external/gpl3/gcc/lib/libstdc++-v3/arch/or1k/gthr-single.h

   1 /* This file is automatically generated.  DO NOT EDIT! */
   2 /* Generated from: NetBSD: mknative-gcc,v 1.70 2013/05/05 07:11:34 skrll Exp  */
   3 /* Generated from: NetBSD: mknative.common,v 1.8 2006/05/26 19:17:21 mrg Exp  */
   4
   5 /* Threads compatibility routines for libgcc2 and libobjc.  */
   6 /* Compile this one with gcc.  */
   7 /* Copyright (C) 1997-2013 Free Software Foundation, Inc.
   8
   9 This file is part of GCC.
  10
  11 GCC is free software; you can redistribute it and/or modify it under
  12 the terms of the GNU General Public License as published by the Free
  13 Software Foundation; either version 3, or (at your option) any later
  14 version.
  15
  16 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  17 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  19 for more details.
  20
  21 Under Section 7 of GPL version 3, you are granted additional
  22 permissions described in the GCC Runtime Library Exception, version
  23 3.1, as published by the Free Software Foundation.
  24
  25 You should have received a copy of the GNU General Public License and
  26 a copy of the GCC Runtime Library Exception along with this program;
  27 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  28 <http://www.gnu.org/licenses/>.  */
  29
  30 #ifndef _GLIBCXX_GCC_GTHR_SINGLE_H
  31 #define _GLIBCXX_GCC_GTHR_SINGLE_H
  32
  33 /* Just provide compatibility for mutex handling.  */
  34
  35 typedef int __gthread_key_t;
  36 typedef int __gthread_once_t;
  37 typedef int __gthread_mutex_t;
  38 typedef int __gthread_recursive_mutex_t;
  39
  40 #define __GTHREAD_ONCE_INIT 0
  41 #define __GTHREAD_MUTEX_INIT 0
  42 #define __GTHREAD_MUTEX_INIT_FUNCTION(mx)
  43 #define __GTHREAD_RECURSIVE_MUTEX_INIT 0
  44
  45 #define _GLIBCXX_UNUSED __attribute__((unused))
  46
  47 #ifdef _LIBOBJC
  48
  49 /* Thread local storage for a single thread */
  50 static void *thread_local_storage = NULL;
  51
  52 /* Backend initialization functions */
  53
  54 /* Initialize the threads subsystem.  */
  55 static inline int
  56 __gthread_objc_init_thread_system (void)
  57 {
  58   /* No thread support available */
  59   return -1;
  60 }
  61
  62 /* Close the threads subsystem.  */
  63 static inline int
  64 __gthread_objc_close_thread_system (void)
  65 {
  66   /* No thread support available */
  67   return -1;
  68 }
  69
  70 /* Backend thread functions */
  71
  72 /* Create a new thread of execution.  */
  73 static inline objc_thread_t
  74 __gthread_objc_thread_detach (void (* func)(void *), void * arg _GLIBCXX_UNUSED)
  75 {
  76   /* No thread support available */
  77   return NULL;
  78 }
  79
  80 /* Set the current thread's priority.  */
  81 static inline int
  82 __gthread_objc_thread_set_priority (int priority _GLIBCXX_UNUSED)
  83 {
  84   /* No thread support available */
  85   return -1;
  86 }
  87
  88 /* Return the current thread's priority.  */
  89 static inline int
  90 __gthread_objc_thread_get_priority (void)
  91 {
  92   return OBJC_THREAD_INTERACTIVE_PRIORITY;
  93 }
  94
  95 /* Yield our process time to another thread.  */
  96 static inline void
  97 __gthread_objc_thread_yield (void)
  98 {
  99   return;
 100 }
 101
 102 /* Terminate the current thread.  */
 103 static inline int
 104 __gthread_objc_thread_exit (void)
 105 {
 106   /* No thread support available */
 107   /* Should we really exit the program */
 108   /* exit (&__objc_thread_exit_status); */
 109   return -1;
 110 }
 111
 112 /* Returns an integer value which uniquely describes a thread.  */
 113 static inline objc_thread_t
 114 __gthread_objc_thread_id (void)
 115 {
 116   /* No thread support, use 1.  */
 117   return (objc_thread_t) 1;
 118 }
 119
 120 /* Sets the thread's local storage pointer.  */
 121 static inline int
 122 __gthread_objc_thread_set_data (void *value)
 123 {
 124   thread_local_storage = value;
 125   return 0;
 126 }
 127
 128 /* Returns the thread's local storage pointer.  */
 129 static inline void *
 130 __gthread_objc_thread_get_data (void)
 131 {
 132   return thread_local_storage;
 133 }
 134
 135 /* Backend mutex functions */
 136
 137 /* Allocate a mutex.  */
 138 static inline int
 139 __gthread_objc_mutex_allocate (objc_mutex_t mutex _GLIBCXX_UNUSED)
 140 {
 141   return 0;
 142 }
 143
 144 /* Deallocate a mutex.  */
 145 static inline int
 146 __gthread_objc_mutex_deallocate (objc_mutex_t mutex _GLIBCXX_UNUSED)
 147 {
 148   return 0;
 149 }
 150
 151 /* Grab a lock on a mutex.  */
 152 static inline int
 153 __gthread_objc_mutex_lock (objc_mutex_t mutex _GLIBCXX_UNUSED)
 154 {
 155   /* There can only be one thread, so we always get the lock */
 156   return 0;
 157 }
 158
 159 /* Try to grab a lock on a mutex.  */
 160 static inline int
 161 __gthread_objc_mutex_trylock (objc_mutex_t mutex _GLIBCXX_UNUSED)
 162 {
 163   /* There can only be one thread, so we always get the lock */
 164   return 0;
 165 }
 166
 167 /* Unlock the mutex */
 168 static inline int
 169 __gthread_objc_mutex_unlock (objc_mutex_t mutex _GLIBCXX_UNUSED)
 170 {
 171   return 0;
 172 }
 173
 174 /* Backend condition mutex functions */
 175
 176 /* Allocate a condition.  */
 177 static inline int
 178 __gthread_objc_condition_allocate (objc_condition_t condition _GLIBCXX_UNUSED)
 179 {
 180   return 0;
 181 }
 182
 183 /* Deallocate a condition.  */
 184 static inline int
 185 __gthread_objc_condition_deallocate (objc_condition_t condition _GLIBCXX_UNUSED)
 186 {
 187   return 0;
 188 }
 189
 190 /* Wait on the condition */
 191 static inline int
 192 __gthread_objc_condition_wait (objc_condition_t condition _GLIBCXX_UNUSED,
 193                                objc_mutex_t mutex _GLIBCXX_UNUSED)
 194 {
 195   return 0;
 196 }
 197
 198 /* Wake up all threads waiting on this condition.  */
 199 static inline int
 200 __gthread_objc_condition_broadcast (objc_condition_t condition _GLIBCXX_UNUSED)
 201 {
 202   return 0;
 203 }
 204
 205 /* Wake up one thread waiting on this condition.  */
 206 static inline int
 207 __gthread_objc_condition_signal (objc_condition_t condition _GLIBCXX_UNUSED)
 208 {
 209   return 0;
 210 }
 211
 212 #else /* _LIBOBJC */
 213
 214 static inline int
 215 __gthread_active_p (void)
 216 {
 217   return 0;
 218 }
 219
 220 static inline int
 221 __gthread_once (__gthread_once_t *__once _GLIBCXX_UNUSED, void (*__func) (void) _GLIBCXX_UNUSED)
 222 {
 223   return 0;
 224 }
 225
 226 static inline int _GLIBCXX_UNUSED
 227 __gthread_key_create (__gthread_key_t *__key _GLIBCXX_UNUSED, void (*__func) (void *) _GLIBCXX_UNUSED)
 228 {
 229   return 0;
 230 }
 231
 232 static int _GLIBCXX_UNUSED
 233 __gthread_key_delete (__gthread_key_t __key _GLIBCXX_UNUSED)
 234 {
 235   return 0;
 236 }
 237
 238 static inline void *
 239 __gthread_getspecific (__gthread_key_t __key _GLIBCXX_UNUSED)
 240 {
 241   return 0;
 242 }
 243
 244 static inline int
 245 __gthread_setspecific (__gthread_key_t __key _GLIBCXX_UNUSED, const void *__v _GLIBCXX_UNUSED)
 246 {
 247   return 0;
 248 }
 249
 250 static inline int
 251 __gthread_mutex_destroy (__gthread_mutex_t *__mutex _GLIBCXX_UNUSED)
 252 {
 253   return 0;
 254 }
 255
 256 static inline int
 257 __gthread_mutex_lock (__gthread_mutex_t *__mutex _GLIBCXX_UNUSED)
 258 {
 259   return 0;
 260 }
 261
 262 static inline int
 263 __gthread_mutex_trylock (__gthread_mutex_t *__mutex _GLIBCXX_UNUSED)
 264 {
 265   return 0;
 266 }
 267
 268 static inline int
 269 __gthread_mutex_unlock (__gthread_mutex_t *__mutex _GLIBCXX_UNUSED)
 270 {
 271   return 0;
 272 }
 273
 274 static inline int
 275 __gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *__mutex)
 276 {
 277   return __gthread_mutex_lock (__mutex);
 278 }
 279
 280 static inline int
 281 __gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *__mutex)
 282 {
 283   return __gthread_mutex_trylock (__mutex);
 284 }
 285
 286 static inline int
 287 __gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *__mutex)
 288 {
 289   return __gthread_mutex_unlock (__mutex);
 290 }
 291
 292 static inline int
 293 __gthread_recursive_mutex_destroy (__gthread_recursive_mutex_t *__mutex)
 294 {
 295   return __gthread_mutex_destroy (__mutex);
 296 }
 297
 298 #endif /* _LIBOBJC */
 299
 300 #undef _GLIBCXX_UNUSED
 301
 302 #endif /* ! _GLIBCXX_GCC_GTHR_SINGLE_H */