include/wine/pthread.h

   1 /*
   2  * Definitions for Wine pthread emulation
   3  *
   4  * Copyright 2003 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #ifndef __WINE_WINE_PTHREAD_H
  22 #define __WINE_WINE_PTHREAD_H
  23
  24 struct wine_pthread_callbacks;
  25
  26 #ifdef HAVE_PTHREAD_H
  27
  28 #define _GNU_SOURCE
  29 #include <pthread.h>
  30
  31 #ifndef HAVE_PTHREAD_RWLOCK_T
  32 typedef void *pthread_rwlock_t;
  33 #endif
  34 #ifndef HAVE_PTHREAD_RWLOCKATTR_T
  35 typedef void *pthread_rwlockattr_t;
  36 #endif
  37
  38 struct wine_pthread_callbacks
  39 {
  40     void *    (*ptr_get_thread_data)(void);
  41     void      (*ptr_set_thread_data)(void *data);
  42     pthread_t (*ptr_pthread_self)(void);
  43     int       (*ptr_pthread_equal)(pthread_t thread1, pthread_t thread2);
  44     int       (*ptr_pthread_create)(pthread_t* thread, const pthread_attr_t* attr,
  45                                     void* (*start_routine)(void *), void* arg);
  46     int       (*ptr_pthread_cancel)(pthread_t thread);
  47     int       (*ptr_pthread_join)(pthread_t thread, void **value_ptr);
  48     int       (*ptr_pthread_detach)(pthread_t thread);
  49     void      (*ptr_pthread_exit)(void *retval, char *currentframe);
  50     int       (*ptr_pthread_mutex_init)(pthread_mutex_t *mutex, const pthread_mutexattr_t *mutexattr);
  51     int       (*ptr_pthread_mutex_lock)(pthread_mutex_t *mutex);
  52     int       (*ptr_pthread_mutex_trylock)(pthread_mutex_t *mutex);
  53     int       (*ptr_pthread_mutex_unlock)(pthread_mutex_t *mutex);
  54     int       (*ptr_pthread_mutex_destroy)(pthread_mutex_t *mutex);
  55     int       (*ptr_pthread_rwlock_init)(pthread_rwlock_t *rwlock,
  56                                          const pthread_rwlockattr_t *rwlock_attr);
  57     int       (*ptr_pthread_rwlock_destroy)(pthread_rwlock_t *rwlock);
  58     int       (*ptr_pthread_rwlock_rdlock)(pthread_rwlock_t *rwlock);
  59     int       (*ptr_pthread_rwlock_tryrdlock)(pthread_rwlock_t *rwlock);
  60     int       (*ptr_pthread_rwlock_wrlock)(pthread_rwlock_t *rwlock);
  61     int       (*ptr_pthread_rwlock_trywrlock)(pthread_rwlock_t *rwlock);
  62     int       (*ptr_pthread_rwlock_unlock)(pthread_rwlock_t *rwlock);
  63     int       (*ptr_pthread_cond_init)(pthread_cond_t *cond, const pthread_condattr_t *cond_attr);
  64     int       (*ptr_pthread_cond_destroy)(pthread_cond_t *cond);
  65     int       (*ptr_pthread_cond_signal)(pthread_cond_t *cond);
  66     int       (*ptr_pthread_cond_broadcast)(pthread_cond_t *cond);
  67     int       (*ptr_pthread_cond_wait)(pthread_cond_t *cond, pthread_mutex_t *mutex);
  68     int       (*ptr_pthread_cond_timedwait)(pthread_cond_t *cond, pthread_mutex_t *mutex,
  69                                             const struct timespec *abstime);
  70 };
  71
  72 #endif /* HAVE_PTHREAD_H */
  73
  74 /* we don't want to include winnt.h here */
  75 #ifndef DECLSPEC_NORETURN
  76 # if defined(_MSC_VER) && (_MSC_VER >= 1200)
  77 #  define DECLSPEC_NORETURN __declspec(noreturn)
  78 # elif defined(__GNUC__)
  79 #  define DECLSPEC_NORETURN __attribute__((noreturn))
  80 # else
  81 #  define DECLSPEC_NORETURN
  82 # endif
  83 #endif
  84
  85 /* thread information used to creating and exiting threads */
  86 struct wine_pthread_thread_info
  87 {
  88     void          *stack_base;  /* base address of the stack */
  89     size_t         stack_size;  /* size of the stack */
  90     void          *teb_base;    /* base address of the TEB */
  91     size_t         teb_size;    /* size of the TEB (possibly including signal stack) */
  92     unsigned short teb_sel;     /* selector to use for TEB */
  93     int            pid;         /* Unix process id */
  94     int            tid;         /* Unix thread id */
  95     void         (*entry)( struct wine_pthread_thread_info *info );  /* thread entry point */
  96     long           exit_status; /* thread exit status when calling wine_pthread_exit_thread */
  97 };
  98
  99 struct wine_pthread_functions
 100 {
 101     void   (*init_process)( const struct wine_pthread_callbacks *callbacks, size_t size );
 102     void   (*init_thread)( struct wine_pthread_thread_info *info );
 103     int    (*create_thread)( struct wine_pthread_thread_info *info );
 104     void   (*init_current_teb)( struct wine_pthread_thread_info *info );
 105     void * (*get_current_teb)(void);
 106     void   (* DECLSPEC_NORETURN exit_thread)( struct wine_pthread_thread_info *info );
 107     void   (* DECLSPEC_NORETURN abort_thread)( long status );
 108 };
 109
 110 extern void wine_pthread_get_functions( struct wine_pthread_functions *functions, size_t size );
 111 extern void wine_pthread_set_functions( const struct wine_pthread_functions *functions, size_t size );
 112
 113 #endif  /* __WINE_WINE_PTHREAD_H */