu> | |
| 5 * | |
| 6 * This file is part of the mbsePi-apps | |
| 7 * | |
| 8 * This is free software; you can redistribute it and/or modify it | |
| 9 * under the terms of the GNU General Public License as published by the | |
| 10 * Free Software Foundation; either version 2, or (at your option) any | |
| 11 * later version. | |
| 12 * | |
| 13 * mbsePi-apps is distributed in the hope that it will be useful, but | |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 * General Public License for more details. | |
| 17 * | |
| 18 * You should have received a copy of the GNU General Public License | |
| 19 * along with EC-65K; see the file COPYING. If not, write to the Free | |
| 20 * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
| 21 *****************************************************************************/ | |
| 22 | |
| 23 #include <stdio.h> | |
| 24 #include <stdlib.h> | |
| 25 #include <unistd.h> | |
| 26 | |
| 27 | |
| 28 #include "main.h" | |
| 29 | |
| 30 | |
| 31 void help(void) | |
| 32 { | |
| 33 fprintf(stdout, "Usage: thermomeneters [-d] [-h]\n"); | |
| 34 fprintf(stdout, " -d --debug Debug on\n"); | |
| 35 fprintf(stdout, " -h --help Display this help\n"); | |
| 36 } | |
| 37 | |
| 38 | |
| 39 | |
| 40 void die(int onsig) | |
| 41 { | |
| 42 switch (onsig) { | |
| 43 case SIGHUP: Log_Msg("[main] Hangup detected"); | |
| 44 break; | |
| 45 case SIGINT: Log_Msg("[main] Interrupt from keyboard"); | |
| 46 break; | |
| 47 case SIGTERM: Log_Msg("[main] Termination signal received"); | |
| 48 break; | |
| 49 default: Log_Msg("[main] die on signal %d", onsig); | |
| 50 } | |
| 51 | |
| 52 exit(onsig); | |
| 53 } | |
| 54 | |
| 55 | |
| 56 | |
| 57 int main(int argc, char *argv[]) | |
| 58 { | |
| 59 int i, c, rc; | |
| 60 int bForceReset = FALSE; | |
| 61 SDL_Event event; | |
| 62 char *path, name[128], *Range, *p; | |
| 63 FILE *fp; | |
| 64 unsigned int tmp1, tmp2; | |
| 65 | |
| 66 while (1) { | |
| 67 int option_index = 0; | |
| 68 static struct option long_options[] = { | |
| 69 {"debug", 0, 0, 'c'}, | |
| 70 {"help", 0, 0, 'h'}, | |
| 71 {0, 0, 0, 0} | |
| 72 }; | |
| 73 | |
| 74 c = getopt_long(argc, argv, "dh", long_options, &option_index); | |
| 75 if (c == -1) | |
| 76 break; | |
| 77 | |
| 78 switch (c) { | |
| 79 case 'd': | |
| 80 break; | |
| 81 case 'h': help(); | |
| 82 return 1; | |
| 83 } | |
| 84 } | |
| 85 | |
| 86 /* | |
| 87 * Catch all the signals we can, and ignore the rest. Note that SIGKILL can't be ignored | |
| 88 * but that's live. This daemon should only be stopped by SIGTERM. | |
| 89 * Don't catch SIGCHLD. | |
| 90 */ | |
| 91 for (i = 0; i < NSIG; i++) { | |
| 92 if ((i != SIGCHLD) && (i != SIGKILL) && (i != SIGSTOP)) | |
| 93 signal(i, (void (*))die); | |
| 94 } | |
| 95 | |
| 96 | |
| 97 return 0; | |
| 98 } | |
| 99 |
