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//============================================================
//
// minisync.c - Minimal core synchronization functions
//
//============================================================
//
// Copyright Aaron Giles
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or
// without modification, are permitted provided that the
// following conditions are met:
//
// * Redistributions of source code must retain the above
// copyright notice, this list of conditions and the
// following disclaimer.
// * Redistributions in binary form must reproduce the
// above copyright notice, this list of conditions and
// the following disclaimer in the documentation and/or
// other materials provided with the distribution.
// * Neither the name 'MAME' nor the names of its
// contributors may be used to endorse or promote
// products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
// EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGE (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
//============================================================
#include "osdcore.h"
//============================================================
// osd_lock_alloc
//============================================================
osd_lock *osd_lock_alloc(void)
{
// the minimal implementation does not support threading
// just return a dummy value here
return (osd_lock *)1;
}
//============================================================
// osd_lock_acquire
//============================================================
void osd_lock_acquire(osd_lock *lock)
{
// the minimal implementation does not support threading
// the acquire always "succeeds"
}
//============================================================
// osd_lock_try
//============================================================
int osd_lock_try(osd_lock *lock)
{
// the minimal implementation does not support threading
// the acquire always "succeeds"
return TRUE;
}
//============================================================
// osd_lock_release
//============================================================
void osd_lock_release(osd_lock *lock)
{
// the minimal implementation does not support threading
// do nothing here
}
//============================================================
// osd_lock_free
//============================================================
void osd_lock_free(osd_lock *lock)
{
// the minimal implementation does not support threading
// do nothing here
}
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