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

   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
  12 /* thr_nt.c - wrapper around NT threads */
  13
  14 #include "portable.h"
  15
  16 #if defined( HAVE_NT_THREADS )
  17
  18 #include "ldap_pvt_thread.h"
  19
  20 int
  21 ldap_int_thread_initialize( void )
  22 {
  23         return 0;
  24 }
  25
  26 int
  27 ldap_int_thread_destroy( void )
  28 {
  29         return 0;
  30 }
  31
  32 int
  33 ldap_pvt_thread_create( ldap_pvt_thread_t * thread,
  34         int detach,
  35         void *(*start_routine)( void *),
  36         void *arg)
  37 {
  38         *thread = (ldap_pvt_thread_t)_beginthread( (void *) start_routine,
  39                                                 0, arg );
  40          return ( (unsigned long)*thread == -1 ? -1 : 0 );
  41 }
  42
  43 void
  44 ldap_pvt_thread_exit( void *retval )
  45 {
  46         _endthread( );
  47 }
  48
  49 int
  50 ldap_pvt_thread_join( ldap_pvt_thread_t thread, void **thread_return )
  51 {
  52         DWORD status;
  53         status = WaitForSingleObject( (HANDLE) thread, INFINITE );
  54         return status == WAIT_FAILED ? -1 : 0;
  55 }
  56
  57 int
  58 ldap_pvt_thread_kill( ldap_pvt_thread_t thread, int signo )
  59 {
  60         return 0;
  61 }
  62
  63 int
  64 ldap_pvt_thread_yield( void )
  65 {
  66         Sleep( 0 );
  67         return 0;
  68 }
  69
  70 int
  71 ldap_pvt_thread_cond_init( ldap_pvt_thread_cond_t *cond )
  72 {
  73         *cond = CreateEvent( NULL, FALSE, FALSE, NULL );
  74         return( 0 );
  75 }
  76
  77 int
  78 ldap_pvt_thread_cond_destroy( ldap_pvt_thread_cond_t *cv )
  79 {
  80         CloseHandle( *cv );
  81         return( 0 );
  82 }
  83
  84 int
  85 ldap_pvt_thread_cond_signal( ldap_pvt_thread_cond_t *cond )
  86 {
  87         SetEvent( *cond );
  88         return( 0 );
  89 }
  90
  91 int
  92 ldap_pvt_thread_cond_wait( ldap_pvt_thread_cond_t *cond,
  93         ldap_pvt_thread_mutex_t *mutex )
  94 {
  95         SignalObjectAndWait( *mutex, *cond, INFINITE, FALSE );
  96         WaitForSingleObject( *mutex, INFINITE );
  97         return( 0 );
  98 }
  99
 100 int
 101 ldap_pvt_thread_cond_broadcast( ldap_pvt_thread_cond_t *cond )
 102 {
 103         SetEvent( *cond );
 104         return( 0 );
 105 }
 106
 107 int
 108 ldap_pvt_thread_mutex_init( ldap_pvt_thread_mutex_t *mutex )
 109 {
 110         *mutex = CreateMutex( NULL, 0, NULL );
 111         return ( 0 );
 112 }
 113
 114 int
 115 ldap_pvt_thread_mutex_destroy( ldap_pvt_thread_mutex_t *mutex )
 116 {
 117         CloseHandle( *mutex );
 118         return ( 0 );
 119 }
 120
 121 int
 122 ldap_pvt_thread_mutex_lock( ldap_pvt_thread_mutex_t *mutex )
 123 {
 124         DWORD status;
 125         status = WaitForSingleObject( *mutex, INFINITE );
 126         return status == WAIT_FAILED ? -1 : 0;
 127 }
 128
 129 int
 130 ldap_pvt_thread_mutex_unlock( ldap_pvt_thread_mutex_t *mutex )
 131 {
 132         ReleaseMutex( *mutex );
 133         return ( 0 );
 134 }
 135
 136 int
 137 ldap_pvt_thread_mutex_trylock( ldap_pvt_thread_mutex_t *mp )
 138 {
 139         DWORD status;
 140         status = WaitForSingleObject( *mp, 0 );
 141         return status == WAIT_FAILED || status == WAIT_TIMEOUT
 142                 ? -1 : 0;
 143 }
 144
 145 #endif