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

   1 /* $OpenLDAP$ */
   2 /*
   3  * Copyright 1998-2000 The OpenLDAP Foundation, Redwood City, California, USA
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms are permitted only
   7  * as authorized by the OpenLDAP Public License.  A copy of this
   8  * license is available at http://www.OpenLDAP.org/license.html or
   9  * in file LICENSE in the top-level directory of the distribution.
  10  */
  11
  12 /* thr_stub.c - stubs for the threads */
  13
  14 #include "portable.h"
  15
  16 #if defined( NO_THREADS )
  17
  18 #include "ldap_pvt_thread.h"
  19
  20 /***********************************************************************
  21  *                                                                     *
  22  * no threads package defined for this system - fake ok returns from   *
  23  * all threads routines (making it single-threaded).                   *
  24  *                                                                     *
  25  ***********************************************************************/
  26
  27 int
  28 ldap_int_thread_initialize( void )
  29 {
  30         return 0;
  31 }
  32
  33 int
  34 ldap_int_thread_destroy( void )
  35 {
  36         return 0;
  37 }
  38
  39 static void* ldap_int_status = NULL;
  40
  41 int
  42 ldap_pvt_thread_create( ldap_pvt_thread_t * thread,
  43         int detach,
  44         void *(*start_routine)(void *),
  45         void *arg)
  46 {
  47         if( ! detach ) ldap_int_status = NULL;
  48         start_routine( arg );
  49         return 0;
  50 }
  51
  52 void
  53 ldap_pvt_thread_exit( void *retval )
  54 {
  55         if( retval != NULL ) {
  56                 ldap_int_status = retval;
  57         }
  58         return;
  59 }
  60
  61 int
  62 ldap_pvt_thread_join( ldap_pvt_thread_t thread, void **status )
  63 {
  64         if(status != NULL) *status = ldap_int_status;
  65         return 0;
  66 }
  67
  68 int
  69 ldap_pvt_thread_kill( ldap_pvt_thread_t thread, int signo )
  70 {
  71         return 0;
  72 }
  73
  74 int
  75 ldap_pvt_thread_yield( void )
  76 {
  77         return 0;
  78 }
  79
  80 int
  81 ldap_pvt_thread_cond_init( ldap_pvt_thread_cond_t *cond )
  82 {
  83         return 0;
  84 }
  85
  86 int
  87 ldap_pvt_thread_cond_destroy( ldap_pvt_thread_cond_t *cond )
  88 {
  89         return 0;
  90 }
  91
  92 int
  93 ldap_pvt_thread_cond_signal( ldap_pvt_thread_cond_t *cond )
  94 {
  95         return 0;
  96 }
  97
  98 int
  99 ldap_pvt_thread_cond_broadcast( ldap_pvt_thread_cond_t *cond )
 100 {
 101         return 0;
 102 }
 103
 104 int
 105 ldap_pvt_thread_cond_wait( ldap_pvt_thread_cond_t *cond,
 106                           ldap_pvt_thread_mutex_t *mutex )
 107 {
 108         return 0;
 109 }
 110
 111 int
 112 ldap_pvt_thread_mutex_init( ldap_pvt_thread_mutex_t *mutex )
 113 {
 114         return 0;
 115 }
 116
 117 int
 118 ldap_pvt_thread_mutex_destroy( ldap_pvt_thread_mutex_t *mutex )
 119 {
 120         return 0;
 121 }
 122
 123 int
 124 ldap_pvt_thread_mutex_lock( ldap_pvt_thread_mutex_t *mutex )
 125 {
 126         return 0;
 127 }
 128
 129 int
 130 ldap_pvt_thread_mutex_trylock( ldap_pvt_thread_mutex_t *mutex )
 131 {
 132         return 0;
 133 }
 134
 135 int
 136 ldap_pvt_thread_mutex_unlock( ldap_pvt_thread_mutex_t *mutex )
 137 {
 138         return 0;
 139 }
 140
 141 /*
 142  * NO_THREADS requires a separate tpool implementation since
 143  * generic ldap_pvt_thread_pool_wrapper loops forever.
 144  */
 145 int
 146 ldap_pvt_thread_pool_init (
 147         ldap_pvt_thread_pool_t *pool_out,
 148         int max_concurrency, int max_pending )
 149 {
 150         *pool_out = (ldap_pvt_thread_pool_t) 0;
 151         return(0);
 152 }
 153
 154 int
 155 ldap_pvt_thread_pool_submit (
 156         ldap_pvt_thread_pool_t *pool,
 157         void *(*start_routine)( void * ), void *arg )
 158 {
 159         (start_routine)(arg);
 160         return(0);
 161 }
 162
 163 int
 164 ldap_pvt_thread_pool_maxthreads ( ldap_pvt_thread_pool_t *tpool, int max_threads )
 165 {
 166         return(0);
 167 }
 168
 169 int
 170 ldap_pvt_thread_pool_backload (
 171         ldap_pvt_thread_pool_t *pool )
 172 {
 173         return(0);
 174 }
 175
 176 int
 177 ldap_pvt_thread_pool_destroy (
 178         ldap_pvt_thread_pool_t *pool, int run_pending )
 179 {
 180         return(0);
 181 }
 182
 183 #endif /* NO_THREADS */