git.sur5r.net Git - openldap/blob - libraries/libldap_r/thr_stub.c

   1 /* thr_stub.c - stubs for the threads */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2017 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16
  17 #include "portable.h"
  18
  19 #if defined( NO_THREADS )
  20
  21 #include "ldap_pvt_thread.h" /* Get the thread interface */
  22 #define LDAP_THREAD_IMPLEMENTATION
  23 #define LDAP_THREAD_POOL_IMPLEMENTATION
  24 #include "ldap_thr_debug.h"  /* May rename the symbols defined below */
  25
  26 /***********************************************************************
  27  *                                                                     *
  28  * no threads package defined for this system - fake ok returns from   *
  29  * all threads routines (making it single-threaded).                   *
  30  *                                                                     *
  31  ***********************************************************************/
  32
  33 int
  34 ldap_int_thread_initialize( void )
  35 {
  36         return 0;
  37 }
  38
  39 int
  40 ldap_int_thread_destroy( void )
  41 {
  42         return 0;
  43 }
  44
  45 static void* ldap_int_status = NULL;
  46
  47 int
  48 ldap_pvt_thread_create( ldap_pvt_thread_t * thread,
  49         int detach,
  50         void *(*start_routine)(void *),
  51         void *arg)
  52 {
  53         if( ! detach ) ldap_int_status = NULL;
  54         start_routine( arg );
  55         return 0;
  56 }
  57
  58 void
  59 ldap_pvt_thread_exit( void *retval )
  60 {
  61         if( retval != NULL ) {
  62                 ldap_int_status = retval;
  63         }
  64         return;
  65 }
  66
  67 int
  68 ldap_pvt_thread_join( ldap_pvt_thread_t thread, void **status )
  69 {
  70         if(status != NULL) *status = ldap_int_status;
  71         return 0;
  72 }
  73
  74 int
  75 ldap_pvt_thread_kill( ldap_pvt_thread_t thread, int signo )
  76 {
  77         return 0;
  78 }
  79
  80 int
  81 ldap_pvt_thread_yield( void )
  82 {
  83         return 0;
  84 }
  85
  86 int
  87 ldap_pvt_thread_cond_init( ldap_pvt_thread_cond_t *cond )
  88 {
  89         return 0;
  90 }
  91
  92 int
  93 ldap_pvt_thread_cond_destroy( ldap_pvt_thread_cond_t *cond )
  94 {
  95         return 0;
  96 }
  97
  98 int
  99 ldap_pvt_thread_cond_signal( ldap_pvt_thread_cond_t *cond )
 100 {
 101         return 0;
 102 }
 103
 104 int
 105 ldap_pvt_thread_cond_broadcast( ldap_pvt_thread_cond_t *cond )
 106 {
 107         return 0;
 108 }
 109
 110 int
 111 ldap_pvt_thread_cond_wait( ldap_pvt_thread_cond_t *cond,
 112                           ldap_pvt_thread_mutex_t *mutex )
 113 {
 114         return 0;
 115 }
 116
 117 int
 118 ldap_pvt_thread_mutex_init( ldap_pvt_thread_mutex_t *mutex )
 119 {
 120         return 0;
 121 }
 122
 123 int
 124 ldap_pvt_thread_mutex_recursive_init( ldap_pvt_thread_mutex_t *mutex )
 125 {
 126         return 0;
 127 }
 128
 129 int
 130 ldap_pvt_thread_mutex_destroy( ldap_pvt_thread_mutex_t *mutex )
 131 {
 132         return 0;
 133 }
 134
 135 int
 136 ldap_pvt_thread_mutex_lock( ldap_pvt_thread_mutex_t *mutex )
 137 {
 138         return 0;
 139 }
 140
 141 int
 142 ldap_pvt_thread_mutex_trylock( ldap_pvt_thread_mutex_t *mutex )
 143 {
 144         return 0;
 145 }
 146
 147 int
 148 ldap_pvt_thread_mutex_unlock( ldap_pvt_thread_mutex_t *mutex )
 149 {
 150         return 0;
 151 }
 152
 153 int ldap_pvt_thread_mutex_recursive_init( ldap_pvt_thread_mutex_recursive_t *mutex )
 154         LDAP_GCCATTR((alias("ldap_pvt_thread_mutex_init")));
 155 int ldap_pvt_thread_mutex_recursive_destroy( ldap_pvt_thread_mutex_recursive_t *mutex )
 156         LDAP_GCCATTR((alias("ldap_pvt_thread_mutex_destroy")));
 157 int ldap_pvt_thread_mutex_recursive_lock( ldap_pvt_thread_mutex_recursive_t *mutex )
 158         LDAP_GCCATTR((alias("ldap_pvt_thread_mutex_lock")));
 159 int ldap_pvt_thread_mutex_recursive_trylock( ldap_pvt_thread_mutex_recursive_t *mutex )
 160         LDAP_GCCATTR((alias("ldap_pvt_thread_mutex_trylock")));
 161 int ldap_pvt_thread_mutex_recursive_unlock( ldap_pvt_thread_mutex_recursive_t *mutex )
 162         LDAP_GCCATTR((alias("ldap_pvt_thread_mutex_unlock")));
 163
 164 /*
 165  * NO_THREADS requires a separate tpool implementation since
 166  * generic ldap_pvt_thread_pool_wrapper loops forever.
 167  */
 168 int
 169 ldap_pvt_thread_pool_init (
 170         ldap_pvt_thread_pool_t *pool_out,
 171         int max_concurrency, int max_pending )
 172 {
 173         *pool_out = (ldap_pvt_thread_pool_t) 0;
 174         return(0);
 175 }
 176
 177 int
 178 ldap_pvt_thread_pool_submit (
 179         ldap_pvt_thread_pool_t *pool,
 180         ldap_pvt_thread_start_t *start_routine, void *arg )
 181 {
 182         (start_routine)(NULL, arg);
 183         return(0);
 184 }
 185
 186 int
 187 ldap_pvt_thread_pool_retract (
 188         void *cookie )
 189 {
 190         return(0);
 191 }
 192
 193 int
 194 ldap_pvt_thread_pool_maxthreads ( ldap_pvt_thread_pool_t *tpool, int max_threads )
 195 {
 196         return(0);
 197 }
 198
 199 int
 200 ldap_pvt_thread_pool_query( ldap_pvt_thread_pool_t *tpool,
 201         ldap_pvt_thread_pool_param_t param, void *value )
 202 {
 203         *(int *)value = -1;
 204         return(-1);
 205 }
 206
 207 int
 208 ldap_pvt_thread_pool_backload (
 209         ldap_pvt_thread_pool_t *pool )
 210 {
 211         return(0);
 212 }
 213
 214 int
 215 ldap_pvt_thread_pool_destroy (
 216         ldap_pvt_thread_pool_t *pool, int run_pending )
 217 {
 218         return(0);
 219 }
 220
 221 void
 222 ldap_pvt_thread_pool_idle ( ldap_pvt_thread_pool_t *pool )
 223 {
 224         return;
 225 }
 226
 227 void
 228 ldap_pvt_thread_pool_unidle ( ldap_pvt_thread_pool_t *pool )
 229 {
 230         return;
 231 }
 232
 233 int ldap_pvt_thread_pool_getkey (
 234         void *ctx, void *key, void **data, ldap_pvt_thread_pool_keyfree_t **kfree )
 235 {
 236         return(0);
 237 }
 238
 239 int ldap_pvt_thread_pool_setkey (
 240         void *ctx, void *key,
 241         void *data, ldap_pvt_thread_pool_keyfree_t *kfree,
 242         void **olddatap, ldap_pvt_thread_pool_keyfree_t **oldkfreep )
 243 {
 244         if ( olddatap ) *olddatap = NULL;
 245         if ( oldkfreep ) *oldkfreep = 0;
 246         return(0);
 247 }
 248
 249 void ldap_pvt_thread_pool_purgekey( void *key )
 250 {
 251 }
 252
 253 int ldap_pvt_thread_pool_pause (
 254         ldap_pvt_thread_pool_t *tpool )
 255 {
 256         return(0);
 257 }
 258
 259 int ldap_pvt_thread_pool_resume (
 260         ldap_pvt_thread_pool_t *tpool )
 261 {
 262         return(0);
 263 }
 264
 265 int ldap_pvt_thread_pool_pausing( ldap_pvt_thread_pool_t *tpool )
 266 {
 267         return(0);
 268 }
 269
 270 ldap_pvt_thread_pool_pausecheck( ldap_pvt_thread_pool_t *tpool )
 271 {
 272         return(0);
 273 }
 274
 275 void *ldap_pvt_thread_pool_context( )
 276 {
 277         return(NULL);
 278 }
 279
 280 void ldap_pvt_thread_pool_context_reset( void *vctx )
 281 {
 282 }
 283
 284 ldap_pvt_thread_t
 285 ldap_pvt_thread_self( void )
 286 {
 287         return(0);
 288 }
 289
 290 int
 291 ldap_pvt_thread_key_create( ldap_pvt_thread_key_t *key )
 292 {
 293         return(0);
 294 }
 295
 296 int
 297 ldap_pvt_thread_key_destroy( ldap_pvt_thread_key_t key )
 298 {
 299         return(0);
 300 }
 301
 302 int
 303 ldap_pvt_thread_key_setdata( ldap_pvt_thread_key_t key, void *data )
 304 {
 305         return(0);
 306 }
 307
 308 int
 309 ldap_pvt_thread_key_getdata( ldap_pvt_thread_key_t key, void **data )
 310 {
 311         return(0);
 312 }
 313
 314 ldap_pvt_thread_t
 315 ldap_pvt_thread_pool_tid( void *vctx )
 316 {
 317
 318         return(0);
 319 }
 320
 321 #endif /* NO_THREADS */