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* Copyright © 2008 Ryan Lortie
* Copyright © 2010 Codethink Limited
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see .
*
* Author: Ryan Lortie
*/
#ifndef __G_BITLOCK_H__
#define __G_BITLOCK_H__
#include
#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
#error "Only can be included directly."
#endif
G_BEGIN_DECLS
GLIB_AVAILABLE_IN_ALL
void g_bit_lock (volatile gint *address,
gint lock_bit);
GLIB_AVAILABLE_IN_ALL
gboolean g_bit_trylock (volatile gint *address,
gint lock_bit);
GLIB_AVAILABLE_IN_ALL
void g_bit_unlock (volatile gint *address,
gint lock_bit);
GLIB_AVAILABLE_IN_ALL
void g_pointer_bit_lock (volatile void *address,
gint lock_bit);
GLIB_AVAILABLE_IN_ALL
gboolean g_pointer_bit_trylock (volatile void *address,
gint lock_bit);
GLIB_AVAILABLE_IN_ALL
void g_pointer_bit_unlock (volatile void *address,
gint lock_bit);
#ifdef __GNUC__
#define g_pointer_bit_lock(address, lock_bit) \
(G_GNUC_EXTENSION ({ \
G_STATIC_ASSERT (sizeof *(address) == sizeof (gpointer)); \
g_pointer_bit_lock ((address), (lock_bit)); \
}))
#define g_pointer_bit_trylock(address, lock_bit) \
(G_GNUC_EXTENSION ({ \
G_STATIC_ASSERT (sizeof *(address) == sizeof (gpointer)); \
g_pointer_bit_trylock ((address), (lock_bit)); \
}))
#define g_pointer_bit_unlock(address, lock_bit) \
(G_GNUC_EXTENSION ({ \
G_STATIC_ASSERT (sizeof *(address) == sizeof (gpointer)); \
g_pointer_bit_unlock ((address), (lock_bit)); \
}))
#endif
G_END_DECLS
#endif /* __G_BITLOCK_H_ */