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/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2021 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
#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" /* Get the thread interface */
#include "ldap_thr_debug.h" /* May redirect thread initialize/destroy calls */
/*
* 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;
ldap_pvt_thread_rmutex_t rm;
ldap_pvt_thread_t tid;
/* 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
/* kludge to pull symbol definitions in */
ldap_pvt_thread_rmutex_init( &rm );
tid = ldap_pvt_thread_self();
ldap_pvt_thread_rmutex_lock( &rm, tid );
ldap_pvt_thread_rmutex_trylock( &rm, tid );
ldap_pvt_thread_rmutex_unlock( &rm, tid );
ldap_pvt_thread_rmutex_unlock( &rm, tid );
ldap_pvt_thread_rmutex_destroy( &rm );
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();
}
/*
* Default implementations of some LDAP thread routines
*/
#define LDAP_THREAD_IMPLEMENTATION
#include "ldap_thr_debug.h" /* May rename the symbols defined below */
#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
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