event_machine_error.c

/*
 *   Copyright (c) 2015-2023, Nokia Solutions and Networks
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the copyright holder nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
 
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
 
#include <odp_api.h>
 
#include <event_machine.h>
 
#include "em_error.h"
#include "em_mem.h"
 
em_status_t
em_register_error_handler(em_error_handler_t handler)
{
        RETURN_ERROR_IF(!em_shm->error_handler.initialized,
                        EM_ERR_NOT_INITIALIZED, EM_ESCOPE_REGISTER_ERROR_HANDLER,
                        "Error Handling not initialized!");
 
        odp_ticketlock_lock(&em_shm->error_handler.lock);
 
        em_shm->error_handler.em_error_handler = handler;
 
        odp_ticketlock_unlock(&em_shm->error_handler.lock);
 
        return EM_OK;
}
 
em_status_t
em_unregister_error_handler(void)
{
        RETURN_ERROR_IF(!em_shm->error_handler.initialized,
                        EM_ERR_NOT_INITIALIZED, EM_ESCOPE_UNREGISTER_ERROR_HANDLER,
                        "Error Handling not initialized!");
 
        odp_ticketlock_lock(&em_shm->error_handler.lock);
 
        em_shm->error_handler.em_error_handler = default_error_handler;
 
        odp_ticketlock_unlock(&em_shm->error_handler.lock);
 
        return EM_OK;
}
 
void
em_error(em_status_t error, em_escope_t escope, ...)
{
        va_list args_list;
 
        va_start(args_list, escope);
 
        select_error_handler(error, escope, args_list);
 
        va_end(args_list);
}