124 lines
3.2 KiB
C
124 lines
3.2 KiB
C
/*
|
|
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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
xrdp: A Remote Desktop Protocol server.
|
|
Copyright (C) Jay Sorg 2005-2008
|
|
|
|
session manager
|
|
linux only
|
|
|
|
*/
|
|
|
|
#include "sesman.h"
|
|
|
|
extern struct config_sesman* g_cfg;
|
|
|
|
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(&(g_cfg->log), "lock_chain_acquire()");
|
|
tc_mutex_lock(g_lock_chain);
|
|
}
|
|
|
|
/******************************************************************************/
|
|
void APP_CC
|
|
lock_chain_release(void)
|
|
{
|
|
/* unlock the chain */
|
|
LOG_DBG(&(g_cfg->log), "lock_chain_release()");
|
|
tc_mutex_unlock(g_lock_chain);
|
|
}
|
|
|
|
/******************************************************************************/
|
|
void APP_CC
|
|
lock_socket_acquire(void)
|
|
{
|
|
/* lock socket variable */
|
|
LOG_DBG(&(g_cfg->log), "lock_socket_acquire()");
|
|
tc_sem_dec(g_lock_socket);
|
|
}
|
|
|
|
/******************************************************************************/
|
|
void APP_CC
|
|
lock_socket_release(void)
|
|
{
|
|
/* unlock socket variable */
|
|
LOG_DBG(&(g_cfg->log), "lock_socket_release()");
|
|
tc_sem_inc(g_lock_socket);
|
|
}
|
|
|
|
/******************************************************************************/
|
|
void APP_CC
|
|
lock_sync_acquire(void)
|
|
{
|
|
/* lock sync variable */
|
|
LOG_DBG(&(g_cfg->log), "lock_sync_acquire()");
|
|
tc_mutex_lock(g_sync_mutex);
|
|
}
|
|
|
|
/******************************************************************************/
|
|
void APP_CC
|
|
lock_sync_release(void)
|
|
{
|
|
/* unlock socket variable */
|
|
LOG_DBG(&(g_cfg->log), "lock_sync_release()");
|
|
tc_mutex_unlock(g_sync_mutex);
|
|
}
|
|
|
|
/******************************************************************************/
|
|
void APP_CC
|
|
lock_sync_sem_acquire(void)
|
|
{
|
|
/* dec sem */
|
|
LOG_DBG(&(g_cfg->log), "lock_sync_sem_acquire()");
|
|
tc_sem_dec(g_sync_sem);
|
|
}
|
|
|
|
/******************************************************************************/
|
|
void APP_CC
|
|
lock_sync_sem_release(void)
|
|
{
|
|
/* inc sem */
|
|
LOG_DBG(&(g_cfg->log), "lock_sync_sem_release()");
|
|
tc_sem_inc(g_sync_sem);
|
|
}
|