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Comparing deliantra/server/common/utils.C (file contents):
Revision 1.60 by root, Sun Jul 1 05:00:18 2007 UTC vs.
Revision 1.98 by root, Sat Apr 23 04:56:47 2011 UTC

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 (©) 2005,2006,2007,2008,2009,2010,2011 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 5 *
8 * Crossfire TRT is free software: you can redistribute it and/or modify 6 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 7 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation, either version 3 of the License, or 8 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 9 * option) any later version.
12 * 10 *
13 * This program is distributed in the hope that it will be useful, 11 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 14 * GNU General Public License for more details.
17 * 15 *
18 * You should have received a copy of the GNU General Public License 16 * You should have received a copy of the Affero GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 * and the GNU General Public License along with this program. If not, see
18 * <http://www.gnu.org/licenses/>.
20 * 19 *
21 * The authors can be reached via e-mail to <crossfire@schmorp.de> 20 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 21 */
23 22
24/* 23/*
25 * General convenience functions for crossfire. 24 * General convenience functions for deliantra.
26 */ 25 */
27 26
28#include <cstdlib> 27#include <cstdlib>
29#include <sys/types.h> 28#include <sys/types.h>
30#include <unistd.h> 29#include <unistd.h>
31#include <sys/time.h> 30#include <sys/time.h>
32#include <time.h> 31#include <time.h>
33#include <signal.h> 32#include <signal.h>
34 33
35#include <global.h> 34#include <global.h>
36#include <funcpoint.h>
37#include <material.h> 35#include <material.h>
36#include <object.h>
37
38#include <sys/time.h>
39#include <sys/resource.h>
38 40
39#include <glib.h> 41#include <glib.h>
40 42
41rand_gen rndm; 43refcnt_base::refcnt_t refcnt_dummy;
44ssize_t slice_alloc;
42 45
43void 46#if !GCC_VERSION(3,4)
44tausworthe_random_generator::seed (uint32_t seed) 47int least_significant_bit (uint32_t x)
45{ 48{
46 state [0] = seed * 69069U; if (state [0] < 2U) state [0] += 2U; 49 x &= -x; // this isolates the lowest bit
47 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;
49 state [3] = state [2] * 69069U; if (state [0] < 128) state [0] += 128U;
50 50
51 for (int i = 11; --i; ) 51 int r = 0;
52 operator ()();
53}
54 52
55uint32_t 53 if (x & 0xaaaaaaaa) r += 1;
56tausworthe_random_generator::next () 54 if (x & 0xcccccccc) r += 2;
57{ 55 if (x & 0xf0f0f0f0) r += 4;
58 state [0] = ((state [0] & 0xFFFFFFFEU) << 18U) ^ (((state [0] << 6U) ^ state [0]) >> 13U); 56 if (x & 0xff00ff00) r += 8;
59 state [1] = ((state [1] & 0xFFFFFFF8U) << 2U) ^ (((state [1] << 2U) ^ state [1]) >> 27U); 57 if (x & 0xffff0000) r += 16;
60 state [2] = ((state [2] & 0xFFFFFFF0U) << 7U) ^ (((state [2] << 13U) ^ state [2]) >> 21U);
61 state [3] = ((state [3] & 0xFFFFFF80U) << 13U) ^ (((state [3] << 3U) ^ state [3]) >> 12U);
62 58
63 return state [0] ^ state [1] ^ state [2] ^ state [3]; 59 return r;
64} 60}
61#endif
65 62
66uint32_t 63/******************************************************************************/
67tausworthe_random_generator::get_range (uint32_t num)
68{
69 return (next () * (uint64_t)num) >> 32U;
70}
71 64
72// return a number within (min .. max) 65/* Checks a player-provided string which will become the msg property of
73int 66 * an object for dangerous input.
74tausworthe_random_generator::get_range (int r_min, int r_max)
75{
76 return r_min + get_range (max (r_max - r_min + 1, 0));
77}
78
79/*
80 * 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
82 * difference becomes in the random numbers. IE, the effect is lessened
83 * on a 1-1000 roll, vs a 1-6 roll. This can be used by crafty programmers,
84 * to specifically disable luck in certain rolls, simply by making the
85 * numbers larger (ie, 1d1000 > 500 vs 1d6 > 3)
86 */ 67 */
87 68bool
88/* 69msg_is_safe (const char *msg)
89 * Roll a random number between min and max. Uses op to determine luck,
90 * and if goodbad is non-zero, luck increases the roll, if zero, it decreases.
91 * Generally, op should be the player/caster/hitter requesting the roll,
92 * not the recipient (ie, the poor slob getting hit). [garbled 20010916]
93 */
94int
95random_roll (int r_min, int r_max, const object *op, int goodbad)
96{ 70{
97 int base = r_max - r_min > 1 ? 20 : 50; /* d2 and d3 are corner cases */ 71 bool safe = true;
98 72
99 if (r_max < r_min) 73 /* Trying to cheat by getting data into the object */
100 { 74 if (!strncmp (msg, "endmsg", sizeof ("endmsg") - 1)
101 LOG (llevError | logBacktrace, "Calling random_roll with min=%d max=%d\n", r_min, r_max); 75 || strstr (msg, "\nendmsg"))
102 return r_min; 76 safe = false;
103 }
104 77
105 if (op->type == PLAYER) 78 /* Trying to make the object talk, and potentially access arbitrary code */
106 { 79 if (object::msg_has_dialogue (msg))
107 int luck = op->stats.luck; 80 safe = false;
108 81
109 if (rndm (base) < min (10, abs (luck)))
110 {
111 //TODO: take luck into account
112 }
113 }
114
115 return rndm (r_min, r_max);
116}
117
118/*
119 * This is a 64 bit version of random_roll above. This is needed
120 * for exp loss calculations for players changing religions.
121 */
122sint64
123random_roll64 (sint64 min, sint64 max, const object *op, int goodbad)
124{
125 sint64 omin = min;
126 sint64 diff = max - min + 1;
127 int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
128
129 if (diff < 0)
130 {
131 LOG (llevError | logBacktrace, "Calling random_roll64 with min=%" PRId64 " max=%" PRId64 "\n", min, max);
132 return (min); /* avoids a float exception */
133 }
134
135 /*
136 * Make a call to get two 32 bit unsigned random numbers, and just to
137 * a little bitshifting.
138 */
139 sint64 ran = (sint64) rndm.next () ^ ((sint64) rndm.next () << 31);
140
141 if (op->type != PLAYER)
142 return ((ran % diff) + min);
143
144 int luck = op->stats.luck;
145
146 if (rndm (base) < MIN (10, abs (luck)))
147 {
148 /* we have a winner */
149 ((luck > 0) ? (luck = 1) : (luck = -1));
150 diff -= luck;
151 if (diff < 1)
152 return (omin); /*check again */
153
154 ((goodbad) ? (min += luck) : (diff));
155
156 return (MAX (omin, MIN (max, (ran % diff) + min)));
157 }
158
159 return ran % diff + min;
160}
161
162/*
163 * 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.
165 * Generally, op should be the player/caster/hitter requesting the roll,
166 * not the recipient (ie, the poor slob getting hit).
167 * The args are num D size (ie 4d6) [garbled 20010916]
168 */
169int
170die_roll (int num, int size, const object *op, int goodbad)
171{
172 int min, luck, total, i, gotlucky;
173
174 int diff = size;
175 min = 1;
176 luck = total = gotlucky = 0;
177 int base = diff > 2 ? 20 : 50; /* d2 and d3 are corner cases */
178
179 if (size < 2 || diff < 1)
180 {
181 LOG (llevError, "Calling die_roll with num=%d size=%d\n", num, size);
182 return num; /* avoids a float exception */
183 }
184
185 if (op->type == PLAYER)
186 luck = op->stats.luck;
187
188 for (i = 0; i < num; i++)
189 {
190 if (rndm (base) < MIN (10, abs (luck)) && !gotlucky)
191 {
192 /* we have a winner */
193 gotlucky++;
194 ((luck > 0) ? (luck = 1) : (luck = -1));
195 diff -= luck;
196 if (diff < 1)
197 return (num); /*check again */
198 ((goodbad) ? (min += luck) : (diff));
199 total += MAX (1, MIN (size, rndm (diff) + min));
200 }
201 else
202 total += rndm (size) + 1;
203 }
204
205 return total;
206}
207
208/* convert materialname to materialtype_t */
209
210materialtype_t *
211name_to_material (const shstr &name)
212{
213 for (materialtype_t *mt = materialt; mt && mt->next; mt = mt->next)
214 if (name == mt->name)
215 return mt;
216
217 return materialt;
218}
219
220/* when doing transmutation of objects, we have to recheck the resistances,
221 * as some that did not apply previously, may apply now.
222 */
223
224void
225transmute_materialname (object *op, const object *change)
226{
227 materialtype_t *mt;
228 int j;
229
230 if (op->materialname == NULL)
231 return;
232
233 if (change->materialname != NULL && strcmp (op->materialname, change->materialname))
234 return;
235
236 if (!op->is_armor ())
237 return;
238
239 mt = name_to_material (op->materialname);
240 if (!mt)
241 {
242 LOG (llevError, "archetype '%s>%s' uses nonexistent material '%s'\n", &op->arch->archname, &op->name, &op->materialname);
243 return;
244 }
245
246 for (j = 0; j < NROFATTACKS; j++)
247 if (op->resist[j] == 0 && change->resist[j] != 0)
248 {
249 op->resist[j] += mt->mod[j];
250 if (op->resist[j] > 100)
251 op->resist[j] = 100;
252 if (op->resist[j] < -100)
253 op->resist[j] = -100;
254 }
255}
256
257/* set the materialname and type for an item */
258void
259set_materialname (object *op, int difficulty, materialtype_t *nmt)
260{
261 materialtype_t *mt, *lmt;
262
263#ifdef NEW_MATERIAL_CODE
264 int j;
265#endif
266
267 if (op->materialname != NULL)
268 return;
269
270
271
272 if (nmt == NULL)
273 {
274 lmt = NULL;
275#ifndef NEW_MATERIAL_CODE
276 for (mt = materialt; mt && mt->next; mt = mt->next)
277 {
278 if (op->materials & mt->material)
279 {
280 lmt = mt;
281 break;
282 }
283 }
284
285#else
286 for (mt = materialt; mt && mt->next; mt = mt->next)
287 {
288 if (op->materials & mt->material && rndm (1, 100) <= mt->chance &&
289 difficulty >= mt->difficulty && (op->magic >= mt->magic || mt->magic == 0))
290 {
291 lmt = mt;
292 if (!(op->is_weapon () || op->is_armor ()))
293 break;
294 }
295 }
296#endif
297 }
298 else
299 {
300 lmt = nmt;
301 }
302
303 if (lmt != NULL)
304 {
305#ifndef NEW_MATERIAL_CODE
306 op->materialname = lmt->name;
307 return;
308#else
309
310 if (op->stats.dam && op->is_weapon ())
311 {
312 op->stats.dam += lmt->damage;
313 if (op->stats.dam < 1)
314 op->stats.dam = 1;
315 }
316
317 if (op->stats.sp && op->type == BOW)
318 op->stats.sp += lmt->sp;
319 if (op->stats.wc && op->is_weapon ())
320 op->stats.wc += lmt->wc;
321 if (op->is_armor ())
322 {
323 if (op->stats.ac)
324 op->stats.ac += lmt->ac;
325 for (j = 0; j < NROFATTACKS; j++)
326 if (op->resist[j] != 0)
327 {
328 op->resist[j] += lmt->mod[j];
329 if (op->resist[j] > 100)
330 op->resist[j] = 100;
331 if (op->resist[j] < -100)
332 op->resist[j] = -100;
333 }
334 }
335 op->materialname = lmt->name;
336 /* dont make it unstackable if it doesn't need to be */
337 if (op->is_weapon () || op->is_armor ())
338 {
339 op->weight = (op->weight * lmt->weight) / 100;
340 op->value = (op->value * lmt->value) / 100;
341 }
342#endif
343 }
344}
345
346/*
347 * Strip out the media tags from a String.
348 * Warning the input string will contain the result string
349 */
350void
351strip_media_tag (char *message)
352{
353 int in_tag = 0;
354 char *dest;
355 char *src;
356
357 src = dest = message;
358 while (*src != '\0')
359 {
360 if (*src == '[')
361 {
362 in_tag = 1;
363 }
364 else if (in_tag && (*src == ']'))
365 in_tag = 0;
366 else if (!in_tag)
367 {
368 *dest = *src;
369 dest++;
370 }
371 src++;
372 }
373 *dest = '\0';
374}
375
376const char *
377strrstr (const char *haystack, const char *needle)
378{
379 const char *lastneedle;
380
381 lastneedle = NULL;
382 while ((haystack = strstr (haystack, needle)) != NULL)
383 {
384 lastneedle = haystack;
385 haystack++;
386 }
387 return lastneedle;
388
389}
390
391#define EOL_SIZE (sizeof("\n")-1)
392void
393strip_endline (char *buf)
394{
395 if (strlen (buf) < sizeof ("\n"))
396 {
397 return;
398 }
399 if (!strcmp (buf + strlen (buf) - EOL_SIZE, "\n"))
400 buf[strlen (buf) - EOL_SIZE] = '\0';
401}
402
403/**
404 * Replace in string src all occurrences of key by replacement. The resulting
405 * string is put into result; at most resultsize characters (including the
406 * terminating null character) will be written to result.
407 */
408void
409replace (const char *src, const char *key, const char *replacement, char *result, size_t resultsize)
410{
411 size_t resultlen;
412 size_t keylen;
413
414 /* special case to prevent infinite loop if key==replacement=="" */
415 if (strcmp (key, replacement) == 0)
416 {
417 snprintf (result, resultsize, "%s", src);
418 return;
419 }
420
421 keylen = strlen (key);
422
423 resultlen = 0;
424 while (*src != '\0' && resultlen + 1 < resultsize)
425 {
426 if (strncmp (src, key, keylen) == 0)
427 {
428 snprintf (result + resultlen, resultsize - resultlen, "%s", replacement);
429 resultlen += strlen (result + resultlen);
430 src += keylen;
431 }
432 else
433 {
434 result[resultlen++] = *src++;
435 }
436 }
437 result[resultlen] = '\0';
438}
439
440/**
441 * Taking a string as an argument, mutate it into a string that looks like a list.
442 * 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.
444 * This function will also strip all trailing non alphanumeric characters.
445 * It does not insert an oxford comma.
446 */
447
448void
449make_list_like (char *input)
450{
451 char *p, tmp[MAX_BUF];
452 int i;
453
454 if (!input || strlen (input) > MAX_BUF - 5)
455 return;
456 /* bad stuff would happen if we continued here, the -5 is to make space for ' and ' */
457
458 strncpy (tmp, input, MAX_BUF - 5);
459 /*trim all trailing commas, spaces etc. */
460 for (i = strlen (tmp); !isalnum (tmp[i]) && i >= 0; i--)
461 tmp[i] = '\0';
462
463 strcat (tmp, ".");
464
465 p = strrchr (tmp, ',');
466 if (p)
467 {
468 *p = '\0';
469 strcpy (input, tmp);
470 p++;
471 strcat (input, " and");
472 strcat (input, p);
473 }
474 else
475 strcpy (input, tmp);
476
477 return; 82 return safe;
478} 83}
479 84
480///////////////////////////////////////////////////////////////////////////// 85/////////////////////////////////////////////////////////////////////////////
481 86
482void 87void
483fork_abort (const char *msg) 88fork_abort (const char *msg)
484{ 89{
485 if (!fork ()) 90 if (!fork ())
486 { 91 {
92 signal (SIGINT , SIG_IGN);
93 signal (SIGTERM, SIG_IGN);
487 signal (SIGABRT, SIG_DFL); 94 signal (SIGABRT, SIG_IGN);
95
96 signal (SIGSEGV, SIG_DFL);
97 signal (SIGBUS , SIG_DFL);
98 signal (SIGILL , SIG_DFL);
99 signal (SIGTRAP, SIG_DFL);
100
488 // try to put corefiles into a subdirectory, if existing, to allow 101 // try to put corefiles into a subdirectory, if existing, to allow
489 // an administrator to reduce the I/O load. 102 // an administrator to reduce the I/O load.
490 chdir ("cores"); 103 chdir ("cores");
104
105 // try to detach us from as many external dependencies as possible
106 // as coredumping can take time by closing all fd's.
107 {
108 struct rlimit lim;
109
110 if (getrlimit (RLIMIT_NOFILE, &lim))
111 lim.rlim_cur = 1024;
112
113 for (int i = 0; i < lim.rlim_cur; ++i)
114 close (i);
115 }
116
117 {
118 sigset_t empty;
119 sigemptyset (&empty);
120 sigprocmask (SIG_SETMASK, &empty, 0);
121 }
122
123 // try to coredump with SIGTRAP
124 kill (getpid (), SIGTRAP);
491 abort (); 125 abort ();
492 } 126 }
493 127
494 LOG (llevError, "fork abort: %s\n", msg); 128 LOG (llevError, "fork abort: %s\n", msg);
495} 129}
496 130
497void *salloc_ (int n) throw (std::bad_alloc) 131void *salloc_ (int n) throw (std::bad_alloc)
498{ 132{
499#ifdef PREFER_MALLOC
500 void *ptr = malloc (n);
501#else
502 void *ptr = g_slice_alloc (n); 133 void *ptr = g_slice_alloc (n);
503#endif
504 134
505 if (!ptr) 135 if (!ptr)
506 throw std::bad_alloc (); 136 throw std::bad_alloc ();
507 137
138 slice_alloc += n;
508 return ptr; 139 return ptr;
509} 140}
510 141
511void *salloc_ (int n, void *src) throw (std::bad_alloc) 142void *salloc_ (int n, void *src) throw (std::bad_alloc)
512{ 143{
… …
518 memset (ptr, 0, n); 149 memset (ptr, 0, n);
519 150
520 return ptr; 151 return ptr;
521} 152}
522 153
154/******************************************************************************/
155
156#if DEBUG_SALLOC
157
158#define MAGIC 0xa1b2c35543deadLL
159
160void *g_slice_alloc (unsigned long size)
161{
162 unsigned long *p = (unsigned long *) (g_slice_alloc)(size + sizeof (unsigned long));
163 *p++ = size ^ MAGIC;
164 //fprintf (stderr, "g_slice_alloc %ld %p\n", size, p);//D
165 return (void *)p;
166}
167
168void *g_slice_alloc0 (unsigned long size)
169{
170 return memset (g_slice_alloc (size), 0, size);
171}
172
173void g_slice_free1 (unsigned long size, void *ptr)
174{
175 //fprintf (stderr, "g_slice_free %ld %p\n", size, ptr);//D
176 if (expect_true (ptr))
177 {
178 unsigned long *p = (unsigned long *)ptr;
179 unsigned long s = *--p ^ MAGIC;
180
181 if (size != (unsigned long)(*p ^ MAGIC))
182 {
183 LOG (logBacktrace | llevError, "slice free size (%lx) doesn't match alloc size (%lx)\n", size, s);
184 abort ();
185 }
186
187 *p = MAGIC;
188
189 (g_slice_free1)(s + sizeof (unsigned long), p);
190 }
191}
192
193#endif
194
195/******************************************************************************/
196
197int
523void assign (char *dst, const char *src, int maxlen) 198assign (char *dst, const char *src, int maxsize)
524{ 199{
525 if (!src) 200 if (!src)
526 src = ""; 201 src = "";
527 202
528 int len = strlen (src); 203 int len = strlen (src);
529 204
530 if (len >= maxlen - 1) 205 if (len >= maxsize)
531 { 206 {
532 if (maxlen <= 4) 207 if (maxsize <= 4)
533 { 208 {
534 memset (dst, '.', maxlen - 1); 209 memset (dst, '.', maxsize - 2);
535 dst [maxlen - 1] = 0; 210 dst [maxsize - 1] = 0;
536 } 211 }
537 else 212 else
538 { 213 {
539 memcpy (dst, src, maxlen - 4); 214 memcpy (dst, src, maxsize - 4);
540 memcpy (dst + maxlen - 4, "...", 4); 215 memcpy (dst + maxsize - 4, "...", 4);
541 } 216 }
217
218 len = maxsize;
542 } 219 }
543 else 220 else
544 memcpy (dst, src, len + 1); 221 memcpy (dst, src, ++len);
545}
546 222
547const std::string 223 return len;
224}
225
226char *
227vformat (const char *format, va_list ap)
228{
229 static dynbuf_text bufs[8];
230 static int bufidx;
231
232 dynbuf_text &buf = bufs [++bufidx & 7];
233
234 buf.clear ();
235 buf.vprintf (format, ap);
236 return buf;
237}
238
239char *
548format (const char *format, ...) 240format (const char *format, ...)
549{ 241{
550 int len;
551
552 {
553 char buf[128];
554
555 va_list ap; 242 va_list ap;
556 va_start (ap, format); 243 va_start (ap, format);
557 len = vsnprintf (buf, sizeof (buf), format, ap); 244 char *buf = vformat (format, ap);
558 va_end (ap); 245 va_end (ap);
559 246
560 assert (len >= 0); // shield againstz broken vsnprintf's
561
562 // was our static buffer short enough?
563 if (len < sizeof (buf))
564 return std::string (buf, len);
565 }
566
567 {
568 // longer, try harder
569 char *buf = salloc<char> (len + 1);
570
571 va_list ap;
572 va_start (ap, format);
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; 247 return buf;
580 }
581} 248}
582 249
583tstamp now () 250tstamp now ()
584{ 251{
585 struct timeval tv; 252 struct timeval tv;
… …
653 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL, 320 0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
654 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL, 321 0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
655 0x2d02ef8dL 322 0x2d02ef8dL
656}; 323};
657 324
325void thread::start (void *(*start_routine)(void *), void *arg)
326{
327 pthread_attr_t attr;
658 328
329 pthread_attr_init (&attr);
330 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
331 pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096
332 ? sizeof (long) * 4096 : PTHREAD_STACK_MIN);
333#ifdef PTHREAD_SCOPE_PROCESS
334 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
335#endif
336
337 sigset_t fullsigset, oldsigset;
338 sigfillset (&fullsigset);
339
340 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
341
342 if (pthread_create (&id, &attr, start_routine, arg))
343 cleanup ("unable to create a new thread");
344
345 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
346}
347

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