2 * pthread emulation based on kernel threads
4 * We can't use pthreads directly, so why not let libcs
5 * that want pthreads use Wine's own threading instead...
7 * Copyright 1999 Ove Kåven
8 * Copyright 2003 Alexandre Julliard
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #include "wine/port.h"
28 struct _pthread_cleanup_buffer;
39 #include <sys/types.h>
40 #ifdef HAVE_SYS_SOCKET_H
41 # include <sys/socket.h>
43 #ifdef HAVE_SYS_MMAN_H
46 #ifdef HAVE_NETINET_IN_H
47 # include <netinet/in.h>
49 #ifdef HAVE_ARPA_NAMESER_H
50 # include <arpa/nameser.h>
55 #ifdef HAVE_VALGRIND_MEMCHECK_H
56 #include <valgrind/memcheck.h>
58 #ifdef HAVE_SYS_SYSCALL_H
59 # include <sys/syscall.h>
64 #ifdef HAVE_UCONTEXT_H
65 # include <ucontext.h>
71 #include "wine/library.h"
72 #include "wine/pthread.h"
74 #define P_OUTPUT(stuff) write(2,stuff,strlen(stuff))
76 #define PSTR(str) __ASM_NAME(#str)
78 static struct wine_pthread_functions funcs;
80 /* thread descriptor */
83 #define MAX_KEYS 16 /* libc6 doesn't use that many, but... */
86 struct pthread_descr_struct
93 struct __res_state res_state;
94 const void *key_data[MAX_KEYS]; /* for normal pthread keys */
95 const void *tsd_data[MAX_TSD]; /* for libc internal tsd variables */
98 typedef struct pthread_descr_struct *pthread_descr;
100 static struct pthread_descr_struct initial_descr;
102 pthread_descr __pthread_thread_self(void)
104 struct pthread_descr_struct *descr;
105 if (!funcs.ptr_get_thread_data) return &initial_descr;
106 descr = funcs.ptr_get_thread_data();
107 if (!descr) return &initial_descr;
111 static int (*libc_uselocale)(int set);
112 static int *libc_multiple_threads;
114 /***********************************************************************
115 * __errno_location/__error/__errno/___errno/__thr_errno
117 * Get the per-thread errno location.
119 int *__errno_location(void) /* Linux */
121 pthread_descr descr = __pthread_thread_self();
122 return &descr->thread_errno;
124 int *__error(void) { return __errno_location(); } /* FreeBSD */
125 int *__errno(void) { return __errno_location(); } /* NetBSD */
126 int *___errno(void) { return __errno_location(); } /* Solaris */
127 int *__thr_errno(void) { return __errno_location(); } /* UnixWare */
129 /***********************************************************************
132 * Get the per-thread h_errno location.
134 int *__h_errno_location(void)
136 pthread_descr descr = __pthread_thread_self();
137 return &descr->thread_h_errno;
140 struct __res_state *__res_state(void)
142 pthread_descr descr = __pthread_thread_self();
143 return &descr->res_state;
146 static inline void writejump( const char *symbol, void *dest )
148 #if defined(__GLIBC__) && defined(__i386__)
149 unsigned char *addr = wine_dlsym( RTLD_NEXT, symbol, NULL, 0 );
153 /* write a relative jump at the function address */
154 mprotect((void*)((unsigned int)addr & ~(getpagesize()-1)), 5, PROT_READ|PROT_EXEC|PROT_WRITE);
156 *(int *)(addr+1) = (unsigned char *)dest - (addr + 5);
157 mprotect((void*)((unsigned int)addr & ~(getpagesize()-1)), 5, PROT_READ|PROT_EXEC);
159 # ifdef HAVE_VALGRIND_MEMCHECK_H
160 VALGRIND_DISCARD_TRANSLATIONS( addr, 5 );
162 #endif /* __GLIBC__ && __i386__ */
165 /* temporary stacks used on thread exit */
166 #define TEMP_STACK_SIZE 1024
167 #define NB_TEMP_STACKS 8
168 static char temp_stacks[NB_TEMP_STACKS][TEMP_STACK_SIZE];
169 static LONG next_temp_stack; /* next temp stack to use */
171 /***********************************************************************
174 * Get a temporary stack address to run the thread exit code on.
176 inline static char *get_temp_stack(void)
178 unsigned int next = interlocked_xchg_add( &next_temp_stack, 1 );
179 return temp_stacks[next % NB_TEMP_STACKS] + TEMP_STACK_SIZE;
183 /***********************************************************************
186 * Cleanup the remains of a thread. Runs on a temporary stack.
188 static void cleanup_thread( void *ptr )
190 /* copy the info structure since it is on the stack we will free */
191 struct wine_pthread_thread_info info = *(struct wine_pthread_thread_info *)ptr;
192 wine_ldt_free_fs( info.teb_sel );
193 munmap( info.stack_base, info.stack_size );
194 munmap( info.teb_base, info.teb_size );
195 #ifdef HAVE__LWP_CREATE
198 _exit( info.exit_status );
202 /***********************************************************************
203 * wine_pthread_init_process
205 * Initialization for a newly created process.
207 void wine_pthread_init_process( const struct wine_pthread_functions *functions )
209 memcpy( &funcs, functions, min(functions->size,sizeof(funcs)) );
210 funcs.ptr_set_thread_data( &initial_descr );
214 /***********************************************************************
215 * wine_pthread_init_thread
217 * Initialization for a newly created thread.
219 void wine_pthread_init_thread( struct wine_pthread_thread_info *info )
221 struct pthread_descr_struct *descr;
223 if (funcs.ptr_set_thread_data)
225 descr = calloc( 1, sizeof(*descr) );
226 funcs.ptr_set_thread_data( descr );
227 if (libc_multiple_threads) *libc_multiple_threads = 1;
229 else /* first thread */
231 descr = &initial_descr;
232 writejump( "__errno_location", __errno_location );
233 writejump( "__h_errno_location", __h_errno_location );
234 writejump( "__res_state", __res_state );
236 descr->cancel_state = PTHREAD_CANCEL_ENABLE;
237 descr->cancel_type = PTHREAD_CANCEL_ASYNCHRONOUS;
238 if (libc_uselocale) libc_uselocale( -1 /*LC_GLOBAL_LOCALE*/ );
242 /***********************************************************************
243 * wine_pthread_create_thread
245 int wine_pthread_create_thread( struct wine_pthread_thread_info *info )
247 if (!info->stack_base)
249 info->stack_base = wine_anon_mmap( NULL, info->stack_size,
250 PROT_READ | PROT_WRITE | PROT_EXEC, 0 );
251 if (info->stack_base == (void *)-1) return -1;
254 if (clone( (int (*)(void *))info->entry, (char *)info->stack_base + info->stack_size,
255 CLONE_VM | CLONE_FS | CLONE_FILES | SIGCHLD, info ) < 0)
258 #elif defined(HAVE_RFORK)
260 void **sp = (void **)((char *)info->stack_base + info->stack_size);
264 __asm__ __volatile__(
265 "pushl %2;\n\t" /* flags */
266 "pushl $0;\n\t" /* 0 ? */
267 "movl %1,%%eax;\n\t" /* SYS_rfork */
268 ".byte 0x9a; .long 0; .word 7;\n\t" /* lcall 7:0... FreeBSD syscall */
269 "cmpl $0, %%edx;\n\t"
271 "movl %0,%%esp;\n\t" /* child -> new thread */
273 "1:\n\t" /* parent -> caller thread */
275 : "r" (sp), "g" (SYS_rfork), "g" (RFPROC | RFMEM | RFTHREAD)
279 #elif defined(HAVE__LWP_CREATE)
282 _lwp_makecontext( &context, (void(*)(void *))info->entry, info,
283 NULL, info->stack_base, info->stack_size );
284 if ( _lwp_create( &context, 0, NULL ) )
293 /***********************************************************************
294 * wine_pthread_init_current_teb
296 * Set the current TEB for a new thread.
298 void wine_pthread_init_current_teb( struct wine_pthread_thread_info *info )
301 /* On the i386, the current thread is in the %fs register */
304 wine_ldt_set_base( &fs_entry, info->teb_base );
305 wine_ldt_set_limit( &fs_entry, info->teb_size - 1 );
306 wine_ldt_set_flags( &fs_entry, WINE_LDT_FLAGS_DATA|WINE_LDT_FLAGS_32BIT );
307 wine_ldt_init_fs( info->teb_sel, &fs_entry );
308 #elif defined(HAVE__LWP_CREATE)
309 /* On non-i386 Solaris, we use the LWP private pointer */
310 _lwp_setprivate( info->teb_base );
311 #elif defined(__powerpc__)
312 /* On PowerPC, the current TEB is in the gpr13 register */
314 __asm__ __volatile__("mr r13, %0" : : "r" (info->teb_base));
316 __asm__ __volatile__("mr 2, %0" : : "r" (info->teb_base));
318 #elif defined(__ALPHA__)
319 /* FIXME: On Alpha, the current TEB is not accessible to user-space */
320 /* __asm__ __volatile__();*/
322 # error You must implement wine_pthread_init_current_teb for your platform
325 /* set pid and tid */
326 info->pid = getpid();
327 #ifdef HAVE__LWP_SELF
328 info->tid = _lwp_self();
335 /***********************************************************************
336 * wine_pthread_get_current_teb
338 void *wine_pthread_get_current_teb(void)
343 __asm__( ".byte 0x64\n\tmovl 0x18,%0" : "=r" (ret) );
344 #elif defined(HAVE__LWP_CREATE)
345 ret = _lwp_getprivate();
346 #elif defined(__powerpc__)
348 __asm__( "mr %0,r13" : "=r" (ret) );
350 __asm__( "mr %0,2" : "=r" (ret) );
352 #elif defined(__ALPHA__)
353 /* 0x00ab is the PAL opcode for rdteb */
354 __asm__( "lda $30,8($30)\n\t"
356 "call_pal 0x00ab\n\t"
359 "lda $30,-8($30)" : "=r" (ret) );
361 # error wine_pthread_get_current_teb not defined for this architecture
362 #endif /* __i386__ */
368 /***********************************************************************
369 * wine_pthread_exit_thread
371 void wine_pthread_exit_thread( struct wine_pthread_thread_info *info )
373 wine_switch_to_stack( cleanup_thread, info, get_temp_stack() );
377 /***********************************************************************
378 * wine_pthread_abort_thread
380 void wine_pthread_abort_thread( int status )
382 #ifdef HAVE__LWP_CREATE
389 /* Currently this probably works only for glibc2,
390 * which checks for the presence of double-underscore-prepended
391 * pthread primitives, and use them if available.
392 * If they are not available, the libc defaults to
393 * non-threadsafe operation (not good). */
395 #if defined(HAVE_PTHREAD_H) && (defined(__GLIBC__) || defined(__FreeBSD__))
397 /* adapt as necessary (a construct like this is used in glibc sources) */
398 #define strong_alias(orig, alias) \
399 asm(".globl " PSTR(alias) "\n" \
400 "\t.set " PSTR(alias) "," PSTR(orig))
404 /* pthread functions redirection */
406 struct pthread_functions
408 pid_t (*ptr_pthread_fork) (struct fork_block *);
409 int (*ptr_pthread_attr_destroy) (pthread_attr_t *);
410 int (*ptr___pthread_attr_init_2_0) (pthread_attr_t *);
411 int (*ptr___pthread_attr_init_2_1) (pthread_attr_t *);
412 int (*ptr_pthread_attr_getdetachstate) (const pthread_attr_t *, int *);
413 int (*ptr_pthread_attr_setdetachstate) (pthread_attr_t *, int);
414 int (*ptr_pthread_attr_getinheritsched) (const pthread_attr_t *, int *);
415 int (*ptr_pthread_attr_setinheritsched) (pthread_attr_t *, int);
416 int (*ptr_pthread_attr_getschedparam) (const pthread_attr_t *, struct sched_param *);
417 int (*ptr_pthread_attr_setschedparam) (pthread_attr_t *, const struct sched_param *);
418 int (*ptr_pthread_attr_getschedpolicy) (const pthread_attr_t *, int *);
419 int (*ptr_pthread_attr_setschedpolicy) (pthread_attr_t *, int);
420 int (*ptr_pthread_attr_getscope) (const pthread_attr_t *, int *);
421 int (*ptr_pthread_attr_setscope) (pthread_attr_t *, int);
422 int (*ptr_pthread_condattr_destroy) (pthread_condattr_t *);
423 int (*ptr_pthread_condattr_init) (pthread_condattr_t *);
424 int (*ptr___pthread_cond_broadcast) (pthread_cond_t *);
425 int (*ptr___pthread_cond_destroy) (pthread_cond_t *);
426 int (*ptr___pthread_cond_init) (pthread_cond_t *, const pthread_condattr_t *);
427 int (*ptr___pthread_cond_signal) (pthread_cond_t *);
428 int (*ptr___pthread_cond_wait) (pthread_cond_t *, pthread_mutex_t *);
429 int (*ptr_pthread_equal) (pthread_t, pthread_t);
430 void (*ptr___pthread_exit) (void *);
431 int (*ptr_pthread_getschedparam) (pthread_t, int *, struct sched_param *);
432 int (*ptr_pthread_setschedparam) (pthread_t, int, const struct sched_param *);
433 int (*ptr_pthread_mutex_destroy) (pthread_mutex_t *);
434 int (*ptr_pthread_mutex_init) (pthread_mutex_t *, const pthread_mutexattr_t *);
435 int (*ptr_pthread_mutex_lock) (pthread_mutex_t *);
436 int (*ptr_pthread_mutex_trylock) (pthread_mutex_t *);
437 int (*ptr_pthread_mutex_unlock) (pthread_mutex_t *);
438 pthread_t (*ptr_pthread_self) (void);
439 int (*ptr_pthread_setcancelstate) (int, int *);
440 int (*ptr_pthread_setcanceltype) (int, int *);
441 void (*ptr_pthread_do_exit) (void *retval, char *currentframe);
442 void (*ptr_pthread_cleanup_upto) (jmp_buf target, char *targetframe);
443 pthread_descr (*ptr_pthread_thread_self) (void);
444 int (*ptr_pthread_internal_tsd_set) (int key, const void *pointer);
445 void * (*ptr_pthread_internal_tsd_get) (int key);
446 void ** __attribute__ ((__const__)) (*ptr_pthread_internal_tsd_address) (int key);
447 int (*ptr_pthread_sigaction) (int sig, const struct sigaction * act, struct sigaction *oact);
448 int (*ptr_pthread_sigwait) (const sigset_t *set, int *sig);
449 int (*ptr_pthread_raise) (int sig);
450 int (*ptr___pthread_cond_timedwait) (pthread_cond_t *, pthread_mutex_t *, const struct timespec *);
451 void (*ptr__pthread_cleanup_push) (struct _pthread_cleanup_buffer * buffer, void (*routine)(void *), void * arg);
452 void (*ptr__pthread_cleanup_pop) (struct _pthread_cleanup_buffer * buffer, int execute);
455 static pid_t (*libc_fork)(void);
456 static int (*libc_sigaction)(int signum, const struct sigaction *act, struct sigaction *oldact);
457 static int *(*libc_pthread_init)( const struct pthread_functions *funcs );
459 static struct pthread_functions libc_pthread_functions;
461 strong_alias(__pthread_thread_self, pthread_thread_self);
463 /* redefine this to prevent libpthread from overriding our function pointers */
464 int *__libc_pthread_init( const struct pthread_functions *funcs )
466 return libc_multiple_threads;
469 typedef struct _wine_cleanup {
470 void (*routine)(void *);
474 int pthread_create(pthread_t* thread, const pthread_attr_t* attr, void*
475 (*start_routine)(void *), void* arg)
477 assert( funcs.ptr_pthread_create );
478 return funcs.ptr_pthread_create( thread, attr, start_routine, arg );
481 int pthread_cancel(pthread_t thread)
483 assert( funcs.ptr_pthread_cancel );
484 return funcs.ptr_pthread_cancel( thread );
487 int pthread_join(pthread_t thread, void **value_ptr)
489 assert( funcs.ptr_pthread_join );
490 return funcs.ptr_pthread_join( thread, value_ptr );
493 int pthread_detach(pthread_t thread)
495 assert( funcs.ptr_pthread_detach );
496 return funcs.ptr_pthread_detach( thread );
499 /* FIXME: we have no equivalents in win32 for the policys */
500 /* so just keep this as a stub */
501 int pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy)
503 P_OUTPUT("FIXME:pthread_attr_setschedpolicy\n");
507 /* FIXME: no win32 equivalent for scope */
508 int pthread_attr_setscope(pthread_attr_t *attr, int scope)
510 P_OUTPUT("FIXME:pthread_attr_setscope\n");
511 return 0; /* return success */
514 /* FIXME: no win32 equivalent for schedule param */
515 int pthread_attr_setschedparam(pthread_attr_t *attr,
516 const struct sched_param *param)
518 P_OUTPUT("FIXME:pthread_attr_setschedparam\n");
519 return 0; /* return success */
523 int pthread_attr_setstack(pthread_attr_t *attr, void *addr, size_t size)
525 return 0; /* return success */
528 int __pthread_once(pthread_once_t *once_control, void (*init_routine)(void))
530 static pthread_once_t the_once = PTHREAD_ONCE_INIT;
533 memcpy(&once_now,&the_once,sizeof(once_now));
534 if (interlocked_cmpxchg((long*)once_control, once_now+1, once_now) == once_now)
538 strong_alias(__pthread_once, pthread_once);
540 void __pthread_kill_other_threads_np(void)
542 /* we don't need to do anything here */
544 strong_alias(__pthread_kill_other_threads_np, pthread_kill_other_threads_np);
548 #define MAX_ATFORK 8 /* libc doesn't need that many anyway */
550 static pthread_mutex_t atfork_mutex = PTHREAD_MUTEX_INITIALIZER;
552 typedef void (*atfork_handler)();
553 static atfork_handler atfork_prepare[MAX_ATFORK];
554 static atfork_handler atfork_parent[MAX_ATFORK];
555 static atfork_handler atfork_child[MAX_ATFORK];
556 static int atfork_count;
558 int __pthread_atfork(void (*prepare)(void), void (*parent)(void), void (*child)(void))
560 pthread_mutex_lock( &atfork_mutex );
561 assert( atfork_count < MAX_ATFORK );
562 atfork_prepare[atfork_count] = prepare;
563 atfork_parent[atfork_count] = parent;
564 atfork_child[atfork_count] = child;
566 pthread_mutex_unlock( &atfork_mutex );
569 strong_alias(__pthread_atfork, pthread_atfork);
578 libc_fork = wine_dlsym( RTLD_NEXT, "fork", NULL, 0 );
581 pthread_mutex_lock( &atfork_mutex );
582 /* prepare handlers are called in reverse insertion order */
583 for (i = atfork_count - 1; i >= 0; i--) if (atfork_prepare[i]) atfork_prepare[i]();
584 if (!(pid = libc_fork()))
586 pthread_mutex_init( &atfork_mutex, NULL );
587 for (i = 0; i < atfork_count; i++) if (atfork_child[i]) atfork_child[i]();
591 for (i = 0; i < atfork_count; i++) if (atfork_parent[i]) atfork_parent[i]();
592 pthread_mutex_unlock( &atfork_mutex );
596 strong_alias(__fork, fork);
598 /***** MUTEXES *****/
600 int __pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *mutexattr)
602 if (!funcs.ptr_pthread_mutex_init) return 0;
603 return funcs.ptr_pthread_mutex_init( mutex, mutexattr );
605 strong_alias(__pthread_mutex_init, pthread_mutex_init);
607 int __pthread_mutex_lock(pthread_mutex_t *mutex)
609 if (!funcs.ptr_pthread_mutex_lock) return 0;
610 return funcs.ptr_pthread_mutex_lock( mutex );
612 strong_alias(__pthread_mutex_lock, pthread_mutex_lock);
614 int __pthread_mutex_trylock(pthread_mutex_t *mutex)
616 if (!funcs.ptr_pthread_mutex_trylock) return 0;
617 return funcs.ptr_pthread_mutex_trylock( mutex );
619 strong_alias(__pthread_mutex_trylock, pthread_mutex_trylock);
621 int __pthread_mutex_unlock(pthread_mutex_t *mutex)
623 if (!funcs.ptr_pthread_mutex_unlock) return 0;
624 return funcs.ptr_pthread_mutex_unlock( mutex );
626 strong_alias(__pthread_mutex_unlock, pthread_mutex_unlock);
628 int __pthread_mutex_destroy(pthread_mutex_t *mutex)
630 if (!funcs.ptr_pthread_mutex_destroy) return 0;
631 return funcs.ptr_pthread_mutex_destroy( mutex );
633 strong_alias(__pthread_mutex_destroy, pthread_mutex_destroy);
636 /***** MUTEX ATTRIBUTES *****/
637 /* just dummies, since critical sections are always recursive */
639 int __pthread_mutexattr_init(pthread_mutexattr_t *attr)
643 strong_alias(__pthread_mutexattr_init, pthread_mutexattr_init);
645 int __pthread_mutexattr_destroy(pthread_mutexattr_t *attr)
649 strong_alias(__pthread_mutexattr_destroy, pthread_mutexattr_destroy);
651 int __pthread_mutexattr_setkind_np(pthread_mutexattr_t *attr, int kind)
655 strong_alias(__pthread_mutexattr_setkind_np, pthread_mutexattr_setkind_np);
657 int __pthread_mutexattr_getkind_np(pthread_mutexattr_t *attr, int *kind)
659 *kind = PTHREAD_MUTEX_RECURSIVE;
662 strong_alias(__pthread_mutexattr_getkind_np, pthread_mutexattr_getkind_np);
664 int __pthread_mutexattr_settype(pthread_mutexattr_t *attr, int kind)
668 strong_alias(__pthread_mutexattr_settype, pthread_mutexattr_settype);
670 int __pthread_mutexattr_gettype(const pthread_mutexattr_t *attr, int *kind)
672 *kind = PTHREAD_MUTEX_RECURSIVE;
675 strong_alias(__pthread_mutexattr_gettype, pthread_mutexattr_gettype);
678 /***** THREAD-SPECIFIC VARIABLES (KEYS) *****/
680 int __pthread_key_create(pthread_key_t *key, void (*destr_function)(void *))
682 static long keycnt = FIRST_KEY;
683 *key = interlocked_xchg_add(&keycnt, 1);
686 strong_alias(__pthread_key_create, pthread_key_create);
688 int __pthread_key_delete(pthread_key_t key)
692 strong_alias(__pthread_key_delete, pthread_key_delete);
694 int __pthread_setspecific(pthread_key_t key, const void *pointer)
696 pthread_descr descr = __pthread_thread_self();
697 descr->key_data[key] = pointer;
700 strong_alias(__pthread_setspecific, pthread_setspecific);
702 void *__pthread_getspecific(pthread_key_t key)
704 pthread_descr descr = __pthread_thread_self();
705 return (void *)descr->key_data[key];
707 strong_alias(__pthread_getspecific, pthread_getspecific);
709 static int pthread_internal_tsd_set( int key, const void *pointer )
711 pthread_descr descr = __pthread_thread_self();
712 descr->tsd_data[key] = pointer;
715 int (*__libc_internal_tsd_set)(int, const void *) = pthread_internal_tsd_set;
717 static void *pthread_internal_tsd_get( int key )
719 pthread_descr descr = __pthread_thread_self();
720 return (void *)descr->tsd_data[key];
722 void* (*__libc_internal_tsd_get)(int) = pthread_internal_tsd_get;
724 static void ** __attribute__((const)) pthread_internal_tsd_address( int key )
726 pthread_descr descr = __pthread_thread_self();
727 return (void **)&descr->tsd_data[key];
729 void** (*__libc_internal_tsd_address)(int) = pthread_internal_tsd_address;
731 /***** "EXCEPTION" FRAMES *****/
732 /* not implemented right now */
734 void _pthread_cleanup_push(struct _pthread_cleanup_buffer *buffer, void (*routine)(void *), void *arg)
736 ((wine_cleanup)buffer)->routine = routine;
737 ((wine_cleanup)buffer)->arg = arg;
740 void _pthread_cleanup_pop(struct _pthread_cleanup_buffer *buffer, int execute)
742 if (execute) (*(((wine_cleanup)buffer)->routine))(((wine_cleanup)buffer)->arg);
745 void _pthread_cleanup_push_defer(struct _pthread_cleanup_buffer *buffer, void (*routine)(void *), void *arg)
747 _pthread_cleanup_push(buffer, routine, arg);
750 void _pthread_cleanup_pop_restore(struct _pthread_cleanup_buffer *buffer, int execute)
752 _pthread_cleanup_pop(buffer, execute);
755 void __pthread_cleanup_upto(jmp_buf target, char *frame)
760 /***** CONDITIONS *****/
762 int __pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *cond_attr)
764 if (!funcs.ptr_pthread_cond_init) return 0;
765 return funcs.ptr_pthread_cond_init(cond, cond_attr);
767 strong_alias(__pthread_cond_init, pthread_cond_init);
769 int __pthread_cond_destroy(pthread_cond_t *cond)
771 if (!funcs.ptr_pthread_cond_destroy) return 0;
772 return funcs.ptr_pthread_cond_destroy(cond);
774 strong_alias(__pthread_cond_destroy, pthread_cond_destroy);
776 int __pthread_cond_signal(pthread_cond_t *cond)
778 if (!funcs.ptr_pthread_cond_signal) return 0;
779 return funcs.ptr_pthread_cond_signal(cond);
781 strong_alias(__pthread_cond_signal, pthread_cond_signal);
783 int __pthread_cond_broadcast(pthread_cond_t *cond)
785 if (!funcs.ptr_pthread_cond_broadcast) return 0;
786 return funcs.ptr_pthread_cond_broadcast(cond);
788 strong_alias(__pthread_cond_broadcast, pthread_cond_broadcast);
790 int __pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
792 if (!funcs.ptr_pthread_cond_wait) return 0;
793 return funcs.ptr_pthread_cond_wait(cond, mutex);
795 strong_alias(__pthread_cond_wait, pthread_cond_wait);
797 int __pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, const struct timespec *abstime)
799 if (!funcs.ptr_pthread_cond_timedwait) return 0;
800 return funcs.ptr_pthread_cond_timedwait(cond, mutex, abstime);
802 strong_alias(__pthread_cond_timedwait, pthread_cond_timedwait);
804 /**** CONDITION ATTRIBUTES *****/
805 /* not implemented right now */
807 int pthread_condattr_init(pthread_condattr_t *attr)
812 int pthread_condattr_destroy(pthread_condattr_t *attr)
817 /***** READ-WRITE LOCKS *****/
819 int __pthread_rwlock_init(pthread_rwlock_t *rwlock, const pthread_rwlockattr_t *rwlock_attr)
821 assert( funcs.ptr_pthread_rwlock_init );
822 return funcs.ptr_pthread_rwlock_init( rwlock, rwlock_attr );
824 strong_alias(__pthread_rwlock_init, pthread_rwlock_init);
826 int __pthread_rwlock_destroy(pthread_rwlock_t *rwlock)
828 assert( funcs.ptr_pthread_rwlock_destroy );
829 return funcs.ptr_pthread_rwlock_destroy( rwlock );
831 strong_alias(__pthread_rwlock_destroy, pthread_rwlock_destroy);
833 int __pthread_rwlock_rdlock(pthread_rwlock_t *rwlock)
835 if (!funcs.ptr_pthread_rwlock_rdlock) return 0;
836 return funcs.ptr_pthread_rwlock_rdlock( rwlock );
838 strong_alias(__pthread_rwlock_rdlock, pthread_rwlock_rdlock);
840 int __pthread_rwlock_tryrdlock(pthread_rwlock_t *rwlock)
842 assert( funcs.ptr_pthread_rwlock_tryrdlock );
843 return funcs.ptr_pthread_rwlock_tryrdlock( rwlock );
845 strong_alias(__pthread_rwlock_tryrdlock, pthread_rwlock_tryrdlock);
847 int __pthread_rwlock_wrlock(pthread_rwlock_t *rwlock)
849 assert( funcs.ptr_pthread_rwlock_wrlock );
850 return funcs.ptr_pthread_rwlock_wrlock( rwlock );
852 strong_alias(__pthread_rwlock_wrlock, pthread_rwlock_wrlock);
854 int __pthread_rwlock_trywrlock(pthread_rwlock_t *rwlock)
856 assert( funcs.ptr_pthread_rwlock_trywrlock );
857 return funcs.ptr_pthread_rwlock_trywrlock( rwlock );
859 strong_alias(__pthread_rwlock_trywrlock, pthread_rwlock_trywrlock);
861 int __pthread_rwlock_unlock(pthread_rwlock_t *rwlock)
863 if (!funcs.ptr_pthread_rwlock_unlock) return 0;
864 return funcs.ptr_pthread_rwlock_unlock( rwlock );
866 strong_alias(__pthread_rwlock_unlock, pthread_rwlock_unlock);
868 /**** READ-WRITE LOCK ATTRIBUTES *****/
869 /* not implemented right now */
871 int pthread_rwlockattr_init(pthread_rwlockattr_t *attr)
876 int __pthread_rwlockattr_destroy(pthread_rwlockattr_t *attr)
880 strong_alias(__pthread_rwlockattr_destroy, pthread_rwlockattr_destroy);
882 int pthread_rwlockattr_getkind_np(const pthread_rwlockattr_t *attr, int *pref)
888 int pthread_rwlockattr_setkind_np(pthread_rwlockattr_t *attr, int pref)
895 pthread_t pthread_self(void)
897 assert( funcs.ptr_pthread_self );
898 return funcs.ptr_pthread_self();
901 int pthread_equal(pthread_t thread1, pthread_t thread2)
903 assert( funcs.ptr_pthread_equal );
904 return funcs.ptr_pthread_equal( thread1, thread2 );
907 void __pthread_do_exit(void *retval, char *currentframe)
909 assert( funcs.ptr_pthread_exit );
910 return funcs.ptr_pthread_exit( retval, currentframe );
913 void __pthread_exit(void *retval)
915 __pthread_do_exit( retval, NULL );
917 strong_alias(__pthread_exit, pthread_exit);
919 int pthread_setcancelstate(int state, int *oldstate)
921 pthread_descr descr = __pthread_thread_self();
922 if (oldstate) *oldstate = descr->cancel_state;
923 descr->cancel_state = state;
927 int pthread_setcanceltype(int type, int *oldtype)
929 pthread_descr descr = __pthread_thread_self();
930 if (oldtype) *oldtype = descr->cancel_type;
931 descr->cancel_type = type;
935 /***** ANTI-OVERRIDES *****/
936 /* pthreads tries to override these, point them back to libc */
938 int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact)
942 libc_sigaction = wine_dlsym( RTLD_NEXT, "sigaction", NULL, 0 );
943 assert( libc_sigaction );
945 return libc_sigaction(signum, act, oldact);
948 void __pthread_initialize(void)
955 libc_fork = wine_dlsym( RTLD_NEXT, "fork", NULL, 0 );
956 libc_sigaction = wine_dlsym( RTLD_NEXT, "sigaction", NULL, 0 );
957 libc_uselocale = wine_dlsym( RTLD_DEFAULT, "uselocale", NULL, 0 );
958 libc_pthread_init = wine_dlsym( RTLD_NEXT, "__libc_pthread_init", NULL, 0 );
959 if (libc_pthread_init) libc_multiple_threads = libc_pthread_init( &libc_pthread_functions );
962 DECL_GLOBAL_CONSTRUCTOR(init) { __pthread_initialize(); }
964 static struct pthread_functions libc_pthread_functions =
966 NULL, /* ptr_pthread_fork */
967 NULL, /* FIXME */ /* ptr_pthread_attr_destroy */
968 NULL, /* FIXME */ /* ptr___pthread_attr_init_2_0 */
969 NULL, /* FIXME */ /* ptr___pthread_attr_init_2_1 */
970 NULL, /* FIXME */ /* ptr_pthread_attr_getdetachstate */
971 NULL, /* FIXME */ /* ptr_pthread_attr_setdetachstate */
972 NULL, /* FIXME */ /* ptr_pthread_attr_getinheritsched */
973 NULL, /* FIXME */ /* ptr_pthread_attr_setinheritsched */
974 NULL, /* FIXME */ /* ptr_pthread_attr_getschedparam */
975 pthread_attr_setschedparam, /* ptr_pthread_attr_setschedparam */
976 NULL, /* FIXME */ /* ptr_pthread_attr_getschedpolicy */
977 NULL, /* FIXME */ /* ptr_pthread_attr_setschedpolicy */
978 NULL, /* FIXME */ /* ptr_pthread_attr_getscope */
979 NULL, /* FIXME */ /* ptr_pthread_attr_setscope */
980 pthread_condattr_destroy, /* ptr_pthread_condattr_destroy */
981 pthread_condattr_init, /* ptr_pthread_condattr_init */
982 __pthread_cond_broadcast, /* ptr___pthread_cond_broadcast */
983 __pthread_cond_destroy, /* ptr___pthread_cond_destroy */
984 __pthread_cond_init, /* ptr___pthread_cond_init */
985 __pthread_cond_signal, /* ptr___pthread_cond_signal */
986 __pthread_cond_wait, /* ptr___pthread_cond_wait */
987 pthread_equal, /* ptr_pthread_equal */
988 __pthread_exit, /* ptr___pthread_exit */
989 NULL, /* FIXME */ /* ptr_pthread_getschedparam */
990 NULL, /* FIXME */ /* ptr_pthread_setschedparam */
991 __pthread_mutex_destroy, /* ptr_pthread_mutex_destroy */
992 __pthread_mutex_init, /* ptr_pthread_mutex_init */
993 __pthread_mutex_lock, /* ptr_pthread_mutex_lock */
994 __pthread_mutex_trylock, /* ptr_pthread_mutex_trylock */
995 __pthread_mutex_unlock, /* ptr_pthread_mutex_unlock */
996 pthread_self, /* ptr_pthread_self */
997 pthread_setcancelstate, /* ptr_pthread_setcancelstate */
998 pthread_setcanceltype, /* ptr_pthread_setcanceltype */
999 __pthread_do_exit, /* ptr_pthread_do_exit */
1000 __pthread_cleanup_upto, /* ptr_pthread_cleanup_upto */
1001 __pthread_thread_self, /* ptr_pthread_thread_self */
1002 pthread_internal_tsd_set, /* ptr_pthread_internal_tsd_set */
1003 pthread_internal_tsd_get, /* ptr_pthread_internal_tsd_get */
1004 pthread_internal_tsd_address, /* ptr_pthread_internal_tsd_address */
1005 NULL, /* ptr_pthread_sigaction */
1006 NULL, /* ptr_pthread_sigwait */
1007 NULL, /* ptr_pthread_raise */
1008 __pthread_cond_timedwait, /* ptr___pthread_cond_timedwait */
1009 _pthread_cleanup_push, /* ptr__pthread_cleanup_push */
1010 _pthread_cleanup_pop /* ptr__pthread_cleanup_pop */
1013 #endif /* HAVE_PTHREAD_H && (__GLIBC__ || __FREEBSD__) */