Mercurial > molko
annotate libmlk-core/mlk/core/panic.c @ 431:8f59201dc76b
core: cleanup hierarchy
author | David Demelier <markand@malikania.fr> |
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date | Sat, 15 Oct 2022 20:23:14 +0200 |
parents | src/libmlk-core/core/panic.c@d74f53299252 |
children | 773a082f0b91 |
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1 /* |
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2 * panic.c -- unrecoverable error handling |
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3 * |
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4 * Copyright (c) 2020-2022 David Demelier <markand@malikania.fr> |
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5 * |
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6 * Permission to use, copy, modify, and/or distribute this software for any |
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7 * purpose with or without fee is hereby granted, provided that the above |
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8 * copyright notice and this permission notice appear in all copies. |
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9 * |
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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17 */ |
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18 |
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19 #include <assert.h> |
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20 #include <stdio.h> |
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21 #include <stdlib.h> |
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22 |
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23 #include "error.h" |
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24 #include "panic.h" |
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25 |
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26 static void |
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27 terminate(void) |
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28 { |
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29 fprintf(stderr, "abort: %s\n", error()); |
162 | 30 abort(); |
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31 exit(1); |
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32 } |
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33 |
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34 void (*panic_handler)(void) = terminate; |
374 | 35 void *panic_data = NULL; |
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36 |
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37 void |
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38 panicf(const char *fmt, ...) |
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39 { |
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40 assert(fmt); |
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41 |
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42 va_list ap; |
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43 |
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44 /* |
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45 * Store the error before calling panic because va_end would not be |
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46 * called. |
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47 */ |
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48 va_start(ap, fmt); |
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49 errorva(fmt, ap); |
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50 va_end(ap); |
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51 |
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52 panic(); |
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53 } |
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54 |
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55 void |
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56 panicva(const char *fmt, va_list ap) |
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57 { |
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58 assert(fmt); |
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59 assert(panic_handler); |
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60 |
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61 errorva(fmt, ap); |
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62 panic(); |
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63 } |
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64 |
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65 void |
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66 panic(void) |
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67 { |
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68 assert(panic_handler); |
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69 |
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70 panic_handler(); |
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71 |
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72 /* |
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73 * This should not happen, if it does it means the user did not fully |
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74 * satisfied the constraint of panic_handler. |
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75 */ |
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76 fprintf(stderr, "abort: panic handler returned\n"); |
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77 exit(1); |
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78 } |