mirror of https://github.com/neutrinolabs/xrdp
122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
/**
|
|
* 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);
|
|
}
|