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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 0 && 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 #if 0
  93 #define LDAP_THREAD_HAVE_RDWR 1
  94 typedef pth_rwlock_t ldap_pvt_thread_rdwr_t;
  95 #endif
  96
  97 LDAP_END_DECL
  98
  99
 100 #elif defined( HAVE_THR )
 101 /********************************************
 102  *                                          *
 103  * thread definitions for Solaris LWP (THR) *
 104  *                                          *
 105  ********************************************/
 106
 107 #include <thread.h>
 108 #include <synch.h>
 109
 110 LDAP_BEGIN_DECL
 111
 112 typedef thread_t                ldap_int_thread_t;
 113 typedef mutex_t                 ldap_int_thread_mutex_t;
 114 typedef cond_t                  ldap_int_thread_cond_t;
 115
 116 #define HAVE_REENTRANT_FUNCTIONS 1
 117
 118 #ifdef HAVE_THR_GETCONCURRENCY
 119 #define HAVE_GETCONCURRENCY 1
 120 #endif
 121 #ifdef HAVE_THR_SETCONCURRENCY
 122 #define HAVE_SETCONCURRENCY 1
 123 #endif
 124
 125 LDAP_END_DECL
 126
 127 #elif defined( HAVE_LWP )
 128 /*************************************
 129  *                                   *
 130  * thread definitions for SunOS LWP  *
 131  *                                   *
 132  *************************************/
 133
 134 #include <lwp/lwp.h>
 135 #include <lwp/stackdep.h>
 136
 137 LDAP_BEGIN_DECL
 138
 139 typedef thread_t                ldap_int_thread_t;
 140 typedef mon_t                   ldap_int_thread_mutex_t;
 141 struct ldap_int_thread_lwp_cv {
 142         int             lcv_created;
 143         cv_t            lcv_cv;
 144 };
 145 typedef struct ldap_int_thread_lwp_cv ldap_int_thread_cond_t;
 146
 147 #define HAVE_REENTRANT_FUNCTIONS 1
 148
 149 LDAP_END_DECL
 150
 151 #elif defined(HAVE_NT_THREADS)
 152
 153 LDAP_BEGIN_DECL
 154
 155 #include <process.h>
 156 #include <windows.h>
 157
 158 typedef unsigned long   ldap_int_thread_t;
 159 typedef HANDLE  ldap_int_thread_mutex_t;
 160 typedef HANDLE  ldap_int_thread_cond_t;
 161
 162 LDAP_END_DECL
 163
 164 #else
 165
 166 /***********************************
 167  *                                 *
 168  * thread definitions for no       *
 169  * underlying library support      *
 170  *                                 *
 171  ***********************************/
 172
 173 LDAP_BEGIN_DECL
 174
 175 #ifndef NO_THREADS
 176 #define NO_THREADS 1
 177 #endif
 178
 179 typedef int                     ldap_int_thread_t;
 180 typedef int                     ldap_int_thread_mutex_t;
 181 typedef int                     ldap_int_thread_cond_t;
 182
 183 LDAP_END_DECL
 184
 185 #endif /* no threads support */
 186
 187 LDAP_BEGIN_DECL
 188
 189 LIBLDAP_F( int )
 190 ldap_int_thread_initialize LDAP_P(( void ));
 191
 192 LIBLDAP_F( int )
 193 ldap_int_thread_destroy LDAP_P(( void ));
 194
 195 LIBLDAP_F( unsigned int )
 196 ldap_int_thread_sleep LDAP_P(( unsigned int s ));
 197
 198 #ifdef HAVE_GETCONCURRENCY
 199 LIBLDAP_F( int )
 200 ldap_int_thread_get_concurrency LDAP_P(( void ));
 201 #endif
 202
 203 #ifdef HAVE_SETCONCURRENCY
 204 #       ifndef LDAP_THREAD_CONCURRENCY
 205         /* three concurrent threads should be enough */
 206 #       define LDAP_THREAD_CONCURRENCY  3
 207 #       endif
 208 LIBLDAP_F( int )
 209 ldap_int_thread_set_concurrency LDAP_P(( int ));
 210 #endif
 211
 212 LIBLDAP_F( int )
 213 ldap_int_thread_create LDAP_P((
 214         ldap_int_thread_t * thread,
 215         int     detach,
 216         void *(*start_routine)( void * ),
 217         void *arg));
 218
 219 LIBLDAP_F( void )
 220 ldap_int_thread_exit LDAP_P(( void *retval ));
 221
 222 LIBLDAP_F( int )
 223 ldap_int_thread_join LDAP_P(( ldap_int_thread_t thread, void **status ));
 224
 225 LIBLDAP_F( int )
 226 ldap_int_thread_kill LDAP_P(( ldap_int_thread_t thread, int signo ));
 227
 228 LIBLDAP_F( int )
 229 ldap_int_thread_yield LDAP_P(( void ));
 230
 231 LIBLDAP_F( int )
 232 ldap_int_thread_cond_init LDAP_P(( ldap_int_thread_cond_t *cond ));
 233
 234 LIBLDAP_F( int )
 235 ldap_int_thread_cond_destroy LDAP_P(( ldap_int_thread_cond_t *cond ));
 236
 237 LIBLDAP_F( int )
 238 ldap_int_thread_cond_signal LDAP_P(( ldap_int_thread_cond_t *cond ));
 239
 240 LIBLDAP_F( int )
 241 ldap_int_thread_cond_broadcast LDAP_P(( ldap_int_thread_cond_t *cond ));
 242
 243 LIBLDAP_F( int )
 244 ldap_int_thread_cond_wait LDAP_P((
 245         ldap_int_thread_cond_t *cond,
 246         ldap_int_thread_mutex_t *mutex ));
 247
 248 LIBLDAP_F( int )
 249 ldap_int_thread_mutex_init LDAP_P(( ldap_int_thread_mutex_t *mutex ));
 250
 251 LIBLDAP_F( int )
 252 ldap_int_thread_mutex_destroy LDAP_P(( ldap_int_thread_mutex_t *mutex ));
 253
 254 LIBLDAP_F( int )
 255 ldap_int_thread_mutex_lock LDAP_P(( ldap_int_thread_mutex_t *mutex ));
 256
 257 LIBLDAP_F( int )
 258 ldap_int_thread_mutex_trylock LDAP_P(( ldap_int_thread_mutex_t *mutex ));
 259
 260 LIBLDAP_F( int )
 261 ldap_int_thread_mutex_unlock LDAP_P(( ldap_int_thread_mutex_t *mutex ));
 262
 263 LDAP_END_DECL
 264
 265 #endif /* _LDAP_INT_THREAD_H */