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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 1997,2007 Oracle. All rights reserved.
*
* $Id: os_yield.c,v 12.14 2007/05/17 15:15:46 bostic Exp $
*/
#include "db_config.h"
#include "db_int.h"
#ifdef HAVE_SYSTEM_INCLUDE_FILES
#if defined(HAVE_SCHED_YIELD)
#include <sched.h>
#endif
#endif
/*
* __os_yield --
* Yield the processor.
*
* PUBLIC: void __os_yield __P((DB_ENV *));
*/
void
__os_yield(dbenv)
DB_ENV *dbenv;
{
if (DB_GLOBAL(j_yield) != NULL) {
(void)DB_GLOBAL(j_yield)();
return;
}
#if defined(HAVE_MUTEX_UI_THREADS)
thr_yield();
#elif defined(HAVE_PTHREAD_YIELD) && \
(defined(HAVE_MUTEX_PTHREADS) || defined(HAVE_PTHREAD_API))
pthread_yield();
#elif defined(HAVE_SCHED_YIELD)
(void)sched_yield();
#elif defined(HAVE_YIELD)
yield();
#else
__os_sleep(dbenv, 0, 1);
#endif
COMPQUIET(dbenv, NULL);
}
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