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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 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, see <http://www.gnu.org/licenses/>.
- *
- * Author: Ryan Lortie <desrt@desrt.ca>
- */
- #ifndef __G_BITLOCK_H__
- #define __G_BITLOCK_H__
- #include <glib/gtypes.h>
- #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
- #error "Only <glib.h> 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_ */
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