mirror of
https://github.com/brl/mutter.git
synced 2024-11-26 18:11:05 -05:00
73 lines
2.8 KiB
C
73 lines
2.8 KiB
C
|
/*
|
||
|
* 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 of the licence, 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, write to the
|
||
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||
|
* Boston, MA 02111-1307, USA.
|
||
|
*
|
||
|
* Author: Ryan Lortie <desrt@desrt.ca>
|
||
|
*/
|
||
|
|
||
|
#ifndef __G_BITLOCK_H__
|
||
|
#define __G_BITLOCK_H__
|
||
|
|
||
|
#include <glib/gtypes.h>
|
||
|
|
||
|
#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
|
||
|
#error "Only <glib.h> can be included directly."
|
||
|
#endif
|
||
|
|
||
|
G_BEGIN_DECLS
|
||
|
|
||
|
void g_bit_lock (volatile gint *address,
|
||
|
gint lock_bit);
|
||
|
gboolean g_bit_trylock (volatile gint *address,
|
||
|
gint lock_bit);
|
||
|
void g_bit_unlock (volatile gint *address,
|
||
|
gint lock_bit);
|
||
|
|
||
|
void g_pointer_bit_lock (volatile void *address,
|
||
|
gint lock_bit);
|
||
|
gboolean g_pointer_bit_trylock (volatile void *address,
|
||
|
gint lock_bit);
|
||
|
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_ */
|