timer.h

#ifndef _CRTX_TIMER_H
#define _CRTX_TIMER_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
 * Mario Kicherer (dev@kicherer.org) 2016
 *
 */
 
#include "core.h"
 
#define CRTX_EVT_TIMER "cortex.timer"
 
// for settime_flags
// #include <sys/timerfd.h>
 
struct crtx_timer_listener {
    struct crtx_listener_base base;
    
    int fd;
    crtx_handle_task_t direct_callback;
    void *direct_userdata;
    
    int clockid;
    struct itimerspec newtimer;
    int settime_flags;
};
 
struct crtx_timer_oneshot {
    struct crtx_timer_listener tlstnr;
    
    void (*oneshot_callback)(void *data);
    void *oneshot_data;
};
 
struct crtx_timer_retry_listener {
    struct crtx_timer_listener timer_lstnr;
    
    struct crtx_listener_base *lstnr;
    
    unsigned int seconds;
};
 
struct crtx_timer_retry_listener *crtx_timer_retry_listener(struct crtx_listener_base *lstnr, unsigned int seconds);
void crtx_timer_retry_listener_free(struct crtx_timer_retry_listener *retry_lstnr);
int crtx_timer_get_listener(struct crtx_timer_listener *tlist,
                            time_t offset_sec,
                            long offset_nsec,
                            time_t int_sec,
                            long int_nsec
                        );
 
int crtx_timer_rearm(struct crtx_timer_listener *tlist,
                     time_t offset_sec,
                     long offset_nsec,
                     time_t int_sec,
                     long int_nsec);
int crtx_timer_oneshot(time_t offset_sec,
                       long offset_nsec,
                       int clockid,
                       void (*callback)(void *),
                       void *callback_userdata
                    );
int crtx_timer_retry_listener_os(struct crtx_listener_base *lstnr, unsigned int seconds, unsigned long nanoseconds);
 
struct crtx_listener_base *crtx_setup_timer_listener(void *options);
CRTX_DECLARE_ALLOC_FUNCTION(timer)
 
void crtx_timer_init();
void crtx_timer_finish();
 
#ifdef __cplusplus
}
#endif
 
#endif