/* $OpenLDAP$ */
-/*
- * Copyright 1998-2000 The OpenLDAP Foundation, Redwood City, California, USA
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2007 The OpenLDAP Foundation.
* 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.
+ * 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 "ldap_int_thread.h"
-#include "ldap_pvt_thread.h"
+#include <stdio.h>
-LIBLDAP_F( int )
-ldap_pvt_thread_initialize ( void )
-{
- return ldap_int_thread_initialize();
-}
+#include <ac/stdarg.h>
+#include <ac/stdlib.h>
+#include <ac/string.h>
+#include <ac/unistd.h>
-LIBLDAP_F( int )
-ldap_pvt_thread_destroy ( void )
-{
- return ldap_int_thread_destroy();
-}
+#include "ldap_pvt_thread.h" /* Get the thread interface */
+#include "ldap_thr_debug.h" /* May redirect thread initialize/destroy calls */
-LIBLDAP_F( int )
-ldap_pvt_thread_get_concurrency ( void )
-{
-#ifdef HAVE_GETCONCURRENCY
- return ldap_int_thread_get_concurrency();
-#else
- return 1;
-#endif
-}
-LIBLDAP_F( int )
-ldap_pvt_thread_set_concurrency ( int concurrency )
-{
-#ifdef HAVE_SETCONCURRENCY
- return ldap_int_thread_set_concurrency(concurrency);
-#else
- return 1;
-#endif
-}
+/*
+ * 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
+ */
-LIBLDAP_F( int )
-ldap_pvt_thread_create (
- ldap_pvt_thread_t * thread,
- int detach,
- void *(*start_routine)( void * ),
- void *arg)
-{
- return ldap_int_thread_create(thread, detach, start_routine, arg);
-}
-LIBLDAP_F( void )
-ldap_pvt_thread_exit ( void *retval )
+int ldap_pvt_thread_initialize( void )
{
- ldap_int_thread_exit(retval);
-}
+ int rc;
+ static int init = 0;
+ ldap_pvt_thread_rmutex_t rm;
+ ldap_pvt_thread_t tid;
-LIBLDAP_F( int )
-ldap_pvt_thread_join ( ldap_pvt_thread_t thread, void **status )
-{
- return ldap_int_thread_join(thread, status);
-}
+ /* we only get one shot at this */
+ if( init++ ) return -1;
-LIBLDAP_F( int )
-ldap_pvt_thread_kill ( ldap_pvt_thread_t thread, int signo )
-{
- return ldap_int_thread_kill(thread, signo);
-}
+ rc = ldap_int_thread_initialize();
+ if( rc ) return rc;
-LIBLDAP_F( int )
-ldap_pvt_thread_yield ( void )
-{
- return ldap_int_thread_yield();
-}
+#ifndef LDAP_THREAD_HAVE_TPOOL
+ rc = ldap_int_thread_pool_startup();
+ if( rc ) return rc;
+#endif
-LIBLDAP_F( int )
-ldap_pvt_thread_cond_init ( ldap_pvt_thread_cond_t *cond )
-{
- return ldap_int_thread_cond_init(cond);
-}
+ /* 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 );
-LIBLDAP_F( int )
-ldap_pvt_thread_cond_destroy ( ldap_pvt_thread_cond_t *cond )
-{
- return ldap_int_thread_cond_destroy(cond);
+ return 0;
}
-LIBLDAP_F( int )
-ldap_pvt_thread_cond_signal ( ldap_pvt_thread_cond_t *cond )
+int ldap_pvt_thread_destroy( void )
{
- return ldap_int_thread_cond_signal(cond);
+#ifndef LDAP_THREAD_HAVE_TPOOL
+ (void) ldap_int_thread_pool_shutdown();
+#endif
+ return ldap_int_thread_destroy();
}
-LIBLDAP_F( int )
-ldap_pvt_thread_cond_broadcast ( ldap_pvt_thread_cond_t *cond )
-{
- return ldap_int_thread_cond_broadcast(cond);
-}
-LIBLDAP_F( int )
-ldap_pvt_thread_cond_wait (
- ldap_pvt_thread_cond_t *cond,
- ldap_pvt_thread_mutex_t *mutex )
-{
- return ldap_int_thread_cond_wait(cond, mutex);
-}
+/*
+ * Default implementations of some LDAP thread routines
+ */
-LIBLDAP_F( int )
-ldap_pvt_thread_mutex_init ( ldap_pvt_thread_mutex_t *mutex )
-{
- return ldap_int_thread_mutex_init(mutex);
-}
+#define LDAP_THREAD_IMPLEMENTATION
+#include "ldap_thr_debug.h" /* May rename the symbols defined below */
-LIBLDAP_F( int )
-ldap_pvt_thread_mutex_destroy ( ldap_pvt_thread_mutex_t *mutex )
-{
- return ldap_int_thread_mutex_destroy(mutex);
-}
-LIBLDAP_F( int )
-ldap_pvt_thread_mutex_lock ( ldap_pvt_thread_mutex_t *mutex )
+#ifndef LDAP_THREAD_HAVE_GETCONCURRENCY
+int
+ldap_pvt_thread_get_concurrency ( void )
{
- return ldap_int_thread_mutex_lock(mutex);
+ return 1;
}
+#endif
-LIBLDAP_F( int )
-ldap_pvt_thread_mutex_trylock ( ldap_pvt_thread_mutex_t *mutex )
+#ifndef LDAP_THREAD_HAVE_SETCONCURRENCY
+int
+ldap_pvt_thread_set_concurrency ( int concurrency )
{
- return ldap_int_thread_mutex_trylock(mutex);
+ return 1;
}
+#endif
-LIBLDAP_F( int )
-ldap_pvt_thread_mutex_unlock ( ldap_pvt_thread_mutex_t *mutex )
+#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
+)
{
- return ldap_int_thread_mutex_unlock(mutex);
+ sleep( interval );
+ return 0;
}
+#endif
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