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Diffstat (limited to 'deps/glib/gbitlock.h')
| -rw-r--r-- | deps/glib/gbitlock.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/deps/glib/gbitlock.h b/deps/glib/gbitlock.h new file mode 100644 index 00000000..ea9cb41a --- /dev/null +++ b/deps/glib/gbitlock.h @@ -0,0 +1,72 @@ +/* + * 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_ */ |