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40aac948 | 1 | /* Threads compatibility routines for libgcc2 and libobjc. */ |
f24af81b | 2 | /* Compile this one with gcc. */ |
09e361bb | 3 | /* Copyright (C) 1997, 1999, 2000, 2001, 2004, 2005, 2008, 2009 |
7ef67393 | 4 | Free Software Foundation, Inc. |
f24af81b | 5 | |
1322177d | 6 | This file is part of GCC. |
f24af81b | 7 | |
1322177d LB |
8 | GCC is free software; you can redistribute it and/or modify it under |
9 | the terms of the GNU General Public License as published by the Free | |
748086b7 | 10 | Software Foundation; either version 3, or (at your option) any later |
1322177d | 11 | version. |
f24af81b | 12 | |
1322177d LB |
13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | for more details. | |
f24af81b | 17 | |
748086b7 JJ |
18 | Under Section 7 of GPL version 3, you are granted additional |
19 | permissions described in the GCC Runtime Library Exception, version | |
20 | 3.1, as published by the Free Software Foundation. | |
21 | ||
22 | You should have received a copy of the GNU General Public License and | |
23 | a copy of the GCC Runtime Library Exception along with this program; | |
24 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
25 | <http://www.gnu.org/licenses/>. */ | |
f24af81b | 26 | |
88657302 RH |
27 | #ifndef GCC_GTHR_DCE_H |
28 | #define GCC_GTHR_DCE_H | |
f24af81b | 29 | |
c36b1123 JL |
30 | /* If _DCE_THREADS is not defined, then we're building the single |
31 | threaded version of the libraries and do not want to reference | |
32 | anything related to pthreads or dce. */ | |
33 | #ifndef _DCE_THREADS | |
34 | #include "gthr-single.h" | |
35 | #else | |
f24af81b TT |
36 | /* DCE threads interface. |
37 | DCE threads are based on POSIX threads draft 4, and many things | |
71287280 | 38 | have changed since then. */ |
f24af81b | 39 | |
1f7ec57e JDA |
40 | /* Make sure CONST_CAST2 (original in system.h) is defined. */ |
41 | #ifndef CONST_CAST2 | |
42 | #ifdef __cplusplus | |
43 | #define CONST_CAST2(TOTYPE,FROMTYPE,X) (const_cast<TOTYPE> (X)) | |
44 | #else | |
45 | #define CONST_CAST2(TOTYPE,FROMTYPE,X) ((__extension__(union {FROMTYPE _q; TOTYPE _nq;})(X))._nq) | |
46 | #endif | |
47 | #endif | |
48 | ||
f24af81b TT |
49 | #define __GTHREADS 1 |
50 | ||
51 | #include <pthread.h> | |
52 | ||
53 | typedef pthread_key_t __gthread_key_t; | |
54 | typedef pthread_once_t __gthread_once_t; | |
55 | typedef pthread_mutex_t __gthread_mutex_t; | |
40aac948 | 56 | typedef pthread_mutex_t __gthread_recursive_mutex_t; |
f24af81b | 57 | |
72b16773 | 58 | #define __GTHREAD_ONCE_INIT pthread_once_init |
5241c227 JDA |
59 | |
60 | #define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_mutex_init_function | |
40aac948 | 61 | #define __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION __gthread_recursive_mutex_init_function |
5241c227 | 62 | |
72b16773 | 63 | #define __GTHREAD_MUTEX_INIT_DEFAULT pthread_once_init |
f24af81b TT |
64 | |
65 | #if SUPPORTS_WEAK && GTHREAD_USE_WEAK | |
7ef67393 | 66 | # define __gthrw(name) \ |
72b16773 AO |
67 | static __typeof(name) __gthrw_ ## name __attribute__ ((__weakref__(#name))); |
68 | # define __gthrw_(name) __gthrw_ ## name | |
7ef67393 | 69 | #else |
72b16773 AO |
70 | # define __gthrw(name) |
71 | # define __gthrw_(name) name | |
7ef67393 | 72 | #endif |
f24af81b | 73 | |
72b16773 AO |
74 | __gthrw(pthread_once) |
75 | __gthrw(pthread_keycreate) | |
76 | __gthrw(pthread_getspecific) | |
77 | __gthrw(pthread_setspecific) | |
78 | __gthrw(pthread_create) | |
79 | __gthrw(pthread_mutex_init) | |
4dabf736 | 80 | __gthrw(pthread_mutex_destroy) |
72b16773 AO |
81 | __gthrw(pthread_mutex_lock) |
82 | __gthrw(pthread_mutex_trylock) | |
83 | __gthrw(pthread_mutex_unlock) | |
84 | __gthrw(pthread_mutexattr_create) | |
85 | __gthrw(pthread_mutexattr_setkind_np) | |
86 | __gthrw(pthread_mutexattr_delete) | |
f24af81b | 87 | |
15794a95 | 88 | #ifdef _LIBOBJC |
40f03658 | 89 | /* Objective-C. */ |
72b16773 AO |
90 | __gthrw(pthread_cond_broadcast) |
91 | __gthrw(pthread_cond_destroy) | |
92 | __gthrw(pthread_cond_init) | |
93 | __gthrw(pthread_cond_signal) | |
94 | __gthrw(pthread_cond_wait) | |
95 | __gthrw(pthread_exit) | |
96 | ||
97 | #ifdef pthread_getunique_np | |
98 | # define __gthrw_pthread_getunique_np pthread_getunique_np | |
99 | #else | |
100 | __gthrw(pthread_getunique_np) | |
101 | # define __gthrw_pthread_getunique_np __gthrw_(pthread_getunique_np) | |
102 | #endif | |
103 | ||
104 | __gthrw(pthread_mutex_destroy) | |
105 | __gthrw(pthread_self) | |
106 | __gthrw(pthread_yield) | |
15794a95 L |
107 | #endif |
108 | ||
7ef67393 AO |
109 | #if SUPPORTS_WEAK && GTHREAD_USE_WEAK |
110 | ||
f24af81b | 111 | static inline int |
d1e51320 | 112 | __gthread_active_p (void) |
f24af81b | 113 | { |
72b16773 | 114 | static void *const __gthread_active_ptr = (void *) &__gthrw_(pthread_create); |
f24af81b TT |
115 | return __gthread_active_ptr != 0; |
116 | } | |
117 | ||
118 | #else /* not SUPPORTS_WEAK */ | |
119 | ||
120 | static inline int | |
d1e51320 | 121 | __gthread_active_p (void) |
f24af81b TT |
122 | { |
123 | return 1; | |
124 | } | |
125 | ||
126 | #endif /* SUPPORTS_WEAK */ | |
127 | ||
15794a95 L |
128 | #ifdef _LIBOBJC |
129 | ||
130 | /* Key structure for maintaining thread specific storage */ | |
131 | static pthread_key_t _objc_thread_storage; | |
132 | ||
133 | /* Thread local storage for a single thread */ | |
134 | static void *thread_local_storage = NULL; | |
135 | ||
136 | /* Backend initialization functions */ | |
137 | ||
71287280 | 138 | /* Initialize the threads subsystem. */ |
15794a95 | 139 | static inline int |
dd697f8c | 140 | __gthread_objc_init_thread_system (void) |
15794a95 L |
141 | { |
142 | if (__gthread_active_p ()) | |
ea4b7848 | 143 | /* Initialize the thread storage key. */ |
72b16773 | 144 | return __gthrw_(pthread_keycreate) (&_objc_thread_storage, NULL); |
15794a95 L |
145 | else |
146 | return -1; | |
147 | } | |
148 | ||
71287280 | 149 | /* Close the threads subsystem. */ |
15794a95 | 150 | static inline int |
dd697f8c | 151 | __gthread_objc_close_thread_system (void) |
15794a95 L |
152 | { |
153 | if (__gthread_active_p ()) | |
154 | return 0; | |
155 | else | |
156 | return -1; | |
157 | } | |
158 | ||
159 | /* Backend thread functions */ | |
160 | ||
71287280 | 161 | /* Create a new thread of execution. */ |
15794a95 | 162 | static inline objc_thread_t |
dd697f8c | 163 | __gthread_objc_thread_detach (void (*func)(void *), void *arg) |
15794a95 L |
164 | { |
165 | objc_thread_t thread_id; | |
166 | pthread_t new_thread_handle; | |
167 | ||
168 | if (!__gthread_active_p ()) | |
169 | return NULL; | |
589005ff | 170 | |
72b16773 | 171 | if (!(__gthrw_(pthread_create) (&new_thread_handle, pthread_attr_default, |
dd697f8c | 172 | (void *) func, arg))) |
15794a95 L |
173 | { |
174 | /* ??? May not work! (64bit) */ | |
dd697f8c KH |
175 | thread_id = *(objc_thread_t *) &new_thread_handle; |
176 | pthread_detach (&new_thread_handle); /* Fully detach thread. */ | |
15794a95 L |
177 | } |
178 | else | |
179 | thread_id = NULL; | |
589005ff | 180 | |
15794a95 L |
181 | return thread_id; |
182 | } | |
183 | ||
71287280 | 184 | /* Set the current thread's priority. */ |
15794a95 | 185 | static inline int |
dd697f8c | 186 | __gthread_objc_thread_set_priority (int priority) |
15794a95 L |
187 | { |
188 | int sys_priority = 0; | |
189 | ||
190 | if (!__gthread_active_p ()) | |
191 | return -1; | |
192 | ||
193 | switch (priority) | |
194 | { | |
195 | case OBJC_THREAD_INTERACTIVE_PRIORITY: | |
196 | sys_priority = (PRI_FG_MIN_NP + PRI_FG_MAX_NP) / 2; | |
197 | break; | |
198 | default: | |
199 | case OBJC_THREAD_BACKGROUND_PRIORITY: | |
200 | sys_priority = (PRI_BG_MIN_NP + PRI_BG_MAX_NP) / 2; | |
201 | break; | |
202 | case OBJC_THREAD_LOW_PRIORITY: | |
203 | sys_priority = (PRI_BG_MIN_NP + PRI_BG_MAX_NP) / 2; | |
204 | break; | |
205 | } | |
589005ff | 206 | |
71287280 | 207 | /* Change the priority. */ |
72b16773 | 208 | if (pthread_setprio (__gthrw_(pthread_self) (), sys_priority) >= 0) |
15794a95 L |
209 | return 0; |
210 | else | |
211 | /* Failed */ | |
212 | return -1; | |
213 | } | |
214 | ||
71287280 | 215 | /* Return the current thread's priority. */ |
15794a95 | 216 | static inline int |
dd697f8c | 217 | __gthread_objc_thread_get_priority (void) |
15794a95 L |
218 | { |
219 | int sys_priority; | |
220 | ||
221 | if (__gthread_active_p ()) | |
222 | { | |
72b16773 | 223 | if ((sys_priority = pthread_getprio (__gthrw_(pthread_self) ())) >= 0) |
589005ff | 224 | { |
15794a95 L |
225 | if (sys_priority >= PRI_FG_MIN_NP |
226 | && sys_priority <= PRI_FG_MAX_NP) | |
227 | return OBJC_THREAD_INTERACTIVE_PRIORITY; | |
228 | if (sys_priority >= PRI_BG_MIN_NP | |
229 | && sys_priority <= PRI_BG_MAX_NP) | |
230 | return OBJC_THREAD_BACKGROUND_PRIORITY; | |
231 | return OBJC_THREAD_LOW_PRIORITY; | |
232 | } | |
233 | ||
234 | /* Failed */ | |
235 | return -1; | |
236 | } | |
237 | else | |
238 | return OBJC_THREAD_INTERACTIVE_PRIORITY; | |
239 | } | |
240 | ||
71287280 | 241 | /* Yield our process time to another thread. */ |
15794a95 | 242 | static inline void |
dd697f8c | 243 | __gthread_objc_thread_yield (void) |
15794a95 L |
244 | { |
245 | if (__gthread_active_p ()) | |
72b16773 | 246 | __gthrw_(pthread_yield) (); |
15794a95 L |
247 | } |
248 | ||
71287280 | 249 | /* Terminate the current thread. */ |
15794a95 | 250 | static inline int |
dd697f8c | 251 | __gthread_objc_thread_exit (void) |
15794a95 L |
252 | { |
253 | if (__gthread_active_p ()) | |
254 | /* exit the thread */ | |
72b16773 | 255 | __gthrw_(pthread_exit) (&__objc_thread_exit_status); |
15794a95 L |
256 | |
257 | /* Failed if we reached here */ | |
258 | return -1; | |
259 | } | |
260 | ||
71287280 | 261 | /* Returns an integer value which uniquely describes a thread. */ |
15794a95 | 262 | static inline objc_thread_t |
dd697f8c | 263 | __gthread_objc_thread_id (void) |
15794a95 L |
264 | { |
265 | if (__gthread_active_p ()) | |
266 | { | |
72b16773 | 267 | pthread_t self = __gthrw_(pthread_self) (); |
15794a95 | 268 | |
7ef67393 | 269 | return (objc_thread_t) __gthrw_pthread_getunique_np (&self); |
15794a95 L |
270 | } |
271 | else | |
dd697f8c | 272 | return (objc_thread_t) 1; |
15794a95 L |
273 | } |
274 | ||
71287280 | 275 | /* Sets the thread's local storage pointer. */ |
15794a95 | 276 | static inline int |
dd697f8c | 277 | __gthread_objc_thread_set_data (void *value) |
15794a95 L |
278 | { |
279 | if (__gthread_active_p ()) | |
72b16773 | 280 | return __gthrw_(pthread_setspecific) (_objc_thread_storage, value); |
15794a95 L |
281 | else |
282 | { | |
283 | thread_local_storage = value; | |
284 | return 0; | |
285 | } | |
286 | } | |
287 | ||
71287280 | 288 | /* Returns the thread's local storage pointer. */ |
15794a95 | 289 | static inline void * |
dd697f8c | 290 | __gthread_objc_thread_get_data (void) |
15794a95 L |
291 | { |
292 | void *value = NULL; | |
293 | ||
294 | if (__gthread_active_p ()) | |
295 | { | |
72b16773 | 296 | if (!(__gthrw_(pthread_getspecific) (_objc_thread_storage, &value))) |
15794a95 L |
297 | return value; |
298 | ||
299 | return NULL; | |
300 | } | |
301 | else | |
302 | return thread_local_storage; | |
303 | } | |
304 | ||
305 | /* Backend mutex functions */ | |
306 | ||
71287280 | 307 | /* Allocate a mutex. */ |
15794a95 | 308 | static inline int |
dd697f8c | 309 | __gthread_objc_mutex_allocate (objc_mutex_t mutex) |
15794a95 | 310 | { |
802a8181 DA |
311 | if (__gthread_active_p ()) |
312 | { | |
dd697f8c | 313 | mutex->backend = objc_malloc (sizeof (pthread_mutex_t)); |
802a8181 | 314 | |
72b16773 | 315 | if (__gthrw_(pthread_mutex_init) ((pthread_mutex_t *) mutex->backend, |
dd697f8c | 316 | pthread_mutexattr_default)) |
589005ff | 317 | { |
dd697f8c | 318 | objc_free (mutex->backend); |
589005ff KH |
319 | mutex->backend = NULL; |
320 | return -1; | |
321 | } | |
802a8181 | 322 | } |
15794a95 L |
323 | |
324 | return 0; | |
325 | } | |
326 | ||
71287280 | 327 | /* Deallocate a mutex. */ |
15794a95 | 328 | static inline int |
dd697f8c | 329 | __gthread_objc_mutex_deallocate (objc_mutex_t mutex) |
15794a95 | 330 | { |
6bb92770 DA |
331 | if (__gthread_active_p ()) |
332 | { | |
72b16773 | 333 | if (__gthrw_(pthread_mutex_destroy) ((pthread_mutex_t *) mutex->backend)) |
589005ff | 334 | return -1; |
6bb92770 | 335 | |
dd697f8c | 336 | objc_free (mutex->backend); |
6bb92770 DA |
337 | mutex->backend = NULL; |
338 | } | |
15794a95 L |
339 | |
340 | return 0; | |
341 | } | |
342 | ||
71287280 | 343 | /* Grab a lock on a mutex. */ |
15794a95 | 344 | static inline int |
dd697f8c | 345 | __gthread_objc_mutex_lock (objc_mutex_t mutex) |
15794a95 L |
346 | { |
347 | if (__gthread_active_p ()) | |
72b16773 | 348 | return __gthrw_(pthread_mutex_lock) ((pthread_mutex_t *) mutex->backend); |
15794a95 L |
349 | else |
350 | return 0; | |
351 | } | |
352 | ||
71287280 | 353 | /* Try to grab a lock on a mutex. */ |
15794a95 | 354 | static inline int |
dd697f8c | 355 | __gthread_objc_mutex_trylock (objc_mutex_t mutex) |
15794a95 L |
356 | { |
357 | if (__gthread_active_p () | |
72b16773 | 358 | && __gthrw_(pthread_mutex_trylock) ((pthread_mutex_t *) mutex->backend) != 1) |
15794a95 L |
359 | return -1; |
360 | ||
361 | return 0; | |
362 | } | |
363 | ||
364 | /* Unlock the mutex */ | |
365 | static inline int | |
dd697f8c | 366 | __gthread_objc_mutex_unlock (objc_mutex_t mutex) |
15794a95 L |
367 | { |
368 | if (__gthread_active_p ()) | |
72b16773 | 369 | return __gthrw_(pthread_mutex_unlock) ((pthread_mutex_t *) mutex->backend); |
15794a95 L |
370 | else |
371 | return 0; | |
372 | } | |
373 | ||
374 | /* Backend condition mutex functions */ | |
375 | ||
71287280 | 376 | /* Allocate a condition. */ |
15794a95 | 377 | static inline int |
72b16773 AO |
378 | __gthread_objc_condition_allocate (objc_condition_t condition |
379 | __attribute__ ((__unused__))) | |
15794a95 | 380 | { |
c54dbf8b | 381 | if (__gthread_active_p ()) |
71287280 | 382 | /* Unimplemented. */ |
15794a95 L |
383 | return -1; |
384 | else | |
385 | return 0; | |
386 | } | |
387 | ||
71287280 | 388 | /* Deallocate a condition. */ |
15794a95 | 389 | static inline int |
72b16773 AO |
390 | __gthread_objc_condition_deallocate (objc_condition_t condition |
391 | __attribute__ ((__unused__))) | |
15794a95 L |
392 | { |
393 | if (__gthread_active_p ()) | |
71287280 | 394 | /* Unimplemented. */ |
15794a95 L |
395 | return -1; |
396 | else | |
397 | return 0; | |
398 | } | |
399 | ||
400 | /* Wait on the condition */ | |
401 | static inline int | |
72b16773 AO |
402 | __gthread_objc_condition_wait (objc_condition_t condition |
403 | __attribute__ ((__unused__)), | |
404 | objc_mutex_t mutex __attribute__ ((__unused__))) | |
15794a95 L |
405 | { |
406 | if (__gthread_active_p ()) | |
71287280 | 407 | /* Unimplemented. */ |
15794a95 L |
408 | return -1; |
409 | else | |
410 | return 0; | |
411 | } | |
412 | ||
71287280 | 413 | /* Wake up all threads waiting on this condition. */ |
15794a95 | 414 | static inline int |
72b16773 AO |
415 | __gthread_objc_condition_broadcast (objc_condition_t condition |
416 | __attribute__ ((__unused__))) | |
15794a95 L |
417 | { |
418 | if (__gthread_active_p ()) | |
71287280 | 419 | /* Unimplemented. */ |
15794a95 L |
420 | return -1; |
421 | else | |
422 | return 0; | |
423 | } | |
424 | ||
71287280 | 425 | /* Wake up one thread waiting on this condition. */ |
15794a95 | 426 | static inline int |
72b16773 AO |
427 | __gthread_objc_condition_signal (objc_condition_t condition |
428 | __attribute__ ((__unused__))) | |
15794a95 L |
429 | { |
430 | if (__gthread_active_p ()) | |
71287280 | 431 | /* Unimplemented. */ |
15794a95 L |
432 | return -1; |
433 | else | |
434 | return 0; | |
435 | } | |
436 | ||
437 | #else /* _LIBOBJC */ | |
438 | ||
f24af81b | 439 | static inline int |
09e361bb | 440 | __gthread_once (__gthread_once_t *__once, void (*__func) (void)) |
f24af81b TT |
441 | { |
442 | if (__gthread_active_p ()) | |
09e361bb | 443 | return __gthrw_(pthread_once) (__once, __func); |
f24af81b TT |
444 | else |
445 | return -1; | |
446 | } | |
447 | ||
448 | static inline int | |
09e361bb | 449 | __gthread_key_create (__gthread_key_t *__key, void (*__dtor) (void *)) |
f24af81b | 450 | { |
09e361bb | 451 | return __gthrw_(pthread_keycreate) (__key, __dtor); |
f24af81b TT |
452 | } |
453 | ||
5467baef | 454 | static inline int |
09e361bb | 455 | __gthread_key_delete (__gthread_key_t __key __attribute__ ((__unused__))) |
5467baef JDA |
456 | { |
457 | /* Operation is not supported. */ | |
458 | return -1; | |
459 | } | |
f24af81b TT |
460 | |
461 | static inline void * | |
09e361bb | 462 | __gthread_getspecific (__gthread_key_t __key) |
f24af81b | 463 | { |
09e361bb JJ |
464 | void *__ptr; |
465 | if (__gthrw_(pthread_getspecific) (__key, &__ptr) == 0) | |
466 | return __ptr; | |
f24af81b TT |
467 | else |
468 | return 0; | |
469 | } | |
470 | ||
471 | static inline int | |
09e361bb | 472 | __gthread_setspecific (__gthread_key_t __key, const void *__ptr) |
f24af81b | 473 | { |
1f7ec57e JDA |
474 | return __gthrw_(pthread_setspecific) |
475 | (__key, CONST_CAST2(void *, const void *, __ptr)); | |
f24af81b TT |
476 | } |
477 | ||
5241c227 | 478 | static inline void |
09e361bb | 479 | __gthread_mutex_init_function (__gthread_mutex_t *__mutex) |
5241c227 JDA |
480 | { |
481 | if (__gthread_active_p ()) | |
09e361bb | 482 | __gthrw_(pthread_mutex_init) (__mutex, pthread_mutexattr_default); |
5241c227 JDA |
483 | } |
484 | ||
4dabf736 | 485 | static inline int |
09e361bb | 486 | __gthread_mutx_destroy (__gthread_mutex_t *__mutex) |
4dabf736 JB |
487 | { |
488 | if (__gthread_active_p ()) | |
09e361bb | 489 | return __gthrw_(pthread_mutex_destroy) (__mutex); |
4dabf736 JB |
490 | else |
491 | return 0; | |
492 | } | |
493 | ||
f24af81b | 494 | static inline int |
09e361bb | 495 | __gthread_mutex_lock (__gthread_mutex_t *__mutex) |
f24af81b TT |
496 | { |
497 | if (__gthread_active_p ()) | |
09e361bb | 498 | return __gthrw_(pthread_mutex_lock) (__mutex); |
f24af81b TT |
499 | else |
500 | return 0; | |
501 | } | |
502 | ||
503 | static inline int | |
09e361bb | 504 | __gthread_mutex_trylock (__gthread_mutex_t *__mutex) |
f24af81b TT |
505 | { |
506 | if (__gthread_active_p ()) | |
09e361bb | 507 | return __gthrw_(pthread_mutex_trylock) (__mutex); |
f24af81b TT |
508 | else |
509 | return 0; | |
510 | } | |
511 | ||
512 | static inline int | |
09e361bb | 513 | __gthread_mutex_unlock (__gthread_mutex_t *__mutex) |
f24af81b TT |
514 | { |
515 | if (__gthread_active_p ()) | |
09e361bb | 516 | return __gthrw_(pthread_mutex_unlock) (__mutex); |
f24af81b TT |
517 | else |
518 | return 0; | |
519 | } | |
520 | ||
40aac948 | 521 | static inline int |
09e361bb | 522 | __gthread_recursive_mutex_init_function (__gthread_recursive_mutex_t *__mutex) |
40aac948 JM |
523 | { |
524 | if (__gthread_active_p ()) | |
525 | { | |
09e361bb JJ |
526 | pthread_mutexattr_t __attr; |
527 | int __r; | |
528 | ||
529 | __r = __gthrw_(pthread_mutexattr_create) (&__attr); | |
530 | if (!__r) | |
531 | __r = __gthrw_(pthread_mutexattr_setkind_np) (&__attr, | |
532 | MUTEX_RECURSIVE_NP); | |
533 | if (!__r) | |
534 | __r = __gthrw_(pthread_mutex_init) (__mutex, __attr); | |
535 | if (!__r) | |
536 | __r = __gthrw_(pthread_mutexattr_delete) (&__attr); | |
537 | return __r; | |
40aac948 | 538 | } |
72b16773 | 539 | return 0; |
40aac948 JM |
540 | } |
541 | ||
542 | static inline int | |
09e361bb | 543 | __gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex) |
40aac948 | 544 | { |
09e361bb | 545 | return __gthread_mutex_lock (__mutex); |
40aac948 JM |
546 | } |
547 | ||
548 | static inline int | |
09e361bb | 549 | __gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex) |
40aac948 | 550 | { |
09e361bb | 551 | return __gthread_mutex_trylock (__mutex); |
40aac948 JM |
552 | } |
553 | ||
554 | static inline int | |
09e361bb | 555 | __gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex) |
40aac948 | 556 | { |
09e361bb | 557 | return __gthread_mutex_unlock (__mutex); |
40aac948 JM |
558 | } |
559 | ||
15794a95 L |
560 | #endif /* _LIBOBJC */ |
561 | ||
c36b1123 | 562 | #endif |
88657302 | 563 | #endif /* ! GCC_GTHR_DCE_H */ |