git.sur5r.net Git - openldap/blob - libraries/libldap_r/thr_nt.c

   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
  11 /* thr_nt.c - wrapper around NT threads */
  12
  13 #include "portable.h"
  14 #include "ldap_pvt_thread.h"
  15
  16 #if defined( HAVE_NT_THREADS )
  17
  18 int
  19 ldap_pvt_thread_initialize( void )
  20 {
  21         return 0;
  22 }
  23
  24 int
  25 ldap_pvt_thread_create( ldap_pvt_thread_t * thread,
  26         int detach,
  27         void *(*start_routine)( void *),
  28         void *arg)
  29 {
  30         *thread = (ldap_pvt_thread_t)_beginthread( (void *) start_routine,
  31                                                 0, arg );
  32          return ( (unsigned long)*thread == -1 ? -1 : 0 );
  33 }
  34
  35 void
  36 ldap_pvt_thread_exit( void *retval )
  37 {
  38         _endthread( );
  39 }
  40
  41 int
  42 ldap_pvt_thread_join( ldap_pvt_thread_t thread, void **thread_return )
  43 {
  44         DWORD status;
  45         status = WaitForSingleObject( thread, INFINITE );
  46         if (status == WAIT_FAILED) {
  47                 return -1;
  48         }
  49         return 0;
  50 }
  51
  52 int
  53 ldap_pvt_thread_kill( ldap_pvt_thread_t thread, int signo )
  54 {
  55         return 0;
  56 }
  57
  58 int
  59 ldap_pvt_thread_yield( void )
  60 {
  61         return 0;
  62 }
  63
  64 int
  65 ldap_pvt_thread_cond_init( ldap_pvt_thread_cond_t *cond )
  66 {
  67         *cond = CreateEvent( NULL, FALSE, FALSE, NULL );
  68         return( 0 );
  69 }
  70
  71 int
  72 ldap_pvt_thread_cond_destroy( ldap_pvt_thread_cond_t *cv )
  73 {
  74         CloseHandle( *cv );
  75         return( 0 );
  76 }
  77
  78 int
  79 ldap_pvt_thread_cond_signal( ldap_pvt_thread_cond_t *cond )
  80 {
  81         SetEvent( *cond );
  82         return( 0 );
  83 }
  84
  85 int
  86 ldap_pvt_thread_cond_wait( ldap_pvt_thread_cond_t *cond,
  87                           ldap_pvt_thread_mutex_t *mutex )
  88 {
  89         ReleaseMutex( *mutex );
  90         WaitForSingleObject( *cond, INFINITE );
  91         WaitForSingleObject( *mutex, INFINITE );
  92         return( 0 );
  93 }
  94
  95 int
  96 ldap_pvt_thread_cond_broadcast( ldap_pvt_thread_cond_t *cv )
  97 {
  98         SetEvent( *cv );
  99         return( 0 );
 100 }
 101
 102 int
 103 ldap_pvt_thread_mutex_init( ldap_pvt_thread_mutex_t *mutex )
 104 {
 105         *mutex = CreateMutex( NULL, 0, NULL );
 106         return ( 0 );
 107 }
 108
 109 int
 110 ldap_pvt_thread_mutex_destroy( ldap_pvt_thread_mutex_t *mutex )
 111 {
 112         CloseHandle( *mutex );
 113         return ( 0 );
 114 }
 115
 116 int
 117 ldap_pvt_thread_mutex_lock( ldap_pvt_thread_mutex_t *mutex )
 118 {
 119         WaitForSingleObject( *mutex, INFINITE );
 120         return ( 0 );
 121 }
 122
 123 int
 124 ldap_pvt_thread_mutex_unlock( ldap_pvt_thread_mutex_t *mutex )
 125 {
 126         ReleaseMutex( *mutex );
 127         return ( 0 );
 128 }
 129
 130 int
 131 ldap_pvt_thread_mutex_trylock( ldap_pvt_thread_mutex_t *mp )
 132 {
 133         DWORD status;
 134
 135         status = WaitForSingleObject( *mp, 0 );
 136         if ( (status == WAIT_FAILED) || (status == WAIT_TIMEOUT) )
 137                 return 0;
 138         else
 139                 return 1;
 140 }
 141
 142 #endif