gcc/gthr-posix.c

   1 /* POSIX threads dummy routines for systems without weak definitions.  */
   2 /* Compile this one with gcc.  */
   3 /* Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify it under
   8 the terms of the GNU General Public License as published by the Free
   9 Software Foundation; either version 3, or (at your option) any later
  10 version.
  11
  12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  15 for more details.
  16
  17 Under Section 7 of GPL version 3, you are granted additional
  18 permissions described in the GCC Runtime Library Exception, version
  19 3.1, as published by the Free Software Foundation.
  20
  21 You should have received a copy of the GNU General Public License and
  22 a copy of the GCC Runtime Library Exception along with this program;
  23 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  24 <http://www.gnu.org/licenses/>.  */
  25
  26 #include "tconfig.h"
  27 #include "tm.h"
  28 # define __gthrw_pragma(pragma) _Pragma (#pragma)
  29 /* Define so we provide weak definitions of functions used by libobjc only.  */
  30 #define _LIBOBJC_WEAK
  31 #include "gthr.h"
  32
  33 int
  34 pthread_once (pthread_once_t *once ATTRIBUTE_UNUSED,
  35               void (*func) (void) ATTRIBUTE_UNUSED)
  36 {
  37   return -1;
  38 }
  39
  40 int
  41 pthread_key_create (pthread_key_t *key ATTRIBUTE_UNUSED,
  42                     void (*dtor) (void *) ATTRIBUTE_UNUSED)
  43 {
  44   return -1;
  45 }
  46
  47 int
  48 pthread_key_delete (pthread_key_t key ATTRIBUTE_UNUSED)
  49 {
  50   return 0;
  51 }
  52
  53 void *
  54 pthread_getspecific (pthread_key_t key ATTRIBUTE_UNUSED)
  55 {
  56   return 0;
  57 }
  58
  59 int
  60 pthread_setspecific (pthread_key_t key ATTRIBUTE_UNUSED,
  61                      const void *ptr ATTRIBUTE_UNUSED)
  62 {
  63   return 0;
  64 }
  65
  66 int
  67 pthread_create (pthread_t *thread ATTRIBUTE_UNUSED,
  68                 const pthread_attr_t *attr ATTRIBUTE_UNUSED,
  69                 void *(*start_routine) (void *) ATTRIBUTE_UNUSED,
  70                 void *arg ATTRIBUTE_UNUSED)
  71 {
  72   return 0;
  73 }
  74
  75 int
  76 pthread_join (pthread_t thread ATTRIBUTE_UNUSED,
  77               void **value_ptr ATTRIBUTE_UNUSED)
  78 {
  79   return 0;
  80 }
  81
  82 void
  83 pthread_exit (void *value_ptr ATTRIBUTE_UNUSED)
  84 {
  85 }
  86
  87 int
  88 pthread_detach (pthread_t thread ATTRIBUTE_UNUSED)
  89 {
  90   return 0;
  91 }
  92
  93 int
  94 pthread_cancel (pthread_t thread ATTRIBUTE_UNUSED)
  95 {
  96   return 0;
  97 }
  98
  99 int
 100 pthread_mutex_lock (pthread_mutex_t *mutex ATTRIBUTE_UNUSED)
 101 {
 102   return 0;
 103 }
 104
 105 int
 106 pthread_mutex_trylock (pthread_mutex_t *mutex ATTRIBUTE_UNUSED)
 107 {
 108   return 0;
 109 }
 110
 111 #ifdef _POSIX_TIMEOUTS
 112 #if _POSIX_TIMEOUTS >= 0
 113 int
 114 pthread_mutex_timedlock (pthread_mutex_t *mutex ATTRIBUTE_UNUSED,
 115                          const struct timespec *abs_timeout ATTRIBUTE_UNUSED)
 116 {
 117   return 0;
 118 }
 119 #endif
 120 #endif /* _POSIX_TIMEOUTS */
 121
 122 int
 123 pthread_mutex_unlock (pthread_mutex_t *mutex ATTRIBUTE_UNUSED)
 124 {
 125   return 0;
 126 }
 127
 128 int
 129 pthread_mutexattr_init (pthread_mutexattr_t *attr ATTRIBUTE_UNUSED)
 130 {
 131   return 0;
 132 }
 133
 134 int
 135 pthread_mutexattr_settype (pthread_mutexattr_t *attr ATTRIBUTE_UNUSED,
 136                            int type ATTRIBUTE_UNUSED)
 137 {
 138   return 0;
 139 }
 140
 141 int
 142 pthread_mutexattr_destroy (pthread_mutexattr_t *attr ATTRIBUTE_UNUSED)
 143 {
 144   return 0;
 145 }
 146
 147 int
 148 pthread_cond_broadcast (pthread_cond_t *cond ATTRIBUTE_UNUSED)
 149 {
 150   return 0;
 151 }
 152
 153 int
 154 pthread_cond_destroy (pthread_cond_t *cond ATTRIBUTE_UNUSED)
 155 {
 156   return 0;
 157 }
 158
 159 int
 160 pthread_cond_init (pthread_cond_t *cond ATTRIBUTE_UNUSED,
 161                    const pthread_condattr_t *attr ATTRIBUTE_UNUSED)
 162 {
 163   return 0;
 164 }
 165
 166 int
 167 pthread_cond_signal (pthread_cond_t *cond ATTRIBUTE_UNUSED)
 168 {
 169   return 0;
 170 }
 171
 172 int
 173 pthread_cond_wait (pthread_cond_t *cond ATTRIBUTE_UNUSED,
 174                    pthread_mutex_t *mutex ATTRIBUTE_UNUSED)
 175 {
 176   return 0;
 177 }
 178
 179 int
 180 pthread_cond_timedwait (pthread_cond_t *cond ATTRIBUTE_UNUSED,
 181                         pthread_mutex_t *mutex ATTRIBUTE_UNUSED,
 182                         const struct timespec *abstime ATTRIBUTE_UNUSED)
 183 {
 184   return 0;
 185 }
 186
 187 int
 188 pthread_mutex_init (pthread_mutex_t *mutex ATTRIBUTE_UNUSED,
 189                     const pthread_mutexattr_t *attr ATTRIBUTE_UNUSED)
 190 {
 191   return 0;
 192 }
 193
 194 int
 195 pthread_mutex_destroy (pthread_mutex_t *mutex ATTRIBUTE_UNUSED)
 196 {
 197   return 0;
 198 }
 199
 200 pthread_t
 201 pthread_self (void)
 202 {
 203   return (pthread_t) 0;
 204 }
 205
 206 #ifdef _POSIX_PRIORITY_SCHEDULING
 207 #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
 208 int
 209 sched_get_priority_max (int policy ATTRIBUTE_UNUSED)
 210 {
 211   return 0;
 212 }
 213
 214 int
 215 sched_get_priority_min (int policy ATTRIBUTE_UNUSED)
 216 {
 217   return 0;
 218 }
 219 #endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
 220 #endif /* _POSIX_PRIORITY_SCHEDULING */
 221
 222 int
 223 sched_yield (void)
 224 {
 225   return 0;
 226 }
 227
 228 int
 229 pthread_attr_destroy (pthread_attr_t *attr ATTRIBUTE_UNUSED)
 230 {
 231   return 0;
 232 }
 233
 234 int
 235 pthread_attr_init (pthread_attr_t *attr ATTRIBUTE_UNUSED)
 236 {
 237   return 0;
 238 }
 239
 240 int
 241 pthread_attr_setdetachstate (pthread_attr_t *attr ATTRIBUTE_UNUSED,
 242                              int detachstate ATTRIBUTE_UNUSED)
 243 {
 244   return 0;
 245 }
 246
 247 #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
 248 int
 249 pthread_getschedparam (pthread_t thread ATTRIBUTE_UNUSED,
 250                        int *policy ATTRIBUTE_UNUSED,
 251                        struct sched_param *param ATTRIBUTE_UNUSED)
 252 {
 253   return 0;
 254 }
 255
 256 int
 257 pthread_setschedparam (pthread_t thread ATTRIBUTE_UNUSED,
 258                        int policy ATTRIBUTE_UNUSED,
 259                        const struct sched_param *param ATTRIBUTE_UNUSED)
 260 {
 261   return 0;
 262 }
 263 #endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
 264