libgcc/config/alpha/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, 2011
   4    Free Software Foundation, Inc.
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify it under
   9 the terms of the GNU General Public License as published by the Free
  10 Software Foundation; either version 3, or (at your option) any later
  11 version.
  12
  13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
  14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
  15 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  16 for more details.
  17
  18 Under Section 7 of GPL version 3, you are granted additional
  19 permissions described in the GCC Runtime Library Exception, version
  20 3.1, as published by the Free Software Foundation.
  21
  22 You should have received a copy of the GNU General Public License and
  23 a copy of the GCC Runtime Library Exception along with this program;
  24 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  25 <http://www.gnu.org/licenses/>.  */
  26
  27 #include "tconfig.h"
  28 #include "tm.h"
  29 #include "libgcc_tm.h"
  30 # define __gthrw_pragma(pragma) _Pragma (#pragma)
  31 /* Define so we provide weak definitions of functions used by libobjc only.  */
  32 #define _LIBOBJC_WEAK
  33 #include "gthr.h"
  34
  35 int
  36 pthread_once (pthread_once_t *once ATTRIBUTE_UNUSED,
  37               void (*func) (void) ATTRIBUTE_UNUSED)
  38 {
  39   return -1;
  40 }
  41
  42 int
  43 pthread_key_create (pthread_key_t *key ATTRIBUTE_UNUSED,
  44                     void (*dtor) (void *) ATTRIBUTE_UNUSED)
  45 {
  46   return -1;
  47 }
  48
  49 int
  50 pthread_key_delete (pthread_key_t key ATTRIBUTE_UNUSED)
  51 {
  52   return 0;
  53 }
  54
  55 void *
  56 pthread_getspecific (pthread_key_t key ATTRIBUTE_UNUSED)
  57 {
  58   return 0;
  59 }
  60
  61 int
  62 pthread_setspecific (pthread_key_t key ATTRIBUTE_UNUSED,
  63                      const void *ptr ATTRIBUTE_UNUSED)
  64 {
  65   return 0;
  66 }
  67
  68 int
  69 pthread_create (pthread_t *thread ATTRIBUTE_UNUSED,
  70                 const pthread_attr_t *attr ATTRIBUTE_UNUSED,
  71                 void *(*start_routine) (void *) ATTRIBUTE_UNUSED,
  72                 void *arg ATTRIBUTE_UNUSED)
  73 {
  74   return 0;
  75 }
  76
  77 int
  78 pthread_join (pthread_t thread ATTRIBUTE_UNUSED,
  79               void **value_ptr ATTRIBUTE_UNUSED)
  80 {
  81   return 0;
  82 }
  83
  84 void
  85 pthread_exit (void *value_ptr ATTRIBUTE_UNUSED)
  86 {
  87 }
  88
  89 int
  90 pthread_detach (pthread_t thread ATTRIBUTE_UNUSED)
  91 {
  92   return 0;
  93 }
  94
  95 int
  96 pthread_cancel (pthread_t thread ATTRIBUTE_UNUSED)
  97 {
  98   return 0;
  99 }
 100
 101 int
 102 pthread_mutex_lock (pthread_mutex_t *mutex ATTRIBUTE_UNUSED)
 103 {
 104   return 0;
 105 }
 106
 107 int
 108 pthread_mutex_trylock (pthread_mutex_t *mutex ATTRIBUTE_UNUSED)
 109 {
 110   return 0;
 111 }
 112
 113 #ifdef _POSIX_TIMEOUTS
 114 #if _POSIX_TIMEOUTS >= 0
 115 int
 116 pthread_mutex_timedlock (pthread_mutex_t *mutex ATTRIBUTE_UNUSED,
 117                          const struct timespec *abs_timeout ATTRIBUTE_UNUSED)
 118 {
 119   return 0;
 120 }
 121 #endif
 122 #endif /* _POSIX_TIMEOUTS */
 123
 124 int
 125 pthread_mutex_unlock (pthread_mutex_t *mutex ATTRIBUTE_UNUSED)
 126 {
 127   return 0;
 128 }
 129
 130 int
 131 pthread_mutexattr_init (pthread_mutexattr_t *attr ATTRIBUTE_UNUSED)
 132 {
 133   return 0;
 134 }
 135
 136 int
 137 pthread_mutexattr_settype (pthread_mutexattr_t *attr ATTRIBUTE_UNUSED,
 138                            int type ATTRIBUTE_UNUSED)
 139 {
 140   return 0;
 141 }
 142
 143 int
 144 pthread_mutexattr_destroy (pthread_mutexattr_t *attr ATTRIBUTE_UNUSED)
 145 {
 146   return 0;
 147 }
 148
 149 int
 150 pthread_cond_broadcast (pthread_cond_t *cond ATTRIBUTE_UNUSED)
 151 {
 152   return 0;
 153 }
 154
 155 int
 156 pthread_cond_destroy (pthread_cond_t *cond ATTRIBUTE_UNUSED)
 157 {
 158   return 0;
 159 }
 160
 161 int
 162 pthread_cond_init (pthread_cond_t *cond ATTRIBUTE_UNUSED,
 163                    const pthread_condattr_t *attr ATTRIBUTE_UNUSED)
 164 {
 165   return 0;
 166 }
 167
 168 int
 169 pthread_cond_signal (pthread_cond_t *cond ATTRIBUTE_UNUSED)
 170 {
 171   return 0;
 172 }
 173
 174 int
 175 pthread_cond_wait (pthread_cond_t *cond ATTRIBUTE_UNUSED,
 176                    pthread_mutex_t *mutex ATTRIBUTE_UNUSED)
 177 {
 178   return 0;
 179 }
 180
 181 int
 182 pthread_cond_timedwait (pthread_cond_t *cond ATTRIBUTE_UNUSED,
 183                         pthread_mutex_t *mutex ATTRIBUTE_UNUSED,
 184                         const struct timespec *abstime ATTRIBUTE_UNUSED)
 185 {
 186   return 0;
 187 }
 188
 189 int
 190 pthread_mutex_init (pthread_mutex_t *mutex ATTRIBUTE_UNUSED,
 191                     const pthread_mutexattr_t *attr ATTRIBUTE_UNUSED)
 192 {
 193   return 0;
 194 }
 195
 196 int
 197 pthread_mutex_destroy (pthread_mutex_t *mutex ATTRIBUTE_UNUSED)
 198 {
 199   return 0;
 200 }
 201
 202 pthread_t
 203 pthread_self (void)
 204 {
 205   return (pthread_t) 0;
 206 }
 207
 208 #ifdef _POSIX_PRIORITY_SCHEDULING
 209 #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
 210 int
 211 sched_get_priority_max (int policy ATTRIBUTE_UNUSED)
 212 {
 213   return 0;
 214 }
 215
 216 int
 217 sched_get_priority_min (int policy ATTRIBUTE_UNUSED)
 218 {
 219   return 0;
 220 }
 221 #endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
 222 #endif /* _POSIX_PRIORITY_SCHEDULING */
 223
 224 int
 225 sched_yield (void)
 226 {
 227   return 0;
 228 }
 229
 230 int
 231 pthread_attr_destroy (pthread_attr_t *attr ATTRIBUTE_UNUSED)
 232 {
 233   return 0;
 234 }
 235
 236 int
 237 pthread_attr_init (pthread_attr_t *attr ATTRIBUTE_UNUSED)
 238 {
 239   return 0;
 240 }
 241
 242 int
 243 pthread_attr_setdetachstate (pthread_attr_t *attr ATTRIBUTE_UNUSED,
 244                              int detachstate ATTRIBUTE_UNUSED)
 245 {
 246   return 0;
 247 }
 248
 249 #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING
 250 int
 251 pthread_getschedparam (pthread_t thread ATTRIBUTE_UNUSED,
 252                        int *policy ATTRIBUTE_UNUSED,
 253                        struct sched_param *param ATTRIBUTE_UNUSED)
 254 {
 255   return 0;
 256 }
 257
 258 int
 259 pthread_setschedparam (pthread_t thread ATTRIBUTE_UNUSED,
 260                        int policy ATTRIBUTE_UNUSED,
 261                        const struct sched_param *param ATTRIBUTE_UNUSED)
 262 {
 263   return 0;
 264 }
 265 #endif /* _POSIX_THREAD_PRIORITY_SCHEDULING */
 266