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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/* dbus-threads-internal.h  D-Bus thread primitives
 *
 * Copyright (C) 2002, 2005 Red Hat Inc.
 *
 * Licensed under the Academic Free License version 2.1
 * 
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */
#ifndef DBUS_THREADS_INTERNAL_H
#define DBUS_THREADS_INTERNAL_H

#include <dbus/dbus-macros.h>
#include <dbus/dbus-types.h>
#include <dbus/dbus-threads.h>

/**
 * @addtogroup DBusThreadsInternals
 * @{
 */

/**
 * A mutex which is recursive if possible, else non-recursive.
 * This is typically recursive, but that cannot be relied upon.
 */
typedef struct DBusRMutex DBusRMutex;

/**
 * A mutex suitable for use with condition variables.
 * This is typically non-recursive.
 */
typedef struct DBusCMutex DBusCMutex;

/** @} */

DBUS_BEGIN_DECLS

void         _dbus_rmutex_lock               (DBusRMutex       *mutex);
void         _dbus_rmutex_unlock             (DBusRMutex       *mutex);
void         _dbus_rmutex_new_at_location    (DBusRMutex      **location_p);
void         _dbus_rmutex_free_at_location   (DBusRMutex      **location_p);

void         _dbus_cmutex_lock               (DBusCMutex       *mutex);
void         _dbus_cmutex_unlock             (DBusCMutex       *mutex);
void         _dbus_cmutex_new_at_location    (DBusCMutex      **location_p);
void         _dbus_cmutex_free_at_location   (DBusCMutex      **location_p);

DBusCondVar* _dbus_condvar_new               (void);
void         _dbus_condvar_free              (DBusCondVar       *cond);
void         _dbus_condvar_wait              (DBusCondVar       *cond,
                                              DBusCMutex        *mutex);
dbus_bool_t  _dbus_condvar_wait_timeout      (DBusCondVar       *cond,
                                              DBusCMutex        *mutex,
                                              int                timeout_milliseconds);
void         _dbus_condvar_wake_one          (DBusCondVar       *cond);
void         _dbus_condvar_new_at_location   (DBusCondVar      **location_p);
void         _dbus_condvar_free_at_location  (DBusCondVar      **location_p);

/* Private to threading implementations and dbus-threads.c */

DBusRMutex  *_dbus_platform_rmutex_new       (void);
void         _dbus_platform_rmutex_free      (DBusRMutex       *mutex);
void         _dbus_platform_rmutex_lock      (DBusRMutex       *mutex);
void         _dbus_platform_rmutex_unlock    (DBusRMutex       *mutex);

DBusCMutex  *_dbus_platform_cmutex_new       (void);
void         _dbus_platform_cmutex_free      (DBusCMutex       *mutex);
void         _dbus_platform_cmutex_lock      (DBusCMutex       *mutex);
void         _dbus_platform_cmutex_unlock    (DBusCMutex       *mutex);

DBusCondVar* _dbus_platform_condvar_new      (void);
void         _dbus_platform_condvar_free     (DBusCondVar       *cond);
void         _dbus_platform_condvar_wait     (DBusCondVar       *cond,
                                              DBusCMutex        *mutex);
dbus_bool_t  _dbus_platform_condvar_wait_timeout (DBusCondVar   *cond,
                                              DBusCMutex        *mutex,
                                              int                timeout_milliseconds);
void         _dbus_platform_condvar_wake_one (DBusCondVar       *cond);

DBUS_END_DECLS

#endif /* DBUS_THREADS_INTERNAL_H */