atomic.h

Go to the documentation of this file.

/*
 * Copyright (c) 2002-2012 Balabit
 * Copyright (c) 1998-2012 Balázs Scheidler
 *
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * As an additional exemption you are allowed to compile & link against the
 * OpenSSL libraries as published by the OpenSSL project. See the file
 * COPYING for details.
 *
 */
 
#ifndef ATOMIC_H_INCLUDED
#define ATOMIC_H_INCLUDED
 
#include "compat/glib.h"
 
typedef struct
{
  gint counter;
} GAtomicCounter;
 
static inline void
g_atomic_counter_inc(GAtomicCounter *c)
{
  g_atomic_int_inc(&c->counter);
}
 
static inline gboolean
g_atomic_counter_dec_and_test(GAtomicCounter *c)
{
  return g_atomic_int_dec_and_test(&c->counter);
}
 
static inline gint
g_atomic_counter_get(GAtomicCounter *c)
{
  return g_atomic_int_get(&c->counter);
}
 
static inline gint
g_atomic_counter_exchange_and_add(GAtomicCounter *c, gint val)
{
  return g_atomic_int_add(&c->counter, val);
}
 
static inline gint
g_atomic_counter_racy_get(GAtomicCounter *c)
{
  return c->counter;
}
 
static inline void
g_atomic_counter_set(GAtomicCounter *c, gint value)
{
  g_atomic_int_set(&c->counter, value);
}
 
#endif