gstreamer/gst/gstatomic.h

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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_ATOMIC_H__
#define __GST_ATOMIC_H__
#include <glib.h>
G_BEGIN_DECLS
typedef volatile gint gst_vgint; /* gtk-doc volatile workaround */
typedef struct _GstAtomicInt GstAtomicInt;
struct _GstAtomicInt {
gst_vgint counter;
GMutex *lock; /* for C fallback */
};
void gst_atomic_int_init (GstAtomicInt *aint, gint val);
void gst_atomic_int_destroy (GstAtomicInt *aint);
void gst_atomic_int_set (GstAtomicInt *aint, gint val);
gint gst_atomic_int_read (GstAtomicInt *aint);
void gst_atomic_int_add (GstAtomicInt *aint, gint val);
void gst_atomic_int_inc (GstAtomicInt *aint);
gboolean gst_atomic_int_dec_and_test (GstAtomicInt *aint);
G_END_DECLS
#endif /* __GST_ATOMIC_H__ */