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   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 /* ldap_int_thread.h - ldap internal thread wrappers header file */
  12
  13 #ifndef _LDAP_INT_THREAD_H
  14 #define _LDAP_INT_THREAD_H
  15
  16 #include "ldap_cdefs.h"
  17
  18 #if defined( HAVE_PTHREADS )
  19 /**********************************
  20  *                                *
  21  * definitions for POSIX Threads  *
  22  *                                *
  23  **********************************/
  24
  25 #include <pthread.h>
  26 #ifdef HAVE_SCHED_H
  27 #include <sched.h>
  28 #endif
  29
  30 LDAP_BEGIN_DECL
  31
  32 typedef pthread_t               ldap_int_thread_t;
  33 typedef pthread_mutex_t         ldap_int_thread_mutex_t;
  34 typedef pthread_cond_t          ldap_int_thread_cond_t;
  35
  36 #if defined( _POSIX_REENTRANT_FUNCTIONS ) || \
  37         defined( _POSIX_THREAD_SAFE_FUNCTIONS ) || \
  38         defined( _POSIX_THREADSAFE_FUNCTIONS )
  39 #define HAVE_REENTRANT_FUNCTIONS 1
  40 #endif
  41
  42 #if defined( HAVE_PTHREAD_GETCONCURRENCY ) || \
  43         defined( HAVE_THR_GETCONCURRENCY )
  44 #define HAVE_GETCONCURRENCY 1
  45 #endif
  46
  47 #if defined( HAVE_PTHREAD_SETCONCURRENCY ) || \
  48         defined( HAVE_THR_SETCONCURRENCY )
  49 #define HAVE_SETCONCURRENCY 1
  50 #endif
  51
  52 #if defined( HAVE_PTHREAD_RWLOCK_DESTROY )
  53 #define LDAP_THREAD_HAVE_RDWR 1
  54 typedef pthread_rwlock_t ldap_pvt_thread_rdwr_t;
  55 #endif
  56
  57 LDAP_END_DECL
  58
  59 #elif defined ( HAVE_MACH_CTHREADS )
  60 /**********************************
  61  *                                *
  62  * definitions for Mach CThreads  *
  63  *                                *
  64  **********************************/
  65
  66 #include <mach/cthreads.h>
  67
  68 LDAP_BEGIN_DECL
  69
  70 typedef cthread_t               ldap_int_thread_t;
  71 typedef struct mutex            ldap_int_thread_mutex_t;
  72 typedef struct condition        ldap_int_thread_cond_t;
  73
  74 LDAP_END_DECL
  75
  76 #elif defined( HAVE_GNU_PTH )
  77 /***********************************
  78  *                                 *
  79  * thread definitions for GNU Pth  *
  80  *                                 *
  81  ***********************************/
  82
  83 #define PTH_SYSCALL_SOFT 1
  84 #include <pth.h>
  85
  86 LDAP_BEGIN_DECL
  87
  88 typedef pth_t           ldap_int_thread_t;
  89 typedef pth_mutex_t     ldap_int_thread_mutex_t;
  90 typedef pth_cond_t      ldap_int_thread_cond_t;
  91
  92 LDAP_END_DECL
  93
  94
  95 #elif defined( HAVE_THR )
  96 /********************************************
  97  *                                          *
  98  * thread definitions for Solaris LWP (THR) *
  99  *                                          *
 100  ********************************************/
 101
 102 #include <thread.h>
 103 #include <synch.h>
 104
 105 LDAP_BEGIN_DECL
 106
 107 typedef thread_t                ldap_int_thread_t;
 108 typedef mutex_t                 ldap_int_thread_mutex_t;
 109 typedef cond_t                  ldap_int_thread_cond_t;
 110
 111 #define HAVE_REENTRANT_FUNCTIONS 1
 112
 113 #ifdef HAVE_THR_GETCONCURRENCY
 114 #define HAVE_GETCONCURRENCY 1
 115 #endif
 116 #ifdef HAVE_THR_SETCONCURRENCY
 117 #define HAVE_SETCONCURRENCY 1
 118 #endif
 119
 120 LDAP_END_DECL
 121
 122 #elif defined( HAVE_LWP )
 123 /*************************************
 124  *                                   *
 125  * thread definitions for SunOS LWP  *
 126  *                                   *
 127  *************************************/
 128
 129 #include <lwp/lwp.h>
 130 #include <lwp/stackdep.h>
 131
 132 LDAP_BEGIN_DECL
 133
 134 typedef thread_t                ldap_int_thread_t;
 135 typedef mon_t                   ldap_int_thread_mutex_t;
 136 struct ldap_int_thread_lwp_cv {
 137         int             lcv_created;
 138         cv_t            lcv_cv;
 139 };
 140 typedef struct ldap_int_thread_lwp_cv ldap_int_thread_cond_t;
 141
 142 #define HAVE_REENTRANT_FUNCTIONS 1
 143
 144 LDAP_END_DECL
 145
 146 #elif defined(HAVE_NT_THREADS)
 147
 148 LDAP_BEGIN_DECL
 149
 150 #include <process.h>
 151 #include <windows.h>
 152
 153 typedef unsigned long   ldap_int_thread_t;
 154 typedef HANDLE  ldap_int_thread_mutex_t;
 155 typedef HANDLE  ldap_int_thread_cond_t;
 156
 157 LDAP_END_DECL
 158
 159 #else
 160
 161 /***********************************
 162  *                                 *
 163  * thread definitions for no       *
 164  * underlying library support      *
 165  *                                 *
 166  ***********************************/
 167
 168 LDAP_BEGIN_DECL
 169
 170 #ifndef NO_THREADS
 171 #define NO_THREADS 1
 172 #endif
 173
 174 typedef int                     ldap_int_thread_t;
 175 typedef int                     ldap_int_thread_mutex_t;
 176 typedef int                     ldap_int_thread_cond_t;
 177
 178 LDAP_END_DECL
 179
 180 #endif /* no threads support */
 181
 182 LDAP_BEGIN_DECL
 183
 184 LIBLDAP_F( int )
 185 ldap_int_thread_initialize LDAP_P(( void ));
 186
 187 LIBLDAP_F( int )
 188 ldap_int_thread_destroy LDAP_P(( void ));
 189
 190 LIBLDAP_F( unsigned int )
 191 ldap_int_thread_sleep LDAP_P(( unsigned int s ));
 192
 193 #ifdef HAVE_GETCONCURRENCY
 194 LIBLDAP_F( int )
 195 ldap_int_thread_get_concurrency LDAP_P(( void ));
 196 #endif
 197
 198 #ifdef HAVE_SETCONCURRENCY
 199 #       ifndef LDAP_THREAD_CONCURRENCY
 200         /* three concurrent threads should be enough */
 201 #       define LDAP_THREAD_CONCURRENCY  3
 202 #       endif
 203 LIBLDAP_F( int )
 204 ldap_int_thread_set_concurrency LDAP_P(( int ));
 205 #endif
 206
 207 LIBLDAP_F( int )
 208 ldap_int_thread_create LDAP_P((
 209         ldap_int_thread_t * thread,
 210         int     detach,
 211         void *(*start_routine)( void * ),
 212         void *arg));
 213
 214 LIBLDAP_F( void )
 215 ldap_int_thread_exit LDAP_P(( void *retval ));
 216
 217 LIBLDAP_F( int )
 218 ldap_int_thread_join LDAP_P(( ldap_int_thread_t thread, void **status ));
 219
 220 LIBLDAP_F( int )
 221 ldap_int_thread_kill LDAP_P(( ldap_int_thread_t thread, int signo ));
 222
 223 LIBLDAP_F( int )
 224 ldap_int_thread_yield LDAP_P(( void ));
 225
 226 LIBLDAP_F( int )
 227 ldap_int_thread_cond_init LDAP_P(( ldap_int_thread_cond_t *cond ));
 228
 229 LIBLDAP_F( int )
 230 ldap_int_thread_cond_destroy LDAP_P(( ldap_int_thread_cond_t *cond ));
 231
 232 LIBLDAP_F( int )
 233 ldap_int_thread_cond_signal LDAP_P(( ldap_int_thread_cond_t *cond ));
 234
 235 LIBLDAP_F( int )
 236 ldap_int_thread_cond_broadcast LDAP_P(( ldap_int_thread_cond_t *cond ));
 237
 238 LIBLDAP_F( int )
 239 ldap_int_thread_cond_wait LDAP_P((
 240         ldap_int_thread_cond_t *cond,
 241         ldap_int_thread_mutex_t *mutex ));
 242
 243 LIBLDAP_F( int )
 244 ldap_int_thread_mutex_init LDAP_P(( ldap_int_thread_mutex_t *mutex ));
 245
 246 LIBLDAP_F( int )
 247 ldap_int_thread_mutex_destroy LDAP_P(( ldap_int_thread_mutex_t *mutex ));
 248
 249 LIBLDAP_F( int )
 250 ldap_int_thread_mutex_lock LDAP_P(( ldap_int_thread_mutex_t *mutex ));
 251
 252 LIBLDAP_F( int )
 253 ldap_int_thread_mutex_trylock LDAP_P(( ldap_int_thread_mutex_t *mutex ));
 254
 255 LIBLDAP_F( int )
 256 ldap_int_thread_mutex_unlock LDAP_P(( ldap_int_thread_mutex_t *mutex ));
 257
 258 LDAP_END_DECL
 259
 260 #endif /* _LDAP_INT_THREAD_H */