openldap/libraries/libldap_r/threads.c

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/* $OpenLDAP$ */
/*
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* Copyright 1998-2003 The OpenLDAP Foundation, Redwood City, California, USA
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* 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>
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#include <ac/stdlib.h>
#include <ac/string.h>
#include <ac/unistd.h>
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#include "ldap_pvt_thread.h"
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/*
* 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
*/
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int ldap_pvt_thread_initialize( void )
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{
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int rc;
static int init = 0;
/* we only get one shot at this */
if( init++ ) return -1;
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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;
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}
int ldap_pvt_thread_destroy( void )
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{
#ifndef LDAP_THREAD_HAVE_TPOOL
(void) ldap_int_thread_pool_shutdown();
#endif
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return ldap_int_thread_destroy();
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}
#ifndef LDAP_THREAD_HAVE_GETCONCURRENCY
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int
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ldap_pvt_thread_get_concurrency ( void )
{
return 1;
}
#endif
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#ifndef LDAP_THREAD_HAVE_SETCONCURRENCY
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int
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ldap_pvt_thread_set_concurrency ( int concurrency )
{
return 1;
}
#endif
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#ifndef LDAP_THREAD_HAVE_SLEEP
/*
* Here we assume we have fully preemptive threads and that sleep()
* does the right thing.
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*/
unsigned int
ldap_pvt_thread_sleep(
unsigned int interval
)
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{
sleep( interval );
return 0;
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}
#endif