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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 1998-2008 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 #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 #else
  32 typedef ldap_int_thread_mutex_t         ldap_pvt_thread_mutex_t;
  33 typedef ldap_int_thread_cond_t          ldap_pvt_thread_cond_t;
  34 typedef ldap_int_thread_rdwr_t          ldap_pvt_thread_rdwr_t;
  35 #endif
  36 typedef ldap_int_thread_rmutex_t        ldap_pvt_thread_rmutex_t;
  37 typedef ldap_int_thread_key_t   ldap_pvt_thread_key_t;
  38 #endif /* !LDAP_PVT_THREAD_H_DONE */
  39
  40 #define ldap_pvt_thread_equal           ldap_int_thread_equal
  41
  42 LDAP_F( int )
  43 ldap_pvt_thread_initialize LDAP_P(( void ));
  44
  45 LDAP_F( int )
  46 ldap_pvt_thread_destroy LDAP_P(( void ));
  47
  48 LDAP_F( unsigned int )
  49 ldap_pvt_thread_sleep LDAP_P(( unsigned int s ));
  50
  51 LDAP_F( int )
  52 ldap_pvt_thread_get_concurrency LDAP_P(( void ));
  53
  54 LDAP_F( int )
  55 ldap_pvt_thread_set_concurrency LDAP_P(( int ));
  56
  57 #define LDAP_PVT_THREAD_CREATE_JOINABLE 0
  58 #define LDAP_PVT_THREAD_CREATE_DETACHED 1
  59
  60 #ifndef LDAP_PVT_THREAD_H_DONE
  61 #define LDAP_PVT_THREAD_SET_STACK_SIZE
  62 #ifndef LDAP_PVT_THREAD_STACK_SIZE
  63         /* LARGE stack. Will be twice as large on 64 bit machine. */
  64 #define LDAP_PVT_THREAD_STACK_SIZE      ( 1 * 1024 * 1024 * sizeof(void *) )
  65 /* May be explicitly defined to zero to disable it */
  66 #elif LDAP_PVT_THREAD_STACK_SIZE == 0
  67 #undef LDAP_PVT_THREAD_SET_STACK_SIZE
  68 #endif
  69 #endif /* !LDAP_PVT_THREAD_H_DONE */
  70
  71 LDAP_F( int )
  72 ldap_pvt_thread_create LDAP_P((
  73         ldap_pvt_thread_t * thread,
  74         int     detach,
  75         void *(*start_routine)( void * ),
  76         void *arg));
  77
  78 LDAP_F( void )
  79 ldap_pvt_thread_exit LDAP_P(( void *retval ));
  80
  81 LDAP_F( int )
  82 ldap_pvt_thread_join LDAP_P(( ldap_pvt_thread_t thread, void **status ));
  83
  84 LDAP_F( int )
  85 ldap_pvt_thread_kill LDAP_P(( ldap_pvt_thread_t thread, int signo ));
  86
  87 LDAP_F( int )
  88 ldap_pvt_thread_yield LDAP_P(( void ));
  89
  90 LDAP_F( int )
  91 ldap_pvt_thread_cond_init LDAP_P(( ldap_pvt_thread_cond_t *cond ));
  92
  93 LDAP_F( int )
  94 ldap_pvt_thread_cond_destroy LDAP_P(( ldap_pvt_thread_cond_t *cond ));
  95
  96 LDAP_F( int )
  97 ldap_pvt_thread_cond_signal LDAP_P(( ldap_pvt_thread_cond_t *cond ));
  98
  99 LDAP_F( int )
 100 ldap_pvt_thread_cond_broadcast LDAP_P(( ldap_pvt_thread_cond_t *cond ));
 101
 102 LDAP_F( int )
 103 ldap_pvt_thread_cond_wait LDAP_P((
 104         ldap_pvt_thread_cond_t *cond,
 105         ldap_pvt_thread_mutex_t *mutex ));
 106
 107 LDAP_F( int )
 108 ldap_pvt_thread_mutex_init LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
 109
 110 LDAP_F( int )
 111 ldap_pvt_thread_mutex_destroy LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
 112
 113 LDAP_F( int )
 114 ldap_pvt_thread_mutex_lock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
 115
 116 LDAP_F( int )
 117 ldap_pvt_thread_mutex_trylock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
 118
 119 LDAP_F( int )
 120 ldap_pvt_thread_mutex_unlock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
 121
 122 LDAP_F( int )
 123 ldap_pvt_thread_rmutex_init LDAP_P(( ldap_pvt_thread_rmutex_t *rmutex ));
 124
 125 LDAP_F( int )
 126 ldap_pvt_thread_rmutex_destroy LDAP_P(( ldap_pvt_thread_rmutex_t *rmutex ));
 127
 128 LDAP_F( int )
 129 ldap_pvt_thread_rmutex_lock LDAP_P(( ldap_pvt_thread_rmutex_t *rmutex,
 130         ldap_pvt_thread_t owner));
 131
 132 LDAP_F( int )
 133 ldap_pvt_thread_rmutex_trylock LDAP_P(( ldap_pvt_thread_rmutex_t *rmutex,
 134         ldap_pvt_thread_t owner));
 135
 136 LDAP_F( int )
 137 ldap_pvt_thread_rmutex_unlock LDAP_P(( ldap_pvt_thread_rmutex_t *rmutex,
 138         ldap_pvt_thread_t owner));
 139
 140 LDAP_F( ldap_pvt_thread_t )
 141 ldap_pvt_thread_self LDAP_P(( void ));
 142
 143 #ifdef  LDAP_INT_THREAD_ASSERT_MUTEX_OWNER
 144 #define LDAP_PVT_THREAD_ASSERT_MUTEX_OWNER LDAP_INT_THREAD_ASSERT_MUTEX_OWNER
 145 #else
 146 #define LDAP_PVT_THREAD_ASSERT_MUTEX_OWNER(mutex) ((void) 0)
 147 #endif
 148
 149 LDAP_F( int )
 150 ldap_pvt_thread_rdwr_init LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 151
 152 LDAP_F( int )
 153 ldap_pvt_thread_rdwr_destroy LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 154
 155 LDAP_F( int )
 156 ldap_pvt_thread_rdwr_rlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 157
 158 LDAP_F( int )
 159 ldap_pvt_thread_rdwr_rtrylock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 160
 161 LDAP_F( int )
 162 ldap_pvt_thread_rdwr_runlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 163
 164 LDAP_F( int )
 165 ldap_pvt_thread_rdwr_wlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 166
 167 LDAP_F( int )
 168 ldap_pvt_thread_rdwr_wtrylock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 169
 170 LDAP_F( int )
 171 ldap_pvt_thread_rdwr_wunlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 172
 173 LDAP_F( int )
 174 ldap_pvt_thread_key_create LDAP_P((ldap_pvt_thread_key_t *keyp));
 175
 176 LDAP_F( int )
 177 ldap_pvt_thread_key_destroy LDAP_P((ldap_pvt_thread_key_t key));
 178
 179 LDAP_F( int )
 180 ldap_pvt_thread_key_setdata LDAP_P((ldap_pvt_thread_key_t key, void *data));
 181
 182 LDAP_F( int )
 183 ldap_pvt_thread_key_getdata LDAP_P((ldap_pvt_thread_key_t key, void **data));
 184
 185 #ifdef LDAP_DEBUG
 186 LDAP_F( int )
 187 ldap_pvt_thread_rdwr_readers LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 188
 189 LDAP_F( int )
 190 ldap_pvt_thread_rdwr_writers LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 191
 192 LDAP_F( int )
 193 ldap_pvt_thread_rdwr_active LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 194 #endif /* LDAP_DEBUG */
 195
 196 #define LDAP_PVT_THREAD_EINVAL EINVAL
 197 #define LDAP_PVT_THREAD_EBUSY EINVAL
 198
 199 #ifndef LDAP_PVT_THREAD_H_DONE
 200 typedef ldap_int_thread_pool_t ldap_pvt_thread_pool_t;
 201
 202 typedef void * (ldap_pvt_thread_start_t) LDAP_P((void *ctx, void *arg));
 203 typedef void (ldap_pvt_thread_pool_keyfree_t) LDAP_P((void *key, void *data));
 204 #endif /* !LDAP_PVT_THREAD_H_DONE */
 205
 206 LDAP_F( int )
 207 ldap_pvt_thread_pool_init LDAP_P((
 208         ldap_pvt_thread_pool_t *pool_out,
 209         int max_threads,
 210         int max_pending ));
 211
 212 LDAP_F( int )
 213 ldap_pvt_thread_pool_submit LDAP_P((
 214         ldap_pvt_thread_pool_t *pool,
 215         ldap_pvt_thread_start_t *start,
 216         void *arg ));
 217
 218 LDAP_F( int )
 219 ldap_pvt_thread_pool_maxthreads LDAP_P((
 220         ldap_pvt_thread_pool_t *pool,
 221         int max_threads ));
 222
 223 #ifndef LDAP_PVT_THREAD_H_DONE
 224 typedef enum {
 225         LDAP_PVT_THREAD_POOL_PARAM_UNKNOWN = -1,
 226         LDAP_PVT_THREAD_POOL_PARAM_MAX,
 227         LDAP_PVT_THREAD_POOL_PARAM_MAX_PENDING,
 228         LDAP_PVT_THREAD_POOL_PARAM_OPEN,
 229         LDAP_PVT_THREAD_POOL_PARAM_STARTING,
 230         LDAP_PVT_THREAD_POOL_PARAM_ACTIVE,
 231         LDAP_PVT_THREAD_POOL_PARAM_PAUSING,
 232         LDAP_PVT_THREAD_POOL_PARAM_PENDING,
 233         LDAP_PVT_THREAD_POOL_PARAM_BACKLOAD,
 234         LDAP_PVT_THREAD_POOL_PARAM_ACTIVE_MAX,
 235         LDAP_PVT_THREAD_POOL_PARAM_PENDING_MAX,
 236         LDAP_PVT_THREAD_POOL_PARAM_BACKLOAD_MAX,
 237         LDAP_PVT_THREAD_POOL_PARAM_STATE
 238 } ldap_pvt_thread_pool_param_t;
 239 #endif /* !LDAP_PVT_THREAD_H_DONE */
 240
 241 LDAP_F( int )
 242 ldap_pvt_thread_pool_query LDAP_P((
 243         ldap_pvt_thread_pool_t *pool,
 244         ldap_pvt_thread_pool_param_t param, void *value ));
 245
 246 LDAP_F( int )
 247 ldap_pvt_thread_pool_pausing LDAP_P((
 248         ldap_pvt_thread_pool_t *pool ));
 249
 250 LDAP_F( int )
 251 ldap_pvt_thread_pool_backload LDAP_P((
 252         ldap_pvt_thread_pool_t *pool ));
 253
 254 LDAP_F( int )
 255 ldap_pvt_thread_pool_pausecheck LDAP_P((
 256         ldap_pvt_thread_pool_t *pool ));
 257
 258 LDAP_F( int )
 259 ldap_pvt_thread_pool_pause LDAP_P((
 260         ldap_pvt_thread_pool_t *pool ));
 261
 262 LDAP_F( int )
 263 ldap_pvt_thread_pool_resume LDAP_P((
 264         ldap_pvt_thread_pool_t *pool ));
 265
 266 LDAP_F( int )
 267 ldap_pvt_thread_pool_destroy LDAP_P((
 268         ldap_pvt_thread_pool_t *pool,
 269         int run_pending ));
 270
 271 LDAP_F( int )
 272 ldap_pvt_thread_pool_getkey LDAP_P((
 273         void *ctx,
 274         void *key,
 275         void **data,
 276         ldap_pvt_thread_pool_keyfree_t **kfree ));
 277
 278 LDAP_F( int )
 279 ldap_pvt_thread_pool_setkey LDAP_P((
 280         void *ctx,
 281         void *key,
 282         void *data,
 283         ldap_pvt_thread_pool_keyfree_t *kfree,
 284         void **olddatap,
 285         ldap_pvt_thread_pool_keyfree_t **oldkfreep ));
 286
 287 LDAP_F( void )
 288 ldap_pvt_thread_pool_purgekey LDAP_P(( void *key ));
 289
 290 LDAP_F( void *)
 291 ldap_pvt_thread_pool_context LDAP_P(( void ));
 292
 293 LDAP_F( void )
 294 ldap_pvt_thread_pool_context_reset LDAP_P(( void *key ));
 295
 296 LDAP_F( ldap_pvt_thread_t )
 297 ldap_pvt_thread_pool_tid LDAP_P(( void *ctx ));
 298
 299 LDAP_END_DECL
 300
 301 #define LDAP_PVT_THREAD_H_DONE
 302 #endif /* _LDAP_PVT_THREAD_H */