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/* -*- mode: C; c-file-style: "gnu" -*- */
/* dbus-gthread.c GThread integration
*
* Copyright (C) 2002 CodeFactory AB
*
* 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
*
*/
/* #define G_DEBUG_LOCKS 1 */
#include <glib.h>
#include <dbus/dbus.h>
#include <dbus/dbus-glib.h>
#include <dbus/dbus-glib-lowlevel.h>
/** @addtogroup DBusGLibInternals
* @{
*/
static DBusMutex * dbus_gmutex_new (void);
static void dbus_gmutex_free (DBusMutex *mutex);
static dbus_bool_t dbus_gmutex_lock (DBusMutex *mutex);
static dbus_bool_t dbus_gmutex_unlock (DBusMutex *mutex);
static DBusCondVar* dbus_gcondvar_new (void);
static void dbus_gcondvar_free (DBusCondVar *cond);
static void dbus_gcondvar_wait (DBusCondVar *cond,
DBusMutex *mutex);
static dbus_bool_t dbus_gcondvar_wait_timeout (DBusCondVar *cond,
DBusMutex *mutex,
int timeout_msec);
static void dbus_gcondvar_wake_one (DBusCondVar *cond);
static void dbus_gcondvar_wake_all (DBusCondVar *cond);
static const DBusThreadFunctions functions =
{
DBUS_THREAD_FUNCTIONS_MUTEX_NEW_MASK |
DBUS_THREAD_FUNCTIONS_MUTEX_FREE_MASK |
DBUS_THREAD_FUNCTIONS_MUTEX_LOCK_MASK |
DBUS_THREAD_FUNCTIONS_MUTEX_UNLOCK_MASK |
DBUS_THREAD_FUNCTIONS_CONDVAR_NEW_MASK |
DBUS_THREAD_FUNCTIONS_CONDVAR_FREE_MASK |
DBUS_THREAD_FUNCTIONS_CONDVAR_WAIT_MASK |
DBUS_THREAD_FUNCTIONS_CONDVAR_WAIT_TIMEOUT_MASK |
DBUS_THREAD_FUNCTIONS_CONDVAR_WAKE_ONE_MASK|
DBUS_THREAD_FUNCTIONS_CONDVAR_WAKE_ALL_MASK,
dbus_gmutex_new,
dbus_gmutex_free,
dbus_gmutex_lock,
dbus_gmutex_unlock,
dbus_gcondvar_new,
dbus_gcondvar_free,
dbus_gcondvar_wait,
dbus_gcondvar_wait_timeout,
dbus_gcondvar_wake_one,
dbus_gcondvar_wake_all
};
static DBusMutex *
dbus_gmutex_new (void)
{
GMutex *mutex;
mutex = g_mutex_new ();
return (DBusMutex *)mutex;
}
static void
dbus_gmutex_free (DBusMutex *mutex)
{
g_mutex_free ((GMutex *)mutex);
}
static dbus_bool_t
dbus_gmutex_lock (DBusMutex *mutex)
{
g_mutex_lock ((GMutex *)mutex);
return TRUE;
}
static dbus_bool_t
dbus_gmutex_unlock (DBusMutex *mutex)
{
g_mutex_unlock ((GMutex *)mutex);
return TRUE;
}
static DBusCondVar*
dbus_gcondvar_new (void)
{
return (DBusCondVar*)g_cond_new ();
}
static void
dbus_gcondvar_free (DBusCondVar *cond)
{
g_cond_free ((GCond *)cond);
}
static void
dbus_gcondvar_wait (DBusCondVar *cond,
DBusMutex *mutex)
{
g_cond_wait ((GCond *)cond, (GMutex *)mutex);
}
static dbus_bool_t
dbus_gcondvar_wait_timeout (DBusCondVar *cond,
DBusMutex *mutex,
int timeout_msec)
{
GTimeVal now;
g_get_current_time (&now);
now.tv_sec += timeout_msec / 1000;
now.tv_usec += (timeout_msec % 1000) * 1000;
if (now.tv_usec > G_USEC_PER_SEC)
{
now.tv_sec += 1;
now.tv_usec -= G_USEC_PER_SEC;
}
return g_cond_timed_wait ((GCond *)cond, (GMutex *)mutex, &now);
}
static void
dbus_gcondvar_wake_one (DBusCondVar *cond)
{
g_cond_signal ((GCond *)cond);
}
static void
dbus_gcondvar_wake_all (DBusCondVar *cond)
{
g_cond_broadcast ((GCond *)cond);
}
/** @} End of internals */
/** @addtogroup DBusGLib
* @{
*/
/**
* Initializes the D-BUS thread system to use
* GLib threads. This function may only be called
* once and must be called prior to calling any
* other function in the D-BUS API.
*/
void
dbus_g_thread_init (void)
{
if (!g_thread_supported ())
g_error ("g_thread_init() must be called before dbus_threads_init()");
dbus_threads_init (&functions);
}
/** @} end of public API */
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