| /* |
| * Copyright © 2008 Ryan Lortie |
| * Copyright © 2010 Codethink Limited |
| * |
| * SPDX-License-Identifier: LGPL-2.1-or-later |
| * |
| * 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 <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_2_80 |
| void g_pointer_bit_lock_and_get (gpointer address, |
| guint lock_bit, |
| guintptr *out_ptr); |
| |
| 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); |
| |
| GLIB_AVAILABLE_IN_2_80 |
| gpointer g_pointer_bit_lock_mask_ptr (gpointer ptr, |
| guint lock_bit, |
| gboolean set, |
| guintptr preserve_mask, |
| gpointer preserve_ptr); |
| |
| GLIB_AVAILABLE_IN_2_80 |
| void g_pointer_bit_unlock_and_set (void *address, |
| guint lock_bit, |
| gpointer ptr, |
| guintptr preserve_mask); |
| |
| #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_lock_and_get(address, lock_bit, out_ptr) \ |
| (G_GNUC_EXTENSION ({ \ |
| G_STATIC_ASSERT (sizeof *(address) == sizeof (gpointer)); \ |
| g_pointer_bit_lock_and_get ((address), (lock_bit), (out_ptr)); \ |
| })) |
| |
| #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)); \ |
| })) |
| |
| #define g_pointer_bit_unlock_and_set(address, lock_bit, ptr, preserve_mask) \ |
| (G_GNUC_EXTENSION ({ \ |
| G_STATIC_ASSERT (sizeof *(address) == sizeof (gpointer)); \ |
| g_pointer_bit_unlock_and_set ((address), (lock_bit), (ptr), (preserve_mask)); \ |
| })) |
| |
| #endif |
| |
| G_END_DECLS |
| |
| #endif /* __G_BITLOCK_H_ */ |