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/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-threads.h D-BUS threads handling
*
* Copyright (C) 2002 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#if !defined (DBUS_INSIDE_DBUS_H) && !defined (DBUS_COMPILATION)
#error "Only <dbus/dbus.h> can be included directly, this file may disappear or change contents."
#endif
#ifndef DBUS_THREADS_H
#define DBUS_THREADS_H
#include <dbus/dbus-macros.h>
#include <dbus/dbus-types.h>
DBUS_BEGIN_DECLS;
typedef struct DBusMutex DBusMutex;
typedef struct DBusCondVar DBusCondVar;
typedef DBusMutex* (* DBusMutexNewFunction) (void);
typedef void (* DBusMutexFreeFunction) (DBusMutex *mutex);
typedef dbus_bool_t (* DBusMutexLockFunction) (DBusMutex *mutex);
typedef dbus_bool_t (* DBusMutexUnlockFunction) (DBusMutex *mutex);
typedef DBusCondVar* (* DBusCondVarNewFunction) (void);
typedef void (* DBusCondVarFreeFunction) (DBusCondVar *cond);
typedef void (* DBusCondVarWaitFunction) (DBusCondVar *cond,
DBusMutex *mutex);
typedef dbus_bool_t (* DBusCondVarWaitTimeoutFunction) (DBusCondVar *cond,
DBusMutex *mutex,
int timeout_milliseconds);
typedef void (* DBusCondVarWakeOneFunction) (DBusCondVar *cond);
typedef void (* DBusCondVarWakeAllFunction) (DBusCondVar *cond);
typedef enum
{
DBUS_THREAD_FUNCTIONS_MUTEX_NEW_MASK = 1 << 0,
DBUS_THREAD_FUNCTIONS_MUTEX_FREE_MASK = 1 << 1,
DBUS_THREAD_FUNCTIONS_MUTEX_LOCK_MASK = 1 << 2,
DBUS_THREAD_FUNCTIONS_MUTEX_UNLOCK_MASK = 1 << 3,
DBUS_THREAD_FUNCTIONS_CONDVAR_NEW_MASK = 1 << 4,
DBUS_THREAD_FUNCTIONS_CONDVAR_FREE_MASK = 1 << 5,
DBUS_THREAD_FUNCTIONS_CONDVAR_WAIT_MASK = 1 << 6,
DBUS_THREAD_FUNCTIONS_CONDVAR_WAIT_TIMEOUT_MASK = 1 << 7,
DBUS_THREAD_FUNCTIONS_CONDVAR_WAKE_ONE_MASK = 1 << 8,
DBUS_THREAD_FUNCTIONS_CONDVAR_WAKE_ALL_MASK = 1 << 9,
DBUS_THREAD_FUNCTIONS_ALL_MASK = (1 << 10) - 1
} DBusThreadFunctionsMask;
/**
* Functions that must be implemented to make the D-BUS
* library thread-aware.
*/
typedef struct
{
unsigned int mask; /**< Mask indicating which functions are present. */
DBusMutexNewFunction mutex_new; /**< Function to create a mutex */
DBusMutexFreeFunction mutex_free; /**< Function to free a mutex */
DBusMutexLockFunction mutex_lock; /**< Function to lock a mutex */
DBusMutexUnlockFunction mutex_unlock; /**< Function to unlock a mutex */
DBusCondVarNewFunction condvar_new; /**< Function to create a condition variable */
DBusCondVarFreeFunction condvar_free; /**< Function to free a condition variable */
DBusCondVarWaitFunction condvar_wait; /**< Function to wait on a condition */
DBusCondVarWaitTimeoutFunction condvar_wait_timeout; /**< Function to wait on a condition with a timeout */
DBusCondVarWakeOneFunction condvar_wake_one; /**< Function to wake one thread waiting on the condition */
DBusCondVarWakeAllFunction condvar_wake_all; /**< Function to wake all threads waiting on the condition */
void (* padding1) (void); /**< Reserved for future expansion */
void (* padding2) (void); /**< Reserved for future expansion */
void (* padding3) (void); /**< Reserved for future expansion */
void (* padding4) (void); /**< Reserved for future expansion */
void (* padding5) (void); /**< Reserved for future expansion */
void (* padding6) (void); /**< Reserved for future expansion */
void (* padding7) (void); /**< Reserved for future expansion */
void (* padding8) (void); /**< Reserved for future expansion */
} DBusThreadFunctions;
DBusMutex* dbus_mutex_new (void);
void dbus_mutex_free (DBusMutex *mutex);
dbus_bool_t dbus_mutex_lock (DBusMutex *mutex);
dbus_bool_t dbus_mutex_unlock (DBusMutex *mutex);
DBusCondVar* dbus_condvar_new (void);
void dbus_condvar_free (DBusCondVar *cond);
void dbus_condvar_wait (DBusCondVar *cond,
DBusMutex *mutex);
dbus_bool_t dbus_condvar_wait_timeout (DBusCondVar *cond,
DBusMutex *mutex,
int timeout_milliseconds);
void dbus_condvar_wake_one (DBusCondVar *cond);
void dbus_condvar_wake_all (DBusCondVar *cond);
dbus_bool_t dbus_threads_init (const DBusThreadFunctions *functions);
DBUS_END_DECLS;
#endif /* DBUS_THREADS_H */
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