external/bsd/openldap/dist/libraries/libldap_r/thr_stub.c

   1 /* thr_stub.c - stubs for the threads */
   2 /* $OpenLDAP: pkg/ldap/libraries/libldap_r/thr_stub.c,v 1.27.2.8 2008/05/27 20:07:31 quanah Exp $ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2008 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_destroy( ldap_pvt_thread_mutex_t *mutex )
 125 {
 126         return 0;
 127 }
 128
 129 int
 130 ldap_pvt_thread_mutex_lock( ldap_pvt_thread_mutex_t *mutex )
 131 {
 132         return 0;
 133 }
 134
 135 int
 136 ldap_pvt_thread_mutex_trylock( ldap_pvt_thread_mutex_t *mutex )
 137 {
 138         return 0;
 139 }
 140
 141 int
 142 ldap_pvt_thread_mutex_unlock( ldap_pvt_thread_mutex_t *mutex )
 143 {
 144         return 0;
 145 }
 146
 147 /*
 148  * NO_THREADS requires a separate tpool implementation since
 149  * generic ldap_pvt_thread_pool_wrapper loops forever.
 150  */
 151 int
 152 ldap_pvt_thread_pool_init (
 153         ldap_pvt_thread_pool_t *pool_out,
 154         int max_concurrency, int max_pending )
 155 {
 156         *pool_out = (ldap_pvt_thread_pool_t) 0;
 157         return(0);
 158 }
 159
 160 int
 161 ldap_pvt_thread_pool_submit (
 162         ldap_pvt_thread_pool_t *pool,
 163         ldap_pvt_thread_start_t *start_routine, void *arg )
 164 {
 165         (start_routine)(NULL, arg);
 166         return(0);
 167 }
 168
 169 int
 170 ldap_pvt_thread_pool_maxthreads ( ldap_pvt_thread_pool_t *tpool, int max_threads )
 171 {
 172         return(0);
 173 }
 174
 175 int
 176 ldap_pvt_thread_pool_query( ldap_pvt_thread_pool_t *tpool,
 177         ldap_pvt_thread_pool_param_t param, void *value )
 178 {
 179         *(int *)value = -1;
 180         return(-1);
 181 }
 182
 183 int
 184 ldap_pvt_thread_pool_backload (
 185         ldap_pvt_thread_pool_t *pool )
 186 {
 187         return(0);
 188 }
 189
 190 int
 191 ldap_pvt_thread_pool_destroy (
 192         ldap_pvt_thread_pool_t *pool, int run_pending )
 193 {
 194         return(0);
 195 }
 196
 197 int ldap_pvt_thread_pool_getkey (
 198         void *ctx, void *key, void **data, ldap_pvt_thread_pool_keyfree_t **kfree )
 199 {
 200         return(0);
 201 }
 202
 203 int ldap_pvt_thread_pool_setkey (
 204         void *ctx, void *key,
 205         void *data, ldap_pvt_thread_pool_keyfree_t *kfree,
 206         void **olddatap, ldap_pvt_thread_pool_keyfree_t **oldkfreep )
 207 {
 208         if ( olddatap ) *olddatap = NULL;
 209         if ( oldkfreep ) *oldkfreep = 0;
 210         return(0);
 211 }
 212
 213 void ldap_pvt_thread_pool_purgekey( void *key )
 214 {
 215 }
 216
 217 int ldap_pvt_thread_pool_pause (
 218         ldap_pvt_thread_pool_t *tpool )
 219 {
 220         return(0);
 221 }
 222
 223 int ldap_pvt_thread_pool_resume (
 224         ldap_pvt_thread_pool_t *tpool )
 225 {
 226         return(0);
 227 }
 228
 229 int ldap_pvt_thread_pool_pausing( ldap_pvt_thread_pool_t *tpool )
 230 {
 231         return(0);
 232 }
 233
 234 ldap_pvt_thread_pool_pausecheck( ldap_pvt_thread_pool_t *tpool )
 235 {
 236         return(0);
 237 }
 238
 239 void *ldap_pvt_thread_pool_context( )
 240 {
 241         return(NULL);
 242 }
 243
 244 void ldap_pvt_thread_pool_context_reset( void *vctx )
 245 {
 246 }
 247
 248 ldap_pvt_thread_t
 249 ldap_pvt_thread_self( void )
 250 {
 251         return(0);
 252 }
 253
 254 int
 255 ldap_pvt_thread_key_create( ldap_pvt_thread_key_t *key )
 256 {
 257         return(0);
 258 }
 259
 260 int
 261 ldap_pvt_thread_key_destroy( ldap_pvt_thread_key_t key )
 262 {
 263         return(0);
 264 }
 265
 266 int
 267 ldap_pvt_thread_key_setdata( ldap_pvt_thread_key_t key, void *data )
 268 {
 269         return(0);
 270 }
 271
 272 int
 273 ldap_pvt_thread_key_getdata( ldap_pvt_thread_key_t key, void **data )
 274 {
 275         return(0);
 276 }
 277
 278 ldap_pvt_thread_t
 279 ldap_pvt_thread_pool_tid( void *vctx )
 280 {
 281
 282         return(0);
 283 }
 284
 285 #endif /* NO_THREADS */