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   1 /*
   2  * Copyright 1998,1999 The OpenLDAP Foundation, Redwood City, California, USA
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms are permitted only
   6  * as authorized by the OpenLDAP Public License.  A copy of this
   7  * license is available at http://www.OpenLDAP.org/license.html or
   8  * in file LICENSE in the top-level directory of the distribution.
   9  */
  10 /* ldap_pvt_thread.h - ldap threads header file NG */
  11
  12 #ifndef _LDAP_PVT_THREAD_H
  13 #define _LDAP_PVT_THREAD_H
  14
  15 #include "portable.h"
  16
  17 #if defined( HAVE_PTHREADS )
  18 /**********************************
  19  *                                *
  20  * definitions for POSIX Threads  *
  21  *                                *
  22  **********************************/
  23
  24 #include <pthread.h>
  25 #ifdef HAVE_SCHED_H
  26 #include <sched.h>
  27 #endif
  28
  29 LDAP_BEGIN_DECL
  30
  31 typedef pthread_t               ldap_pvt_thread_t;
  32 typedef pthread_attr_t          ldap_pvt_thread_attr_t;
  33 typedef pthread_mutex_t         ldap_pvt_thread_mutex_t;
  34 typedef pthread_mutexattr_t     ldap_pvt_thread_mutexattr_t;
  35 typedef pthread_cond_t          ldap_pvt_thread_cond_t;
  36 typedef pthread_condattr_t      ldap_pvt_thread_condattr_t;
  37
  38 #define LDAP_PVT_THREAD_CREATE_DETACHED PTHREAD_CREATE_DETACHED
  39 #define LDAP_PVT_THREAD_CREATE_JOINABLE PTHREAD_CREATE_JOINABLE
  40
  41 #if defined( _POSIX_REENTRANT_FUNCTIONS ) || \
  42         defined( _POSIX_THREAD_SAFE_FUNCTIONS ) || \
  43         defined( _POSIX_THREADSAFE_FUNCTIONS )
  44 #define HAVE_REENTRANT_FUNCTIONS 1
  45 #endif
  46
  47 LDAP_END_DECL
  48
  49 #elif defined ( HAVE_MACH_CTHREADS )
  50 /**********************************
  51  *                                *
  52  * definitions for Mach CThreads  *
  53  *                                *
  54  **********************************/
  55
  56 #include <mach/cthreads.h>
  57
  58 LDAP_BEGIN_DECL
  59
  60 typedef cthread_t               ldap_pvt_thread_t;
  61 typedef int                     ldap_pvt_thread_attr_t;
  62 typedef struct mutex            ldap_pvt_thread_mutex_t;
  63 typedef int                     ldap_pvt_thread_mutexattr_t;
  64 typedef struct condition        ldap_pvt_thread_cond_t;
  65 typedef int                     ldap_pvt_thread_condattr_t;
  66
  67 #define LDAP_PVT_THREAD_CREATE_DETACHED 1
  68 #define LDAP_PVT_THREAD_CREATE_JOINABLE 0
  69
  70 LDAP_END_DECL
  71
  72 #elif defined( HAVE_THR )
  73 /**************************************
  74  *                                    *
  75  * thread definitions for Solaris LWP *
  76  *                                    *
  77  **************************************/
  78
  79 #include <thread.h>
  80 #include <synch.h>
  81
  82 LDAP_BEGIN_DECL
  83
  84 typedef thread_t                ldap_pvt_thread_t;
  85 typedef int                     ldap_pvt_thread_attr_t;
  86 typedef mutex_t                 ldap_pvt_thread_mutex_t;
  87 typedef int                     ldap_pvt_thread_mutexattr_t;
  88 typedef cond_t                  ldap_pvt_thread_cond_t;
  89 typedef int                     ldap_pvt_thread_condattr_t;
  90
  91 #define LDAP_PVT_THREAD_CREATE_DETACHED THR_DETACHED
  92 #define LDAP_PVT_THREAD_CREATE_JOINABLE 0
  93
  94 #define HAVE_REENTRANT_FUNCTIONS 1
  95
  96 LDAP_END_DECL
  97
  98 #elif defined( HAVE_LWP )
  99 /*************************************
 100  *                                   *
 101  * thread definitions for SunOS LWP  *
 102  *                                   *
 103  *************************************/
 104
 105 #include <lwp/lwp.h>
 106 #include <lwp/stackdep.h>
 107
 108 LDAP_BEGIN_DECL
 109
 110 typedef thread_t                ldap_pvt_thread_t;
 111 typedef int                     ldap_pvt_thread_attr_t;
 112 typedef mon_t                   ldap_pvt_thread_mutex_t;
 113 typedef int                     ldap_pvt_thread_mutexattr_t;
 114 struct lwpcv {
 115         int             lcv_created;
 116         cv_t            lcv_cv;
 117 };
 118 typedef struct lwpcv            ldap_pvt_thread_cond_t;
 119 typedef int                     ldap_pvt_thread_condattr_t;
 120
 121 #define LDAP_PVT_THREAD_CREATE_DETACHED 1
 122 #define LDAP_PVT_THREAD_CREATE_JOINABLE 0
 123
 124 #define HAVE_REENTRANT_FUNCTIONS 1
 125
 126 stkalign_t *ldap_pvt_thread_get_stack( int *stacknop );
 127 void ldap_pvt_thread_free_stack( int *stackno );
 128
 129 LDAP_END_DECL
 130
 131 #elif HAVE_NT_THREADS
 132
 133 #include <windows.h>
 134 #include <process.h>
 135
 136 typedef HANDLE                  ldap_pvt_thread_t;
 137 typedef int                     ldap_pvt_thread_attr_t;
 138 typedef HANDLE                  ldap_pvt_thread_mutex_t;
 139 typedef int                     ldap_pvt_thread_mutexattr_t;
 140 typedef HANDLE                  ldap_pvt_thread_cond_t;
 141 typedef int                     ldap_pvt_thread_condattr_t;
 142
 143 #define LDAP_PVT_THREAD_CREATE_DETACHED 0
 144 #define LDAP_PVT_THREAD_CREATE_JOINABLE 0
 145
 146 #else
 147
 148 /***********************************
 149  *                                 *
 150  * thread definitions for no       *
 151  * underlying library support      *
 152  *                                 *
 153  ***********************************/
 154
 155 LDAP_BEGIN_DECL
 156
 157 #ifndef NO_THREADS
 158 #define NO_THREADS 1
 159 #endif
 160
 161 typedef int                     ldap_pvt_thread_t;
 162 typedef int                     ldap_pvt_thread_attr_t;
 163 typedef int                     ldap_pvt_thread_mutex_t;
 164 typedef int                     ldap_pvt_thread_mutexattr_t;
 165 typedef int                     ldap_pvt_thread_cond_t;
 166 typedef int                     ldap_pvt_thread_condattr_t;
 167
 168 #define LDAP_PVT_THREAD_CREATE_DETACHED 0
 169 #define LDAP_PVT_THREAD_CREATE_JOINABLE 0
 170
 171 LDAP_END_DECL
 172
 173 #endif /* no threads support */
 174
 175 #ifndef NO_THREADS
 176 #       define HAVE_THREADS 1
 177 #endif
 178
 179 LDAP_F int
 180 ldap_pvt_thread_create LDAP_P(( ldap_pvt_thread_t * thread,
 181                                ldap_pvt_thread_attr_t *attr,
 182                                void *(*start_routine)( void *),
 183                                void *arg));
 184
 185 LDAP_F void
 186 ldap_pvt_thread_exit LDAP_P(( void *retval ));
 187
 188 LDAP_F int
 189 ldap_pvt_thread_join LDAP_P(( ldap_pvt_thread_t thread,
 190                              void **thread_return ));
 191
 192 LDAP_F int
 193 ldap_pvt_thread_kill LDAP_P(( ldap_pvt_thread_t thread, int signo ));
 194
 195 LDAP_F int
 196 ldap_pvt_thread_yield LDAP_P(( void ));
 197
 198 LDAP_F int
 199 ldap_pvt_thread_attr_init LDAP_P(( ldap_pvt_thread_attr_t *attr ));
 200
 201 LDAP_F int
 202 ldap_pvt_thread_attr_destroy LDAP_P(( ldap_pvt_thread_attr_t *attr ));
 203
 204 LDAP_F int
 205 ldap_pvt_thread_attr_setdetachstate LDAP_P(( ldap_pvt_thread_attr_t *attr,
 206                                             int dstate ));
 207
 208 LDAP_F int
 209 ldap_pvt_thread_cond_init LDAP_P(( ldap_pvt_thread_cond_t *cond,
 210                                   ldap_pvt_thread_condattr_t *attr ));
 211
 212 LDAP_F int
 213 ldap_pvt_thread_cond_signal LDAP_P(( ldap_pvt_thread_cond_t *cond ));
 214
 215 LDAP_F int
 216 ldap_pvt_thread_cond_broadcast LDAP_P(( ldap_pvt_thread_cond_t *cond ));
 217
 218 LDAP_F int
 219 ldap_pvt_thread_cond_wait LDAP_P(( ldap_pvt_thread_cond_t *cond,
 220                                   ldap_pvt_thread_mutex_t *mutex ));
 221
 222 LDAP_F int
 223 ldap_pvt_thread_mutex_init LDAP_P(( ldap_pvt_thread_mutex_t *mutex,
 224                                    ldap_pvt_thread_mutexattr_t *attr ));
 225
 226 LDAP_F int
 227 ldap_pvt_thread_mutex_destroy LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
 228
 229 LDAP_F int
 230 ldap_pvt_thread_mutex_lock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
 231
 232 LDAP_F int
 233 ldap_pvt_thread_mutex_unlock LDAP_P(( ldap_pvt_thread_mutex_t *mutex ));
 234
 235 #include <ldap_cdefs.h>
 236
 237 typedef struct ldap_pvt_thread_rdwr_var {
 238         int readers_reading;
 239         int writer_writing;
 240         ldap_pvt_thread_mutex_t mutex;
 241         ldap_pvt_thread_cond_t lock_free;
 242 } ldap_pvt_thread_rdwr_t;
 243
 244 typedef void * ldap_pvt_thread_rdwrattr_t;
 245
 246 LDAP_F int
 247 ldap_pvt_thread_rdwr_init LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp,
 248                                   ldap_pvt_thread_rdwrattr_t *attrp));
 249 LDAP_F int
 250 ldap_pvt_thread_rdwr_rlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 251 LDAP_F int
 252 ldap_pvt_thread_rdwr_runlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 253 LDAP_F int
 254 ldap_pvt_thread_rdwr_wlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 255 LDAP_F int
 256 ldap_pvt_thread_rdwr_wunlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 257
 258 #ifdef LDAP_DEBUG
 259 LDAP_F int
 260 ldap_pvt_thread_rdwr_rchk LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 261 LDAP_F int
 262 ldap_pvt_thread_rdwr_wchk LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 263 LDAP_F int
 264 ldap_pvt_thread_rdwr_rwchk LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 265 #endif /* LDAP_DEBUG */
 266
 267 LDAP_END_DECL
 268
 269 #endif /* _LDAP_THREAD_H */