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