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e0aa9d8a61
2008-05-05 Michael Natterer <mitch@imendio.com> * glib/glib.h: #define __GLIB_H_INSIDE__ around including everything. * glib/*.h: check for that define instead of __G_LIB_H__ if G_DISABLE_SINGLE_INCLUDES is defined. * glib/gdatasetprivate.h: #include <glib.h> instead of <glib/gdataset.h> svn path=/trunk/; revision=6875
73 lines
2.8 KiB
C
73 lines
2.8 KiB
C
/* GLIB - Library of useful routines for C programming
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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*
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* g_atomic_*: atomic operations.
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* Copyright (C) 2003 Sebastian Wilhelmi
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GLib Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GLib Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GLib at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
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#error "Only <glib.h> can be included directly."
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#endif
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#ifndef __G_ATOMIC_H__
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#define __G_ATOMIC_H__
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#include <glib/gtypes.h>
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G_BEGIN_DECLS
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gint g_atomic_int_exchange_and_add (volatile gint *atomic,
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gint val);
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void g_atomic_int_add (volatile gint *atomic,
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gint val);
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gboolean g_atomic_int_compare_and_exchange (volatile gint *atomic,
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gint oldval,
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gint newval);
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gboolean g_atomic_pointer_compare_and_exchange (volatile gpointer *atomic,
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gpointer oldval,
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gpointer newval);
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gint g_atomic_int_get (volatile gint *atomic);
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void g_atomic_int_set (volatile gint *atomic,
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gint newval);
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gpointer g_atomic_pointer_get (volatile gpointer *atomic);
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void g_atomic_pointer_set (volatile gpointer *atomic,
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gpointer newval);
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#ifndef G_ATOMIC_OP_MEMORY_BARRIER_NEEDED
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# define g_atomic_int_get(atomic) (*(atomic))
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# define g_atomic_int_set(atomic, newval) ((void) (*(atomic) = (newval)))
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# define g_atomic_pointer_get(atomic) (*(atomic))
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# define g_atomic_pointer_set(atomic, newval) ((void) (*(atomic) = (newval)))
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#endif /* G_ATOMIC_OP_MEMORY_BARRIER_NEEDED */
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#define g_atomic_int_inc(atomic) (g_atomic_int_add ((atomic), 1))
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#define g_atomic_int_dec_and_test(atomic) \
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(g_atomic_int_exchange_and_add ((atomic), -1) == 1)
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G_END_DECLS
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#endif /* __G_ATOMIC_H__ */
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