sysdeps/htl/pthread-functions.h

   1 /* Declaration of libc stubs for pthread functions.  Hurd version.
   2    Copyright (C) 2003-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library;  if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #ifndef _PTHREAD_FUNCTIONS_H
  20 #define _PTHREAD_FUNCTIONS_H    1
  21
  22 #include <pthread.h>
  23
  24 int __pthread_attr_destroy (pthread_attr_t *);
  25 int __pthread_attr_init (pthread_attr_t *);
  26 int __pthread_attr_getdetachstate (const pthread_attr_t *, int *);
  27 int __pthread_attr_setdetachstate (pthread_attr_t *, int);
  28 int __pthread_attr_getinheritsched (const pthread_attr_t *, int *);
  29 int __pthread_attr_setinheritsched (pthread_attr_t *, int);
  30 int __pthread_attr_getschedparam (const pthread_attr_t *,
  31                                  struct sched_param *);
  32 int __pthread_attr_setschedparam (pthread_attr_t *,
  33                                  const struct sched_param *);
  34 int __pthread_attr_getschedpolicy (const pthread_attr_t *, int *);
  35 int __pthread_attr_setschedpolicy (pthread_attr_t *, int);
  36 int __pthread_attr_getscope (const pthread_attr_t *, int *);
  37 int __pthread_attr_setscope (pthread_attr_t *, int);
  38 int __pthread_condattr_destroy (pthread_condattr_t *);
  39 int __pthread_condattr_init (pthread_condattr_t *);
  40 int __pthread_cond_broadcast (pthread_cond_t *);
  41 int __pthread_cond_destroy (pthread_cond_t *);
  42 int __pthread_cond_init (pthread_cond_t *,
  43                        const pthread_condattr_t *);
  44 int __pthread_cond_signal (pthread_cond_t *);
  45 int __pthread_cond_wait (pthread_cond_t *, pthread_mutex_t *);
  46 int __pthread_cond_timedwait (pthread_cond_t *, pthread_mutex_t *,
  47                              const struct timespec *);
  48 int __pthread_equal (pthread_t, pthread_t);
  49 void __pthread_exit (void *) __attribute__ ((__noreturn__));
  50 int __pthread_getschedparam (pthread_t, int *, struct sched_param *);
  51 int __pthread_setschedparam (pthread_t, int,
  52                             const struct sched_param *);
  53 int _pthread_mutex_destroy (pthread_mutex_t *);
  54 int _pthread_mutex_init (pthread_mutex_t *,
  55                          const pthread_mutexattr_t *);
  56 int __pthread_mutex_lock (pthread_mutex_t *);
  57 int __pthread_mutex_trylock (pthread_mutex_t *);
  58 int __pthread_mutex_unlock (pthread_mutex_t *);
  59 int __pthread_setcancelstate (int, int *);
  60 int __pthread_setcanceltype (int, int *);
  61 struct __pthread_cancelation_handler **__pthread_get_cleanup_stack (void);
  62 int __pthread_once (pthread_once_t *, void (*) (void));
  63 int __pthread_rwlock_rdlock (pthread_rwlock_t *);
  64 int __pthread_rwlock_wrlock (pthread_rwlock_t *);
  65 int __pthread_rwlock_unlock (pthread_rwlock_t *);
  66 int __pthread_key_create (pthread_key_t *, void (*) (void *));
  67 void *__pthread_getspecific (pthread_key_t);
  68 int __pthread_setspecific (pthread_key_t, const void *);
  69
  70 void _cthreads_flockfile (FILE *);
  71 void _cthreads_funlockfile (FILE *);
  72 int _cthreads_ftrylockfile (FILE *);
  73
  74 /* Data type shared with libc.  The libc uses it to pass on calls to
  75    the thread functions.  Wine pokes directly into this structure,
  76    so if possible avoid breaking it and append new hooks to the end.  */
  77 struct pthread_functions
  78 {
  79   int (*ptr_pthread_attr_destroy) (pthread_attr_t *);
  80   int (*ptr_pthread_attr_init) (pthread_attr_t *);
  81   int (*ptr_pthread_attr_getdetachstate) (const pthread_attr_t *, int *);
  82   int (*ptr_pthread_attr_setdetachstate) (pthread_attr_t *, int);
  83   int (*ptr_pthread_attr_getinheritsched) (const pthread_attr_t *, int *);
  84   int (*ptr_pthread_attr_setinheritsched) (pthread_attr_t *, int);
  85   int (*ptr_pthread_attr_getschedparam) (const pthread_attr_t *,
  86                                          struct sched_param *);
  87   int (*ptr_pthread_attr_setschedparam) (pthread_attr_t *,
  88                                          const struct sched_param *);
  89   int (*ptr_pthread_attr_getschedpolicy) (const pthread_attr_t *, int *);
  90   int (*ptr_pthread_attr_setschedpolicy) (pthread_attr_t *, int);
  91   int (*ptr_pthread_attr_getscope) (const pthread_attr_t *, int *);
  92   int (*ptr_pthread_attr_setscope) (pthread_attr_t *, int);
  93   int (*ptr_pthread_condattr_destroy) (pthread_condattr_t *);
  94   int (*ptr_pthread_condattr_init) (pthread_condattr_t *);
  95   int (*ptr_pthread_cond_broadcast) (pthread_cond_t *);
  96   int (*ptr_pthread_cond_destroy) (pthread_cond_t *);
  97   int (*ptr_pthread_cond_init) (pthread_cond_t *,
  98                                const pthread_condattr_t *);
  99   int (*ptr_pthread_cond_signal) (pthread_cond_t *);
 100   int (*ptr_pthread_cond_wait) (pthread_cond_t *, pthread_mutex_t *);
 101   int (*ptr_pthread_cond_timedwait) (pthread_cond_t *, pthread_mutex_t *,
 102                                      const struct timespec *);
 103   int (*ptr_pthread_equal) (pthread_t, pthread_t);
 104   void (*ptr___pthread_exit) (void *) __attribute__ ((__noreturn__));
 105   int (*ptr_pthread_getschedparam) (pthread_t, int *, struct sched_param *);
 106   int (*ptr_pthread_setschedparam) (pthread_t, int,
 107                                     const struct sched_param *);
 108   int (*ptr_pthread_mutex_destroy) (pthread_mutex_t *);
 109   int (*ptr_pthread_mutex_init) (pthread_mutex_t *,
 110                                  const pthread_mutexattr_t *);
 111   int (*ptr_pthread_mutex_lock) (pthread_mutex_t *);
 112   int (*ptr_pthread_mutex_trylock) (pthread_mutex_t *);
 113   int (*ptr_pthread_mutex_unlock) (pthread_mutex_t *);
 114   int (*ptr___pthread_setcancelstate) (int, int *);
 115   int (*ptr_pthread_setcanceltype) (int, int *);
 116   struct __pthread_cancelation_handler **(*ptr___pthread_get_cleanup_stack) (void);
 117   int (*ptr_pthread_once) (pthread_once_t *, void (*) (void));
 118   int (*ptr_pthread_rwlock_rdlock) (pthread_rwlock_t *);
 119   int (*ptr_pthread_rwlock_wrlock) (pthread_rwlock_t *);
 120   int (*ptr_pthread_rwlock_unlock) (pthread_rwlock_t *);
 121   int (*ptr___pthread_key_create) (pthread_key_t *, void (*) (void *));
 122   void *(*ptr___pthread_getspecific) (pthread_key_t);
 123   int (*ptr___pthread_setspecific) (pthread_key_t, const void *);
 124   void (*ptr__IO_flockfile) (FILE *);
 125   void (*ptr__IO_funlockfile) (FILE *);
 126   int (*ptr__IO_ftrylockfile) (FILE *);
 127 };
 128
 129 /* Variable in libc.so.  */
 130 extern struct pthread_functions __libc_pthread_functions attribute_hidden;
 131 extern int __libc_pthread_functions_init attribute_hidden;
 132
 133 void __libc_pthread_init (const struct pthread_functions *functions);
 134
 135 #define PTHFCT_CALL(fct, params) \
 136     __libc_pthread_functions.fct params
 137
 138 #endif  /* pthread-functions.h */