openldap/libraries/libldap_r/threads.c
2002-01-04 21:17:25 +00:00

89 lines
1.7 KiB
C

/* $OpenLDAP$ */
/*
* Copyright 1998-2002 The OpenLDAP Foundation, Redwood City, California, USA
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted only
* as authorized by the OpenLDAP Public License. A copy of this
* license is available at http://www.OpenLDAP.org/license.html or
* in file LICENSE in the top-level directory of the distribution.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/stdarg.h>
#include <ac/stdlib.h>
#include <ac/string.h>
#include <ac/unistd.h>
#include "ldap_pvt_thread.h"
/*
* Common LDAP thread routines
* see thr_*.c for implementation specific routines
* see rdwr.c for generic reader/writer lock implementation
* see tpool.c for generic thread pool implementation
*/
int ldap_pvt_thread_initialize( void )
{
int rc;
static int init = 0;
/* we only get one shot at this */
if( init++ ) return -1;
rc = ldap_int_thread_initialize();
if( rc ) return rc;
#ifndef LDAP_THREAD_HAVE_TPOOL
rc = ldap_int_thread_pool_startup();
if( rc ) return rc;
#endif
return 0;
}
int ldap_pvt_thread_destroy( void )
{
#ifndef LDAP_THREAD_HAVE_TPOOL
(void) ldap_int_thread_pool_shutdown();
#endif
return ldap_int_thread_destroy();
}
#ifndef LDAP_THREAD_HAVE_GETCONCURRENCY
int
ldap_pvt_thread_get_concurrency ( void )
{
return 1;
}
#endif
#ifndef LDAP_THREAD_HAVE_SETCONCURRENCY
int
ldap_pvt_thread_set_concurrency ( int concurrency )
{
return 1;
}
#endif
#ifndef LDAP_THREAD_HAVE_SLEEP
/*
* Here we assume we have fully preemptive threads and that sleep()
* does the right thing.
*/
unsigned int
ldap_pvt_thread_sleep(
unsigned int interval
)
{
sleep( interval );
return 0;
}
#endif