1 /* $NetBSD: ldap_pvt_thread.h,v 1.3 2021/08/14 16:14:55 christos Exp $ */ 2 3 /* ldap_pvt_thread.h - ldap threads header file */ 4 /* $OpenLDAP$ */ 5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 6 * 7 * Copyright 1998-2021 The OpenLDAP Foundation. 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted only as authorized by the OpenLDAP 12 * Public License. 13 * 14 * A copy of this license is available in file LICENSE in the 15 * top-level directory of the distribution or, alternatively, at 16 * <http://www.OpenLDAP.org/license.html>. 17 */ 18 19 #ifndef _LDAP_PVT_THREAD_H 20 #define _LDAP_PVT_THREAD_H /* libldap/ldap_thr_debug.h #undefines this */ 21 22 #include "ldap_cdefs.h" 23 #include "ldap_int_thread.h" 24 25 LDAP_BEGIN_DECL 26 27 #ifndef LDAP_PVT_THREAD_H_DONE 28 typedef ldap_int_thread_t ldap_pvt_thread_t; 29 #ifdef LDAP_THREAD_DEBUG_WRAP 30 typedef ldap_debug_thread_mutex_t ldap_pvt_thread_mutex_t; 31 typedef ldap_debug_thread_cond_t ldap_pvt_thread_cond_t; 32 typedef ldap_debug_thread_rdwr_t ldap_pvt_thread_rdwr_t; 33 #define LDAP_PVT_MUTEX_FIRSTCREATE LDAP_DEBUG_MUTEX_FIRSTCREATE 34 #define LDAP_PVT_MUTEX_NULL LDAP_DEBUG_MUTEX_NULL 35 #else 36 typedef ldap_int_thread_mutex_t ldap_pvt_thread_mutex_t; 37 typedef ldap_int_thread_cond_t ldap_pvt_thread_cond_t; 38 typedef ldap_int_thread_rdwr_t ldap_pvt_thread_rdwr_t; 39 #define LDAP_PVT_MUTEX_FIRSTCREATE LDAP_INT_MUTEX_FIRSTCREATE 40 #define LDAP_PVT_MUTEX_NULL LDAP_INT_MUTEX_NULL 41 #endif 42 typedef ldap_int_thread_key_t ldap_pvt_thread_key_t; 43 #endif /* !LDAP_PVT_THREAD_H_DONE */ 44 45 #define ldap_pvt_thread_equal ldap_int_thread_equal 46 47 LDAP_F( int ) 48 ldap_pvt_thread_initialize LDAP_P(( void )); 49 50 LDAP_F( int ) 51 ldap_pvt_thread_destroy LDAP_P(( void )); 52 53 LDAP_F( unsigned int ) 54 ldap_pvt_thread_sleep LDAP_P(( unsigned int s )); 55 56 LDAP_F( int ) 57 ldap_pvt_thread_get_concurrency LDAP_P(( void )); 58 59 LDAP_F( int ) 60 ldap_pvt_thread_set_concurrency LDAP_P(( int )); 61 62 #define LDAP_PVT_THREAD_CREATE_JOINABLE 0 63 #define LDAP_PVT_THREAD_CREATE_DETACHED 1 64 65 #ifndef LDAP_PVT_THREAD_H_DONE 66 #define LDAP_PVT_THREAD_SET_STACK_SIZE 67 /* The size may be explicitly #defined to zero to disable it. */ 68 #if defined( LDAP_PVT_THREAD_STACK_SIZE ) && LDAP_PVT_THREAD_STACK_SIZE == 0 69 # undef LDAP_PVT_THREAD_SET_STACK_SIZE 70 #elif !defined( LDAP_PVT_THREAD_STACK_SIZE ) 71 /* LARGE stack. Will be twice as large on 64 bit machine. */ 72 # define LDAP_PVT_THREAD_STACK_SIZE ( 1 * 1024 * 1024 * sizeof(void *) ) 73 #endif 74 #endif /* !LDAP_PVT_THREAD_H_DONE */ 75 76 LDAP_F( int ) 77 ldap_pvt_thread_create LDAP_P(( 78 ldap_pvt_thread_t * thread, 79 int detach, 80 void *(*start_routine)( void * ), 81 void *arg)); 82 83 LDAP_F( void ) 84 ldap_pvt_thread_exit LDAP_P(( void *retval )); 85 86 LDAP_F( int ) 87 ldap_pvt_thread_join LDAP_P(( ldap_pvt_thread_t thread, void **status )); 88 89 LDAP_F( int ) 90 ldap_pvt_thread_kill LDAP_P(( ldap_pvt_thread_t thread, int signo )); 91 92 LDAP_F( int ) 93 ldap_pvt_thread_yield LDAP_P(( void )); 94 95 LDAP_F( int ) 96 ldap_pvt_thread_cond_init LDAP_P(( ldap_pvt_thread_cond_t *cond )); 97 98 LDAP_F( int ) 99 ldap_pvt_thread_cond_destroy LDAP_P(( ldap_pvt_thread_cond_t *cond )); 100 101 LDAP_F( int ) 102 ldap_pvt_thread_cond_signal LDAP_P(( ldap_pvt_thread_cond_t *cond )); 103 104 LDAP_F( int ) 105 ldap_pvt_thread_cond_broadcast LDAP_P(( ldap_pvt_thread_cond_t *cond )); 106 107 LDAP_F( int ) 108 ldap_pvt_thread_cond_wait LDAP_P(( 109 ldap_pvt_thread_cond_t *cond, 110 ldap_pvt_thread_mutex_t *mutex )); 111 112 LDAP_F( int ) 113 ldap_pvt_thread_mutex_init LDAP_P(( ldap_pvt_thread_mutex_t *mutex )); 114 115 LDAP_F( int ) 116 ldap_pvt_thread_mutex_recursive_init LDAP_P(( ldap_pvt_thread_mutex_t *mutex )); 117 118 LDAP_F( int ) 119 ldap_pvt_thread_mutex_destroy LDAP_P(( ldap_pvt_thread_mutex_t *mutex )); 120 121 LDAP_F( int ) 122 ldap_pvt_thread_mutex_lock LDAP_P(( ldap_pvt_thread_mutex_t *mutex )); 123 124 LDAP_F( int ) 125 ldap_pvt_thread_mutex_trylock LDAP_P(( ldap_pvt_thread_mutex_t *mutex )); 126 127 LDAP_F( int ) 128 ldap_pvt_thread_mutex_unlock LDAP_P(( ldap_pvt_thread_mutex_t *mutex )); 129 130 LDAP_F( ldap_pvt_thread_t ) 131 ldap_pvt_thread_self LDAP_P(( void )); 132 133 #ifdef LDAP_INT_THREAD_ASSERT_MUTEX_OWNER 134 #define LDAP_PVT_THREAD_ASSERT_MUTEX_OWNER LDAP_INT_THREAD_ASSERT_MUTEX_OWNER 135 #else 136 #define LDAP_PVT_THREAD_ASSERT_MUTEX_OWNER(mutex) ((void) 0) 137 #endif 138 139 LDAP_F( int ) 140 ldap_pvt_thread_rdwr_init LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp)); 141 142 LDAP_F( int ) 143 ldap_pvt_thread_rdwr_destroy LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp)); 144 145 LDAP_F( int ) 146 ldap_pvt_thread_rdwr_rlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp)); 147 148 LDAP_F( int ) 149 ldap_pvt_thread_rdwr_rtrylock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp)); 150 151 LDAP_F( int ) 152 ldap_pvt_thread_rdwr_runlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp)); 153 154 LDAP_F( int ) 155 ldap_pvt_thread_rdwr_wlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp)); 156 157 LDAP_F( int ) 158 ldap_pvt_thread_rdwr_wtrylock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp)); 159 160 LDAP_F( int ) 161 ldap_pvt_thread_rdwr_wunlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp)); 162 163 LDAP_F( int ) 164 ldap_pvt_thread_key_create LDAP_P((ldap_pvt_thread_key_t *keyp)); 165 166 LDAP_F( int ) 167 ldap_pvt_thread_key_destroy LDAP_P((ldap_pvt_thread_key_t key)); 168 169 LDAP_F( int ) 170 ldap_pvt_thread_key_setdata LDAP_P((ldap_pvt_thread_key_t key, void *data)); 171 172 LDAP_F( int ) 173 ldap_pvt_thread_key_getdata LDAP_P((ldap_pvt_thread_key_t key, void **data)); 174 175 #ifdef LDAP_DEBUG 176 LDAP_F( int ) 177 ldap_pvt_thread_rdwr_readers LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp)); 178 179 LDAP_F( int ) 180 ldap_pvt_thread_rdwr_writers LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp)); 181 182 LDAP_F( int ) 183 ldap_pvt_thread_rdwr_active LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp)); 184 #endif /* LDAP_DEBUG */ 185 186 #define LDAP_PVT_THREAD_EINVAL EINVAL 187 #define LDAP_PVT_THREAD_EBUSY EINVAL 188 189 #ifndef LDAP_PVT_THREAD_H_DONE 190 typedef ldap_int_thread_pool_t ldap_pvt_thread_pool_t; 191 192 typedef void * (ldap_pvt_thread_start_t) LDAP_P((void *ctx, void *arg)); 193 typedef int (ldap_pvt_thread_walk_t) LDAP_P((ldap_pvt_thread_start_t *start, void *start_arg, void *arg)); 194 typedef void (ldap_pvt_thread_pool_keyfree_t) LDAP_P((void *key, void *data)); 195 #endif /* !LDAP_PVT_THREAD_H_DONE */ 196 197 LDAP_F( int ) 198 ldap_pvt_thread_pool_init LDAP_P(( 199 ldap_pvt_thread_pool_t *pool_out, 200 int max_threads, 201 int max_pending )); 202 203 LDAP_F( int ) 204 ldap_pvt_thread_pool_init_q LDAP_P(( 205 ldap_pvt_thread_pool_t *pool_out, 206 int max_threads, 207 int max_pending, 208 int num_qs )); 209 210 LDAP_F( int ) 211 ldap_pvt_thread_pool_submit LDAP_P(( 212 ldap_pvt_thread_pool_t *pool, 213 ldap_pvt_thread_start_t *start, 214 void *arg )); 215 216 LDAP_F( int ) 217 ldap_pvt_thread_pool_submit2 LDAP_P(( 218 ldap_pvt_thread_pool_t *pool, 219 ldap_pvt_thread_start_t *start, 220 void *arg, 221 void **cookie )); 222 223 LDAP_F( int ) 224 ldap_pvt_thread_pool_retract LDAP_P(( 225 void *cookie )); 226 227 LDAP_F( int ) 228 ldap_pvt_thread_pool_walk LDAP_P(( 229 ldap_pvt_thread_pool_t *pool, 230 ldap_pvt_thread_start_t *start, 231 ldap_pvt_thread_walk_t *cb, 232 void *arg )); 233 234 LDAP_F( int ) 235 ldap_pvt_thread_pool_maxthreads LDAP_P(( 236 ldap_pvt_thread_pool_t *pool, 237 int max_threads )); 238 239 LDAP_F( int ) 240 ldap_pvt_thread_pool_queues LDAP_P(( 241 ldap_pvt_thread_pool_t *pool, 242 int numqs )); 243 244 #ifndef LDAP_PVT_THREAD_H_DONE 245 typedef enum { 246 LDAP_PVT_THREAD_POOL_PARAM_UNKNOWN = -1, 247 LDAP_PVT_THREAD_POOL_PARAM_MAX, 248 LDAP_PVT_THREAD_POOL_PARAM_MAX_PENDING, 249 LDAP_PVT_THREAD_POOL_PARAM_OPEN, 250 LDAP_PVT_THREAD_POOL_PARAM_STARTING, 251 LDAP_PVT_THREAD_POOL_PARAM_ACTIVE, 252 LDAP_PVT_THREAD_POOL_PARAM_PAUSING, 253 LDAP_PVT_THREAD_POOL_PARAM_PENDING, 254 LDAP_PVT_THREAD_POOL_PARAM_BACKLOAD, 255 LDAP_PVT_THREAD_POOL_PARAM_ACTIVE_MAX, 256 LDAP_PVT_THREAD_POOL_PARAM_PENDING_MAX, 257 LDAP_PVT_THREAD_POOL_PARAM_BACKLOAD_MAX, 258 LDAP_PVT_THREAD_POOL_PARAM_STATE 259 } ldap_pvt_thread_pool_param_t; 260 #endif /* !LDAP_PVT_THREAD_H_DONE */ 261 262 LDAP_F( int ) 263 ldap_pvt_thread_pool_query LDAP_P(( 264 ldap_pvt_thread_pool_t *pool, 265 ldap_pvt_thread_pool_param_t param, void *value )); 266 267 LDAP_F( int ) 268 ldap_pvt_thread_pool_pausing LDAP_P(( 269 ldap_pvt_thread_pool_t *pool )); 270 271 LDAP_F( int ) 272 ldap_pvt_thread_pool_backload LDAP_P(( 273 ldap_pvt_thread_pool_t *pool )); 274 275 LDAP_F( void ) 276 ldap_pvt_thread_pool_idle LDAP_P(( 277 ldap_pvt_thread_pool_t *pool )); 278 279 LDAP_F( void ) 280 ldap_pvt_thread_pool_unidle LDAP_P(( 281 ldap_pvt_thread_pool_t *pool )); 282 283 LDAP_F( int ) 284 ldap_pvt_thread_pool_pausecheck LDAP_P(( 285 ldap_pvt_thread_pool_t *pool )); 286 287 LDAP_F( int ) 288 ldap_pvt_thread_pool_pausecheck_native LDAP_P(( 289 ldap_pvt_thread_pool_t *pool )); 290 291 LDAP_F( int ) 292 ldap_pvt_thread_pool_pause LDAP_P(( 293 ldap_pvt_thread_pool_t *pool )); 294 295 LDAP_F( int ) 296 ldap_pvt_thread_pool_resume LDAP_P(( 297 ldap_pvt_thread_pool_t *pool )); 298 299 LDAP_F( int ) 300 ldap_pvt_thread_pool_destroy LDAP_P(( 301 ldap_pvt_thread_pool_t *pool, 302 int run_pending )); 303 304 LDAP_F( int ) 305 ldap_pvt_thread_pool_close LDAP_P(( 306 ldap_pvt_thread_pool_t *pool, 307 int run_pending )); 308 309 LDAP_F( int ) 310 ldap_pvt_thread_pool_free LDAP_P(( 311 ldap_pvt_thread_pool_t *pool )); 312 313 LDAP_F( int ) 314 ldap_pvt_thread_pool_getkey LDAP_P(( 315 void *ctx, 316 void *key, 317 void **data, 318 ldap_pvt_thread_pool_keyfree_t **kfree )); 319 320 LDAP_F( int ) 321 ldap_pvt_thread_pool_setkey LDAP_P(( 322 void *ctx, 323 void *key, 324 void *data, 325 ldap_pvt_thread_pool_keyfree_t *kfree, 326 void **olddatap, 327 ldap_pvt_thread_pool_keyfree_t **oldkfreep )); 328 329 LDAP_F( void ) 330 ldap_pvt_thread_pool_purgekey LDAP_P(( void *key )); 331 332 LDAP_F( void *) 333 ldap_pvt_thread_pool_context LDAP_P(( void )); 334 335 LDAP_F( void ) 336 ldap_pvt_thread_pool_context_reset LDAP_P(( void *key )); 337 338 LDAP_F( ldap_pvt_thread_t ) 339 ldap_pvt_thread_pool_tid LDAP_P(( void *ctx )); 340 341 LDAP_END_DECL 342 343 #define LDAP_PVT_THREAD_H_DONE 344 #endif /* _LDAP_PVT_THREAD_H */ 345