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   1 /* ldap_pvt_thread.h - ldap threads header file */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2011 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 #ifndef _LDAP_PVT_THREAD_H
  18 #define _LDAP_PVT_THREAD_H /* libldap_r/ldap_thr_debug.h #undefines this */
  19
  20 #include "ldap_cdefs.h"
  21 #include "ldap_int_thread.h"
  22
  23 LDAP_BEGIN_DECL
  24
  25 #ifndef LDAP_PVT_THREAD_H_DONE
  26 typedef ldap_int_thread_t                       ldap_pvt_thread_t;
  27 #ifdef LDAP_THREAD_DEBUG_WRAP
  28 typedef ldap_debug_thread_mutex_t       ldap_pvt_thread_mutex_t;
  29 typedef ldap_debug_thread_cond_t        ldap_pvt_thread_cond_t;
  30 typedef ldap_debug_thread_rdwr_t        ldap_pvt_thread_rdwr_t;
  31 #define LDAP_PVT_MUTEX_FIRSTCREATE      LDAP_DEBUG_MUTEX_FIRSTCREATE
  32 #define LDAP_PVT_MUTEX_NULL                     LDAP_DEBUG_MUTEX_NULL
  33 #else
  34 typedef ldap_int_thread_mutex_t         ldap_pvt_thread_mutex_t;
  35 typedef ldap_int_thread_cond_t          ldap_pvt_thread_cond_t;
  36 typedef ldap_int_thread_rdwr_t          ldap_pvt_thread_rdwr_t;
  37 #define LDAP_PVT_MUTEX_FIRSTCREATE      LDAP_INT_MUTEX_FIRSTCREATE
  38 #define LDAP_PVT_MUTEX_NULL                     LDAP_INT_MUTEX_NULL
  39 #endif
  40 typedef ldap_int_thread_rmutex_t        ldap_pvt_thread_rmutex_t;
  41 typedef ldap_int_thread_key_t   ldap_pvt_thread_key_t;
  42 #endif /* !LDAP_PVT_THREAD_H_DONE */
  43
  44 #define ldap_pvt_thread_equal           ldap_int_thread_equal
  45
  46 LDAP_F( int )
  47 ldap_pvt_thread_initialize LDAP_P(( void ));
  48
  49 LDAP_F( int )
  50 ldap_pvt_thread_destroy LDAP_P(( void ));
  51
  52 LDAP_F( unsigned int )
  53 ldap_pvt_thread_sleep LDAP_P(( unsigned int s ));
  54
  55 LDAP_F( int )
  56 ldap_pvt_thread_get_concurrency LDAP_P(( void ));
  57
  58 LDAP_F( int )
  59 ldap_pvt_thread_set_concurrency LDAP_P(( int ));
  60
  61 #define LDAP_PVT_THREAD_CREATE_JOINABLE 0
  62 #define LDAP_PVT_THREAD_CREATE_DETACHED 1
  63
  64 #ifndef LDAP_PVT_THREAD_H_DONE
  65 #define LDAP_PVT_THREAD_SET_STACK_SIZE
  66 /* The size may be explicitly #defined to zero to disable it. */
  67 #if defined( LDAP_PVT_THREAD_STACK_SIZE ) && LDAP_PVT_THREAD_STACK_SIZE == 0
  68 #       undef LDAP_PVT_THREAD_SET_STACK_SIZE
  69 #elif !defined( LDAP_PVT_THREAD_STACK_SIZE )
  70         /* LARGE stack. Will be twice as large on 64 bit machine. */
  71 #       define LDAP_PVT_THREAD_STACK_SIZE ( 1 * 1024 * 1024 * sizeof(void *) )
  72 #endif
  73 #endif /* !LDAP_PVT_THREAD_H_DONE */
  74
  75 LDAP_F( int )
  76 ldap_pvt_thread_create LDAP_P((
  77         ldap_pvt_thread_t * thread,
  78         int     detach,
  79         void *(*start_routine)( void * ),
  80         void *arg));
  81
  82 LDAP_F( void )
  83 ldap_pvt_thread_exit LDAP_P(( void *retval ));
  84
  85 LDAP_F( int )
  86 ldap_pvt_thread_join LDAP_P(( ldap_pvt_thread_t thread, void **status ));
  87
  88 LDAP_F( int )
  89 ldap_pvt_thread_kill LDAP_P(( ldap_pvt_thread_t thread, int signo ));
  90
  91 LDAP_F( int )
  92 ldap_pvt_thread_yield LDAP_P(( void ));
  93
  94 LDAP_F( int )
  95 ldap_pvt_thread_cond_init LDAP_P(( ldap_pvt_thread_cond_t *cond ));
  96
  97 LDAP_F( int )
  98 ldap_pvt_thread_cond_destroy LDAP_P(( ldap_pvt_thread_cond_t *cond ));
  99
 100 LDAP_F( int )
 101 ldap_pvt_thread_cond_signal LDAP_P(( ldap_pvt_thread_cond_t *cond ));
 102
 103 LDAP_F( int )
 104 ldap_pvt_thread_cond_broadcast LDAP_P(( ldap_pvt_thread_cond_t *cond ));
 105
 106 LDAP_F( int )
 107 ldap_pvt_thread_cond_wait LDAP_P((
 108         ldap_pvt_thread_cond_t *cond,
 109         ldap_pvt_thread_mutex_t *mutex ));
 110
 111 LDAP_F( int )
 112 ldap_pvt_thread_mutex_init LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
 113
 114 LDAP_F( int )
 115 ldap_pvt_thread_mutex_destroy LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
 116
 117 LDAP_F( int )
 118 ldap_pvt_thread_mutex_lock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
 119
 120 LDAP_F( int )
 121 ldap_pvt_thread_mutex_trylock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
 122
 123 LDAP_F( int )
 124 ldap_pvt_thread_mutex_unlock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
 125
 126 LDAP_F( int )
 127 ldap_pvt_thread_rmutex_init LDAP_P(( ldap_pvt_thread_rmutex_t *rmutex ));
 128
 129 LDAP_F( int )
 130 ldap_pvt_thread_rmutex_destroy LDAP_P(( ldap_pvt_thread_rmutex_t *rmutex ));
 131
 132 LDAP_F( int )
 133 ldap_pvt_thread_rmutex_lock LDAP_P(( ldap_pvt_thread_rmutex_t *rmutex,
 134         ldap_pvt_thread_t owner));
 135
 136 LDAP_F( int )
 137 ldap_pvt_thread_rmutex_trylock LDAP_P(( ldap_pvt_thread_rmutex_t *rmutex,
 138         ldap_pvt_thread_t owner));
 139
 140 LDAP_F( int )
 141 ldap_pvt_thread_rmutex_unlock LDAP_P(( ldap_pvt_thread_rmutex_t *rmutex,
 142         ldap_pvt_thread_t owner));
 143
 144 LDAP_F( ldap_pvt_thread_t )
 145 ldap_pvt_thread_self LDAP_P(( void ));
 146
 147 #ifdef  LDAP_INT_THREAD_ASSERT_MUTEX_OWNER
 148 #define LDAP_PVT_THREAD_ASSERT_MUTEX_OWNER LDAP_INT_THREAD_ASSERT_MUTEX_OWNER
 149 #else
 150 #define LDAP_PVT_THREAD_ASSERT_MUTEX_OWNER(mutex) ((void) 0)
 151 #endif
 152
 153 LDAP_F( int )
 154 ldap_pvt_thread_rdwr_init LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 155
 156 LDAP_F( int )
 157 ldap_pvt_thread_rdwr_destroy LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 158
 159 LDAP_F( int )
 160 ldap_pvt_thread_rdwr_rlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 161
 162 LDAP_F( int )
 163 ldap_pvt_thread_rdwr_rtrylock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 164
 165 LDAP_F( int )
 166 ldap_pvt_thread_rdwr_runlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 167
 168 LDAP_F( int )
 169 ldap_pvt_thread_rdwr_wlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 170
 171 LDAP_F( int )
 172 ldap_pvt_thread_rdwr_wtrylock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 173
 174 LDAP_F( int )
 175 ldap_pvt_thread_rdwr_wunlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 176
 177 LDAP_F( int )
 178 ldap_pvt_thread_key_create LDAP_P((ldap_pvt_thread_key_t *keyp));
 179
 180 LDAP_F( int )
 181 ldap_pvt_thread_key_destroy LDAP_P((ldap_pvt_thread_key_t key));
 182
 183 LDAP_F( int )
 184 ldap_pvt_thread_key_setdata LDAP_P((ldap_pvt_thread_key_t key, void *data));
 185
 186 LDAP_F( int )
 187 ldap_pvt_thread_key_getdata LDAP_P((ldap_pvt_thread_key_t key, void **data));
 188
 189 #ifdef LDAP_DEBUG
 190 LDAP_F( int )
 191 ldap_pvt_thread_rdwr_readers LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 192
 193 LDAP_F( int )
 194 ldap_pvt_thread_rdwr_writers LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 195
 196 LDAP_F( int )
 197 ldap_pvt_thread_rdwr_active LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 198 #endif /* LDAP_DEBUG */
 199
 200 #define LDAP_PVT_THREAD_EINVAL EINVAL
 201 #define LDAP_PVT_THREAD_EBUSY EINVAL
 202
 203 #ifndef LDAP_PVT_THREAD_H_DONE
 204 typedef ldap_int_thread_pool_t ldap_pvt_thread_pool_t;
 205
 206 typedef void * (ldap_pvt_thread_start_t) LDAP_P((void *ctx, void *arg));
 207 typedef void (ldap_pvt_thread_pool_keyfree_t) LDAP_P((void *key, void *data));
 208 #endif /* !LDAP_PVT_THREAD_H_DONE */
 209
 210 LDAP_F( int )
 211 ldap_pvt_thread_pool_init LDAP_P((
 212         ldap_pvt_thread_pool_t *pool_out,
 213         int max_threads,
 214         int max_pending ));
 215
 216 LDAP_F( int )
 217 ldap_pvt_thread_pool_submit LDAP_P((
 218         ldap_pvt_thread_pool_t *pool,
 219         ldap_pvt_thread_start_t *start,
 220         void *arg ));
 221
 222 LDAP_F( int )
 223 ldap_pvt_thread_pool_retract LDAP_P((
 224         ldap_pvt_thread_pool_t *pool,
 225         ldap_pvt_thread_start_t *start,
 226         void *arg ));
 227
 228 LDAP_F( int )
 229 ldap_pvt_thread_pool_maxthreads LDAP_P((
 230         ldap_pvt_thread_pool_t *pool,
 231         int max_threads ));
 232
 233 #ifndef LDAP_PVT_THREAD_H_DONE
 234 typedef enum {
 235         LDAP_PVT_THREAD_POOL_PARAM_UNKNOWN = -1,
 236         LDAP_PVT_THREAD_POOL_PARAM_MAX,
 237         LDAP_PVT_THREAD_POOL_PARAM_MAX_PENDING,
 238         LDAP_PVT_THREAD_POOL_PARAM_OPEN,
 239         LDAP_PVT_THREAD_POOL_PARAM_STARTING,
 240         LDAP_PVT_THREAD_POOL_PARAM_ACTIVE,
 241         LDAP_PVT_THREAD_POOL_PARAM_PAUSING,
 242         LDAP_PVT_THREAD_POOL_PARAM_PENDING,
 243         LDAP_PVT_THREAD_POOL_PARAM_BACKLOAD,
 244         LDAP_PVT_THREAD_POOL_PARAM_ACTIVE_MAX,
 245         LDAP_PVT_THREAD_POOL_PARAM_PENDING_MAX,
 246         LDAP_PVT_THREAD_POOL_PARAM_BACKLOAD_MAX,
 247         LDAP_PVT_THREAD_POOL_PARAM_STATE
 248 } ldap_pvt_thread_pool_param_t;
 249 #endif /* !LDAP_PVT_THREAD_H_DONE */
 250
 251 LDAP_F( int )
 252 ldap_pvt_thread_pool_query LDAP_P((
 253         ldap_pvt_thread_pool_t *pool,
 254         ldap_pvt_thread_pool_param_t param, void *value ));
 255
 256 LDAP_F( int )
 257 ldap_pvt_thread_pool_pausing LDAP_P((
 258         ldap_pvt_thread_pool_t *pool ));
 259
 260 LDAP_F( int )
 261 ldap_pvt_thread_pool_backload LDAP_P((
 262         ldap_pvt_thread_pool_t *pool ));
 263
 264 LDAP_F( int )
 265 ldap_pvt_thread_pool_pausecheck LDAP_P((
 266         ldap_pvt_thread_pool_t *pool ));
 267
 268 LDAP_F( int )
 269 ldap_pvt_thread_pool_pause LDAP_P((
 270         ldap_pvt_thread_pool_t *pool ));
 271
 272 LDAP_F( int )
 273 ldap_pvt_thread_pool_resume LDAP_P((
 274         ldap_pvt_thread_pool_t *pool ));
 275
 276 LDAP_F( int )
 277 ldap_pvt_thread_pool_destroy LDAP_P((
 278         ldap_pvt_thread_pool_t *pool,
 279         int run_pending ));
 280
 281 LDAP_F( int )
 282 ldap_pvt_thread_pool_getkey LDAP_P((
 283         void *ctx,
 284         void *key,
 285         void **data,
 286         ldap_pvt_thread_pool_keyfree_t **kfree ));
 287
 288 LDAP_F( int )
 289 ldap_pvt_thread_pool_setkey LDAP_P((
 290         void *ctx,
 291         void *key,
 292         void *data,
 293         ldap_pvt_thread_pool_keyfree_t *kfree,
 294         void **olddatap,
 295         ldap_pvt_thread_pool_keyfree_t **oldkfreep ));
 296
 297 LDAP_F( void )
 298 ldap_pvt_thread_pool_purgekey LDAP_P(( void *key ));
 299
 300 LDAP_F( void *)
 301 ldap_pvt_thread_pool_context LDAP_P(( void ));
 302
 303 LDAP_F( void )
 304 ldap_pvt_thread_pool_context_reset LDAP_P(( void *key ));
 305
 306 LDAP_F( ldap_pvt_thread_t )
 307 ldap_pvt_thread_pool_tid LDAP_P(( void *ctx ));
 308
 309 LDAP_END_DECL
 310
 311 #define LDAP_PVT_THREAD_H_DONE
 312 #endif /* _LDAP_PVT_THREAD_H */