agt_db_lock.h

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/*
 * Copyright (c) 2019 - 2021, YumaWorks, Inc., All Rights Reserved.
 *
 * 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.
 */
#ifdef WITH_YCONTROL
#ifndef _H_agt_db_lock
#define _H_agt_db_lock
 
/*  FILE: agt_db_lock.h
*********************************************************************
*                                   *
*            P U R P O S E                  *
*                                   *
*********************************************************************/
 
/*********************************************************************
*                                   *
*          C H A N G E   H I S T O R Y              *
*                                   *
*********************************************************************
 
date         init     comment
----------------------------------------------------------------------
29-jan-19    abb      Begun
*/
 
#include <xmlstring.h>
 
#ifndef _H_agt_cfg
#include "agt_cfg.h"
#endif
 
#ifndef _H_status_enum
#include "status_enum.h"
#endif
 
#ifndef _H_val
#include "val.h"
#endif
 
#ifndef _H_ycontrol
#include "ycontrol.h"
#endif
 
 
#ifdef __cplusplus
extern "C" {
#endif
 
/********************************************************************
*                                   *
*            C O N S T A N T S              *
*                                   *
*********************************************************************/
 
/********************************************************************
*                                   *
*                T Y P E S                  *
*                                   *
*********************************************************************/
 
 
/********************************************************************
*                                   *
*           F U N C T I O N S               *
*                                   *
*********************************************************************/
 
/* header in agt_db_api.h */
 
 
extern status_t
    agt_db_lock_init (void);
 
 
extern void
    agt_db_lock_cleanup (void);
 
 
extern status_t
    agt_db_lock_set_owner (const xmlChar *subsys_id,
                           int subsys_fd);
 
 
extern boolean
    agt_db_lock_needed (void);
 
 
extern status_t
    agt_db_lock_request (agt_cfg_transaction_t *txcb);
 
 
extern status_t
    agt_db_lock_release (void);
 
 
extern status_t
    agt_db_lock_handle_response (uint32 msgid,
                                 const xmlChar *subsys_id,
                                 ycontrol_msgbody_t msgbody_type,
                                 val_value_t *msgbody);
 
 
extern void
    agt_db_lock_subsys_gone (const xmlChar *subsys_id);
 
 
extern boolean
    agt_db_lock_init_waiting (void);
 
 
#ifdef __cplusplus
}  /* end extern 'C' */
#endif
 
#endif      /* _H_agt_db_lock */
#endif   // WITH_YCONTROL