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/*
* Copyright (c) 2002-2018 Balabit
* Copyright (c) 2018 Laszlo Budai <laszlo.budai@balabit.com>
*
* 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_GSSIZE_H_INCLUDED
#define ATOMIC_GSSIZE_H_INCLUDED
#include "syslog-ng.h"
G_STATIC_ASSERT(sizeof(gssize) == sizeof(gpointer));
typedef struct
{
gssize value;
} atomic_gssize;
static inline gssize
atomic_gssize_add(atomic_gssize *a, gssize add)
{
return g_atomic_pointer_add(&a->value, add);
}
static inline gssize
atomic_gssize_sub(atomic_gssize *a, gssize sub)
{
return g_atomic_pointer_add(&a->value, -1 * sub);
}
static inline gssize
atomic_gssize_inc(atomic_gssize *a)
{
return g_atomic_pointer_add(&a->value, 1);
}
static inline gssize
atomic_gssize_dec(atomic_gssize *a)
{
return g_atomic_pointer_add(&a->value, -1);
}
static inline gssize
atomic_gssize_get(atomic_gssize *a)
{
return (gssize)g_atomic_pointer_get(&a->value);
}
static inline void
atomic_gssize_set(atomic_gssize *a, gssize value)
{
g_atomic_pointer_set(&a->value, value);
}
static inline gsize
atomic_gssize_get_unsigned(atomic_gssize *a)
{
return (gsize)g_atomic_pointer_get(&a->value);
}
static inline gssize
atomic_gssize_racy_get(atomic_gssize *a)
{
return a->value;
}
static inline gsize
atomic_gssize_racy_get_unsigned(atomic_gssize *a)
{
return (gsize)a->value;
}
static inline void
atomic_gssize_racy_set(atomic_gssize *a, gssize value)
{
a->value = value;
}
static inline gsize
atomic_gssize_or(atomic_gssize *a, gsize value)
{
return g_atomic_pointer_or(&a->value, value);
}
static inline gsize
atomic_gssize_xor(atomic_gssize *a, gsize value)
{
return g_atomic_pointer_xor(&a->value, value);
}
static inline gsize
atomic_gssize_and(atomic_gssize *a, gsize value)
{
return g_atomic_pointer_and(&a->value, value);
}
static inline gboolean
atomic_gssize_compare_and_exchange(atomic_gssize *a, gssize oldval, gssize newval)
{
return g_atomic_pointer_compare_and_exchange(&a->value, oldval, newval);
}
static inline gssize
atomic_gssize_set_and_get(atomic_gssize *a, gssize value)
{
gssize oldval = atomic_gssize_get(a);
while (!atomic_gssize_compare_and_exchange(a,
oldval,
value))
{
oldval = atomic_gssize_get(a);
}
return oldval;
}
#endif
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