1 | /* |
1 | /* |
2 | * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
3 | * |
3 | * |
4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
4 | * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
5 | * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
5 | * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
7 | * |
7 | * |
8 | * Crossfire TRT is free software: you can redistribute it and/or modify |
8 | * Deliantra is free software: you can redistribute it and/or modify |
9 | * it under the terms of the GNU General Public License as published by |
9 | * it under the terms of the GNU General Public License as published by |
10 | * the Free Software Foundation, either version 3 of the License, or |
10 | * the Free Software Foundation, either version 3 of the License, or |
11 | * (at your option) any later version. |
11 | * (at your option) any later version. |
12 | * |
12 | * |
13 | * This program is distributed in the hope that it will be useful, |
13 | * This program is distributed in the hope that it will be useful, |
… | |
… | |
16 | * GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
17 | * |
17 | * |
18 | * You should have received a copy of the GNU General Public License |
18 | * You should have received a copy of the GNU General Public License |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
20 | * |
20 | * |
21 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
21 | * The authors can be reached via e-mail to <support@deliantra.net> |
22 | */ |
22 | */ |
23 | |
23 | |
24 | /* |
24 | /* |
25 | * General convenience functions for crossfire. |
25 | * General convenience functions for crossfire. |
26 | */ |
26 | */ |
… | |
… | |
31 | #include <sys/time.h> |
31 | #include <sys/time.h> |
32 | #include <time.h> |
32 | #include <time.h> |
33 | #include <signal.h> |
33 | #include <signal.h> |
34 | |
34 | |
35 | #include <global.h> |
35 | #include <global.h> |
36 | #include <funcpoint.h> |
|
|
37 | #include <material.h> |
36 | #include <material.h> |
38 | |
37 | |
|
|
38 | #include <sys/time.h> |
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|
39 | #include <sys/resource.h> |
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|
40 | |
39 | #include <glib.h> |
41 | #include <glib.h> |
40 | |
42 | |
41 | rand_gen rndm; |
43 | refcnt_base::refcnt_t refcnt_dummy; |
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|
44 | ssize_t slice_alloc; |
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|
45 | rand_gen rndm, rmg_rndm; |
42 | |
46 | |
43 | void |
47 | void |
44 | tausworthe_random_generator::seed (uint32_t seed) |
48 | tausworthe_random_generator::seed (uint32_t seed) |
45 | { |
49 | { |
46 | state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U; |
50 | state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U; |
47 | state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U; |
51 | state [1] = state [0] * 69069U; if (state [0] < 8U) state [0] += 8U; |
48 | state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U; |
52 | state [2] = state [1] * 69069U; if (state [0] < 16U) state [0] += 16U; |
49 | state [3] = state [2] * 69069U; if (state [0] < 128) state [0] += 128U; |
53 | state [3] = state [2] * 69069U; if (state [0] < 128U) state [0] += 128U; |
50 | |
54 | |
51 | for (int i = 11; --i; ) |
55 | for (int i = 11; --i; ) |
52 | operator ()(); |
56 | next (); |
53 | } |
57 | } |
54 | |
58 | |
55 | uint32_t |
59 | uint32_t |
56 | tausworthe_random_generator::next () |
60 | tausworthe_random_generator::next () |
57 | { |
61 | { |
… | |
… | |
61 | state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U); |
65 | state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U); |
62 | |
66 | |
63 | return state [0] ^ state [1] ^ state [2] ^ state [3]; |
67 | return state [0] ^ state [1] ^ state [2] ^ state [3]; |
64 | } |
68 | } |
65 | |
69 | |
|
|
70 | template<class generator> |
66 | uint32_t |
71 | uint32_t |
67 | tausworthe_random_generator::get_range (uint32_t num) |
72 | random_number_generator<generator>::get_range (uint32_t num) |
68 | { |
73 | { |
69 | return (next () * (uint64_t)num) >> 32U; |
74 | return (this->next () * (uint64_t)num) >> 32U; |
70 | } |
75 | } |
71 | |
76 | |
72 | // return a number within (min .. max) |
77 | // return a number within (min .. max) |
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78 | template<class generator> |
73 | int |
79 | int |
74 | tausworthe_random_generator::get_range (int r_min, int r_max) |
80 | random_number_generator<generator>::get_range (int r_min, int r_max) |
75 | { |
81 | { |
76 | return r_min + get_range (max (r_max - r_min + 1, 0)); |
82 | return r_min + get_range (max (r_max - r_min + 1, 0)); |
77 | } |
83 | } |
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84 | |
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85 | template struct random_number_generator<tausworthe_random_generator>; |
|
|
86 | template struct random_number_generator<xorshift_random_generator>; |
78 | |
87 | |
79 | /* |
88 | /* |
80 | * The random functions here take luck into account when rolling random |
89 | * The random functions here take luck into account when rolling random |
81 | * dice or numbers. This function has less of an impact the larger the |
90 | * dice or numbers. This function has less of an impact the larger the |
82 | * difference becomes in the random numbers. IE, the effect is lessened |
91 | * difference becomes in the random numbers. IE, the effect is lessened |
… | |
… | |
92 | * not the recipient (ie, the poor slob getting hit). [garbled 20010916] |
101 | * not the recipient (ie, the poor slob getting hit). [garbled 20010916] |
93 | */ |
102 | */ |
94 | int |
103 | int |
95 | random_roll (int r_min, int r_max, const object *op, int goodbad) |
104 | random_roll (int r_min, int r_max, const object *op, int goodbad) |
96 | { |
105 | { |
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|
106 | r_max = max (r_min, r_max); |
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107 | |
97 | int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */ |
108 | int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */ |
98 | |
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99 | if (r_max < r_min) |
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100 | { |
|
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101 | LOG (llevError | logBacktrace, "Calling random_roll with min=%d max=%d\n", r_min, r_max); |
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102 | return r_min; |
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103 | } |
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104 | |
109 | |
105 | if (op->type == PLAYER) |
110 | if (op->type == PLAYER) |
106 | { |
111 | { |
107 | int luck = op->stats.luck; |
112 | int luck = op->stats.luck; |
108 | |
113 | |
… | |
… | |
118 | /* |
123 | /* |
119 | * This is a 64 bit version of random_roll above. This is needed |
124 | * This is a 64 bit version of random_roll above. This is needed |
120 | * for exp loss calculations for players changing religions. |
125 | * for exp loss calculations for players changing religions. |
121 | */ |
126 | */ |
122 | sint64 |
127 | sint64 |
123 | random_roll64 (sint64 min, sint64 max, const object *op, int goodbad) |
128 | random_roll64 (sint64 r_min, sint64 r_max, const object *op, int goodbad) |
124 | { |
129 | { |
125 | sint64 omin = min; |
130 | sint64 omin = r_min; |
126 | sint64 diff = max - min + 1; |
131 | sint64 range = max (0, r_max - r_min + 1); |
127 | int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */ |
132 | int base = range > 2 ? 20 : 50; /* d2 and d3 are corner cases */ |
128 | |
|
|
129 | if (diff < 0) |
|
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130 | { |
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131 | LOG (llevError | logBacktrace, "Calling random_roll64 with min=%" PRId64 " max=%" PRId64 "\n", min, max); |
|
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132 | return (min); /* avoids a float exception */ |
|
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133 | } |
|
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134 | |
133 | |
135 | /* |
134 | /* |
136 | * Make a call to get two 32 bit unsigned random numbers, and just to |
135 | * Make a call to get two 32 bit unsigned random numbers, and just to |
137 | * a little bitshifting. |
136 | * a little bitshifting. |
138 | */ |
137 | */ |
139 | sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31); |
138 | sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31); |
140 | |
139 | |
141 | if (op->type != PLAYER) |
140 | if (op->type != PLAYER) |
142 | return ((ran % diff) + min); |
141 | return ((ran % range) + r_min); |
143 | |
142 | |
144 | int luck = op->stats.luck; |
143 | int luck = op->stats.luck; |
145 | |
144 | |
146 | if (rndm (base) < MIN (10, abs (luck))) |
145 | if (rndm (base) < min (10, abs (luck))) |
147 | { |
146 | { |
148 | /* we have a winner */ |
147 | /* we have a winner */ |
149 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
148 | ((luck > 0) ? (luck = 1) : (luck = -1)); |
150 | diff -= luck; |
149 | range -= luck; |
151 | if (diff < 1) |
150 | if (range < 1) |
152 | return (omin); /*check again */ |
151 | return (omin); /*check again */ |
153 | |
152 | |
154 | ((goodbad) ? (min += luck) : (diff)); |
153 | ((goodbad) ? (r_min += luck) : (range)); |
155 | |
154 | |
156 | return (MAX (omin, MIN (max, (ran % diff) + min))); |
155 | return (max (omin, min (r_max, (ran % range) + r_min))); |
157 | } |
156 | } |
158 | |
157 | |
159 | return ran % diff + min; |
158 | return ran % range + r_min; |
160 | } |
159 | } |
161 | |
160 | |
162 | /* |
161 | /* |
163 | * Roll a number of dice (2d3, 4d6). Uses op to determine luck, |
162 | * Roll a number of dice (2d3, 4d6). Uses op to determine luck, |
164 | * If goodbad is non-zero, luck increases the roll, if zero, it decreases. |
163 | * If goodbad is non-zero, luck increases the roll, if zero, it decreases. |
… | |
… | |
206 | } |
205 | } |
207 | |
206 | |
208 | /* convert materialname to materialtype_t */ |
207 | /* convert materialname to materialtype_t */ |
209 | |
208 | |
210 | materialtype_t * |
209 | materialtype_t * |
211 | name_to_material (const shstr &name) |
210 | name_to_material (const shstr_cmp name) |
212 | { |
211 | { |
213 | for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next) |
212 | for (materialtype_t *mt = materialt; mt; mt = mt->next) |
214 | if (name == mt->name) |
213 | if (name == mt->name) |
215 | return mt; |
214 | return mt; |
216 | |
215 | |
217 | return materialt; |
216 | return 0; |
218 | } |
217 | } |
219 | |
218 | |
220 | /* when doing transmutation of objects, we have to recheck the resistances, |
219 | /* when doing transmutation of objects, we have to recheck the resistances, |
221 | * as some that did not apply previously, may apply now. |
220 | * as some that did not apply previously, may apply now. |
222 | */ |
221 | */ |
223 | |
|
|
224 | void |
222 | void |
225 | transmute_materialname (object *op, const object *change) |
223 | transmute_materialname (object *op, const object *change) |
226 | { |
224 | { |
227 | materialtype_t *mt; |
225 | materialtype_t *mt; |
228 | int j; |
226 | int j; |
229 | |
227 | |
230 | if (op->materialname == NULL) |
228 | if (!op->materialname) |
231 | return; |
229 | return; |
232 | |
230 | |
233 | if (change->materialname != NULL && strcmp (op->materialname, change->materialname)) |
231 | if (op->materialname != change->materialname) |
234 | return; |
232 | return; |
235 | |
233 | |
236 | if (!op->is_armor ()) |
234 | if (!op->is_armor ()) |
237 | return; |
235 | return; |
238 | |
236 | |
… | |
… | |
258 | void |
256 | void |
259 | set_materialname (object *op, int difficulty, materialtype_t *nmt) |
257 | set_materialname (object *op, int difficulty, materialtype_t *nmt) |
260 | { |
258 | { |
261 | materialtype_t *mt, *lmt; |
259 | materialtype_t *mt, *lmt; |
262 | |
260 | |
263 | #ifdef NEW_MATERIAL_CODE |
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264 | int j; |
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265 | #endif |
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266 | |
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267 | if (op->materialname != NULL) |
261 | if (!op->materialname) |
268 | return; |
262 | return; |
269 | |
263 | |
270 | |
264 | if (nmt) |
271 | |
265 | lmt = nmt; |
272 | if (nmt == NULL) |
266 | else |
273 | { |
267 | { |
274 | lmt = NULL; |
268 | lmt = 0; |
275 | #ifndef NEW_MATERIAL_CODE |
269 | |
276 | for (mt = materialt; mt && mt->next; mt = mt->next) |
270 | for (mt = materialt; mt; mt = mt->next) |
277 | { |
271 | if (op->materials & mt->material && rndm (1, 100) <= mt->chance && |
278 | if (op->materials & mt->material) |
272 | difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) |
279 | { |
273 | { |
280 | lmt = mt; |
274 | lmt = mt; |
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|
275 | if (!(op->is_weapon () || op->is_armor ())) |
281 | break; |
276 | break; |
282 | } |
277 | } |
283 | } |
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284 | |
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285 | #else |
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286 | for (mt = materialt; mt && mt->next; mt = mt->next) |
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287 | { |
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288 | if (op->materials & mt->material && rndm (1, 100) <= mt->chance && |
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289 | difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0)) |
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290 | { |
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291 | lmt = mt; |
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292 | if (!(op->is_weapon () || op->is_armor ())) |
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293 | break; |
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294 | } |
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295 | } |
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296 | #endif |
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297 | } |
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298 | else |
|
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299 | { |
278 | } |
300 | lmt = nmt; |
279 | |
|
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280 | if (lmt) |
301 | } |
281 | { |
302 | |
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303 | if (lmt != NULL) |
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304 | { |
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305 | #ifndef NEW_MATERIAL_CODE |
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306 | op->materialname = lmt->name; |
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307 | return; |
|
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308 | #else |
|
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309 | |
|
|
310 | if (op->stats.dam && op->is_weapon ()) |
282 | if (op->stats.dam && op->is_weapon ()) |
311 | { |
283 | { |
312 | op->stats.dam += lmt->damage; |
284 | op->stats.dam += lmt->damage; |
313 | if (op->stats.dam < 1) |
285 | if (op->stats.dam < 1) |
314 | op->stats.dam = 1; |
286 | op->stats.dam = 1; |
… | |
… | |
320 | op->stats.wc += lmt->wc; |
292 | op->stats.wc += lmt->wc; |
321 | if (op->is_armor ()) |
293 | if (op->is_armor ()) |
322 | { |
294 | { |
323 | if (op->stats.ac) |
295 | if (op->stats.ac) |
324 | op->stats.ac += lmt->ac; |
296 | op->stats.ac += lmt->ac; |
|
|
297 | |
325 | for (j = 0; j < NROFATTACKS; j++) |
298 | for (int j = 0; j < NROFATTACKS; j++) |
326 | if (op->resist[j] != 0) |
299 | if (op->resist[j] != 0) |
327 | { |
300 | { |
328 | op->resist[j] += lmt->mod[j]; |
301 | op->resist[j] += lmt->mod[j]; |
329 | if (op->resist[j] > 100) |
302 | if (op->resist[j] > 100) |
330 | op->resist[j] = 100; |
303 | op->resist[j] = 100; |
331 | if (op->resist[j] < -100) |
304 | if (op->resist[j] < -100) |
332 | op->resist[j] = -100; |
305 | op->resist[j] = -100; |
333 | } |
306 | } |
334 | } |
307 | } |
|
|
308 | |
335 | op->materialname = lmt->name; |
309 | op->materialname = lmt->name; |
336 | /* dont make it unstackable if it doesn't need to be */ |
310 | /* dont make it unstackable if it doesn't need to be */ |
337 | if (op->is_weapon () || op->is_armor ()) |
311 | if (op->is_weapon () || op->is_armor ()) |
338 | { |
312 | { |
339 | op->weight = (op->weight * lmt->weight) / 100; |
313 | op->weight = (op->weight * lmt->weight) / 100; |
340 | op->value = (op->value * lmt->value) / 100; |
314 | op->value = (op->value * lmt->value) / 100; |
341 | } |
315 | } |
342 | #endif |
|
|
343 | } |
316 | } |
344 | } |
317 | } |
345 | |
318 | |
346 | /* |
319 | /* |
347 | * Strip out the media tags from a String. |
320 | * Strip out the media tags from a String. |
… | |
… | |
442 | * a 'list' for the purposes here, is a string of items, seperated by commas, except |
415 | * a 'list' for the purposes here, is a string of items, seperated by commas, except |
443 | * for the last entry, which has an 'and' before it, and a full stop (period) after it. |
416 | * for the last entry, which has an 'and' before it, and a full stop (period) after it. |
444 | * This function will also strip all trailing non alphanumeric characters. |
417 | * This function will also strip all trailing non alphanumeric characters. |
445 | * It does not insert an oxford comma. |
418 | * It does not insert an oxford comma. |
446 | */ |
419 | */ |
447 | |
|
|
448 | void |
420 | void |
449 | make_list_like (char *input) |
421 | make_list_like (char *input) |
450 | { |
422 | { |
451 | char *p, tmp[MAX_BUF]; |
423 | char *p, tmp[MAX_BUF]; |
452 | int i; |
424 | int i; |
… | |
… | |
482 | void |
454 | void |
483 | fork_abort (const char *msg) |
455 | fork_abort (const char *msg) |
484 | { |
456 | { |
485 | if (!fork ()) |
457 | if (!fork ()) |
486 | { |
458 | { |
|
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459 | signal (SIGINT , SIG_IGN); |
|
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460 | signal (SIGTERM, SIG_IGN); |
487 | signal (SIGABRT, SIG_DFL); |
461 | signal (SIGABRT, SIG_IGN); |
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462 | |
|
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463 | signal (SIGSEGV, SIG_DFL); |
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464 | signal (SIGBUS , SIG_DFL); |
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465 | signal (SIGILL , SIG_DFL); |
|
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466 | signal (SIGTRAP, SIG_DFL); |
|
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467 | |
488 | // try to put corefiles into a subdirectory, if existing, to allow |
468 | // try to put corefiles into a subdirectory, if existing, to allow |
489 | // an administrator to reduce the I/O load. |
469 | // an administrator to reduce the I/O load. |
490 | chdir ("cores"); |
470 | chdir ("cores"); |
|
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471 | |
|
|
472 | // try to detach us from as many external dependencies as possible |
|
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473 | // as coredumping can take time by closing all fd's. |
|
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474 | { |
|
|
475 | struct rlimit lim; |
|
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476 | |
|
|
477 | if (getrlimit (RLIMIT_NOFILE, &lim)) |
|
|
478 | lim.rlim_cur = 1024; |
|
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479 | |
|
|
480 | for (int i = 0; i < lim.rlim_cur; ++i) |
|
|
481 | close (i); |
|
|
482 | } |
|
|
483 | |
|
|
484 | { |
|
|
485 | sigset_t empty; |
|
|
486 | sigemptyset (&empty); |
|
|
487 | sigprocmask (SIG_SETMASK, &empty, 0); |
|
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488 | } |
|
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489 | |
|
|
490 | // try to coredump with SIGTRAP |
|
|
491 | kill (getpid (), SIGTRAP); |
491 | abort (); |
492 | abort (); |
492 | } |
493 | } |
493 | |
494 | |
494 | LOG (llevError, "fork abort: %s\n", msg); |
495 | LOG (llevError, "fork abort: %s\n", msg); |
495 | } |
496 | } |
496 | |
497 | |
497 | void *salloc_ (int n) throw (std::bad_alloc) |
498 | void *salloc_ (int n) throw (std::bad_alloc) |
498 | { |
499 | { |
499 | #ifdef PREFER_MALLOC |
|
|
500 | void *ptr = malloc (n); |
|
|
501 | #else |
|
|
502 | void *ptr = g_slice_alloc (n); |
500 | void *ptr = g_slice_alloc (n); |
503 | #endif |
|
|
504 | |
501 | |
505 | if (!ptr) |
502 | if (!ptr) |
506 | throw std::bad_alloc (); |
503 | throw std::bad_alloc (); |
507 | |
504 | |
|
|
505 | slice_alloc += n; |
508 | return ptr; |
506 | return ptr; |
509 | } |
507 | } |
510 | |
508 | |
511 | void *salloc_ (int n, void *src) throw (std::bad_alloc) |
509 | void *salloc_ (int n, void *src) throw (std::bad_alloc) |
512 | { |
510 | { |
… | |
… | |
518 | memset (ptr, 0, n); |
516 | memset (ptr, 0, n); |
519 | |
517 | |
520 | return ptr; |
518 | return ptr; |
521 | } |
519 | } |
522 | |
520 | |
|
|
521 | /******************************************************************************/ |
|
|
522 | |
|
|
523 | #if DEBUG_SALLOC |
|
|
524 | |
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|
525 | #define MAGIC 0xa1b2c35543deadLL |
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526 | |
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527 | void *g_slice_alloc (unsigned long size) |
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528 | { |
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|
529 | unsigned long *p = (unsigned long *) (g_slice_alloc)(size + sizeof (unsigned long)); |
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530 | *p++ = size ^ MAGIC; |
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|
531 | //fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D |
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532 | return (void *)p; |
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533 | } |
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|
534 | |
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535 | void *g_slice_alloc0 (unsigned long size) |
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536 | { |
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|
537 | return memset (g_slice_alloc (size), 0, size); |
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538 | } |
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539 | |
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540 | void g_slice_free1 (unsigned long size, void *ptr) |
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541 | { |
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542 | //fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D |
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543 | if (expect_true (ptr)) |
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544 | { |
|
|
545 | unsigned long *p = (unsigned long *)ptr; |
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546 | unsigned long s = *--p ^ MAGIC; |
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|
547 | |
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548 | if (size != (unsigned long)(*p ^ MAGIC)) |
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549 | { |
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550 | LOG (logBacktrace | llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s); |
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551 | abort (); |
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552 | } |
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|
553 | |
|
|
554 | *p = MAGIC; |
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555 | |
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556 | (g_slice_free1)(s + sizeof (unsigned long), p); |
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|
557 | } |
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558 | } |
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559 | |
|
|
560 | #endif |
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|
561 | |
|
|
562 | /******************************************************************************/ |
|
|
563 | |
523 | void assign (char *dst, const char *src, int maxlen) |
564 | void assign (char *dst, const char *src, int maxlen) |
524 | { |
565 | { |
525 | if (!src) |
566 | if (!src) |
526 | src = ""; |
567 | src = ""; |
527 | |
568 | |
… | |
… | |
542 | } |
583 | } |
543 | else |
584 | else |
544 | memcpy (dst, src, len + 1); |
585 | memcpy (dst, src, len + 1); |
545 | } |
586 | } |
546 | |
587 | |
547 | const std::string |
588 | const char * |
548 | format (const char *format, ...) |
589 | format (const char *format, ...) |
549 | { |
590 | { |
550 | int len; |
591 | static dynbuf_text buf; |
551 | |
592 | |
552 | { |
593 | buf.clear (); |
553 | char buf[128]; |
|
|
554 | |
594 | |
555 | va_list ap; |
595 | va_list ap; |
556 | va_start (ap, format); |
596 | va_start (ap, format); |
557 | len = vsnprintf (buf, sizeof (buf), format, ap); |
597 | buf.vprintf (format, ap); |
558 | va_end (ap); |
598 | va_end (ap); |
559 | |
599 | |
560 | assert (len >= 0); // shield againstz broken vsnprintf's |
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|
561 | |
|
|
562 | // was our static buffer short enough? |
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563 | if (len < sizeof (buf)) |
|
|
564 | return std::string (buf, len); |
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565 | } |
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566 | |
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567 | { |
|
|
568 | // longer, try harder |
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569 | char *buf = salloc<char> (len + 1); |
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|
570 | |
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|
571 | va_list ap; |
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|
572 | va_start (ap, format); |
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|
573 | vsnprintf (buf, len + 1, format, ap); |
|
|
574 | va_end (ap); |
|
|
575 | |
|
|
576 | const std::string s (buf, len); |
|
|
577 | sfree<char> (buf, len + 1); |
|
|
578 | |
|
|
579 | return buf; |
600 | return buf; |
580 | } |
|
|
581 | } |
601 | } |
582 | |
602 | |
583 | tstamp now () |
603 | tstamp now () |
584 | { |
604 | { |
585 | struct timeval tv; |
605 | struct timeval tv; |
… | |
… | |
653 | 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL, |
673 | 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL, |
654 | 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL, |
674 | 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL, |
655 | 0x2d02ef8dL |
675 | 0x2d02ef8dL |
656 | }; |
676 | }; |
657 | |
677 | |
|
|
678 | void thread::start (void *(*start_routine)(void *), void *arg) |
|
|
679 | { |
|
|
680 | pthread_attr_t attr; |
658 | |
681 | |
|
|
682 | pthread_attr_init (&attr); |
|
|
683 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
684 | pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096 |
|
|
685 | ? sizeof (long) * 4096 : PTHREAD_STACK_MIN); |
|
|
686 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
687 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
688 | #endif |
|
|
689 | |
|
|
690 | sigset_t fullsigset, oldsigset; |
|
|
691 | sigfillset (&fullsigset); |
|
|
692 | |
|
|
693 | pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
694 | |
|
|
695 | if (pthread_create (&id, &attr, start_routine, arg)) |
|
|
696 | cleanup ("unable to create a new thread"); |
|
|
697 | |
|
|
698 | pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
|
|
699 | } |
|
|
700 | |