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openairinterface5g/openair-cn/NAS/COMMON/UTIL/nas_timer.h
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/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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GNU General Public License for more details.
You should have received a copy of the GNU General Public License
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see <http://www.gnu.org/licenses/>.
Contact Information
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*******************************************************************************/
/*****************************************************************************
Source nas_timer.h
Version 0.1
Date 2012/11/22
Product NAS stack
Subsystem Utilities
Author Frederic Maurel
Description Timer utilities
*****************************************************************************/
#ifndef __NAS_TIMER_H__
#define __NAS_TIMER_H__
/****************************************************************************/
/********************* G L O B A L C O N S T A N T S *******************/
/****************************************************************************/
/*
* Timer identifier returned when in inactive state (timer is stopped or has
* failed to be started)
*/
#define NAS_TIMER_INACTIVE_ID (-1)
/****************************************************************************/
/************************ G L O B A L T Y P E S ************************/
/****************************************************************************/
/* Timer structure */
struct nas_timer_t {
int id; /* The timer identifier */
long sec; /* The timer interval value in seconds */
};
/* Type of the callback executed when the timer expired */
typedef void *(*nas_timer_callback_t)(void *);
/****************************************************************************/
/******************** G L O B A L V A R I A B L E S ********************/
/****************************************************************************/
/****************************************************************************/
/****************** E X P O R T E D F U N C T I O N S ******************/
/****************************************************************************/
int nas_timer_init(void);
int nas_timer_start(long sec, nas_timer_callback_t cb, void *args);
int nas_timer_stop(int id);
int nas_timer_restart(int id);
#if defined(NAS_BUILT_IN_EPC)
void nas_timer_handle_signal_expiry(long timer_id, void *arg_p);
#endif
#endif /* __NAS_TIMER_H__ */