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/**
* xrdp: A Remote Desktop Protocol server.
*
* Copyright (C) Jay Sorg 2004-2012
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* session manager
* linux only
*/
#include "sesman.h"
extern struct config_sesman *g_cfg; /* in sesman.c */
static tbus g_sync_mutex = 0;
static tbus g_lock_chain = 0;
static tbus g_sync_sem = 0;
static tbus g_lock_socket = 0;
/******************************************************************************/
void APP_CC
lock_init(void)
{
g_sync_mutex = tc_mutex_create();
g_lock_chain = tc_mutex_create();
g_sync_sem = tc_sem_create(0);
g_lock_socket = tc_sem_create(1);
}
/******************************************************************************/
void APP_CC
lock_deinit(void)
{
tc_mutex_delete(g_sync_mutex);
tc_mutex_delete(g_lock_chain);
tc_sem_delete(g_sync_sem);
tc_sem_delete(g_lock_socket);
}
/******************************************************************************/
void APP_CC
lock_chain_acquire(void)
{
/* lock the chain */
LOG_DBG("lock_chain_acquire()");
tc_mutex_lock(g_lock_chain);
}
/******************************************************************************/
void APP_CC
lock_chain_release(void)
{
/* unlock the chain */
LOG_DBG("lock_chain_release()");
tc_mutex_unlock(g_lock_chain);
}
/******************************************************************************/
void APP_CC
lock_socket_acquire(void)
{
/* lock socket variable */
LOG_DBG("lock_socket_acquire()");
tc_sem_dec(g_lock_socket);
}
/******************************************************************************/
void APP_CC
lock_socket_release(void)
{
/* unlock socket variable */
LOG_DBG("lock_socket_release()");
tc_sem_inc(g_lock_socket);
}
/******************************************************************************/
void APP_CC
lock_sync_acquire(void)
{
/* lock sync variable */
LOG_DBG("lock_sync_acquire()");
tc_mutex_lock(g_sync_mutex);
}
/******************************************************************************/
void APP_CC
lock_sync_release(void)
{
/* unlock socket variable */
LOG_DBG("lock_sync_release()");
tc_mutex_unlock(g_sync_mutex);
}
/******************************************************************************/
void APP_CC
lock_sync_sem_acquire(void)
{
/* dec sem */
LOG_DBG("lock_sync_sem_acquire()");
tc_sem_dec(g_sync_sem);
}
/******************************************************************************/
void APP_CC
lock_sync_sem_release(void)
{
/* inc sem */
LOG_DBG("lock_sync_sem_release()");
tc_sem_inc(g_sync_sem);
}
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