events.h

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#pragma once
 
#ifdef __cplusplus
extern "C" { // only need to export C interface if
             // used by C++ source code
#endif
 
#include <stdint.h>
 
typedef struct event_system event_system;
typedef struct rasta rasta;
 
// event callback pointer, return 0 to keep the loop running, everything else stops the loop
typedef int (*event_ptr)(void *h, int fd);
 
#define EV_READABLE (1 << 0)
#define EV_WRITABLE (1 << 1)
#define EV_EXCEPTIONAL (1 << 2)
 
typedef struct timed_event {
    event_ptr callback;
    void *carry_data;
    struct timed_event *prev;
    struct timed_event *next;
    uint64_t interval;
    uint64_t last_call;
    char enabled;
} timed_event;
 
typedef struct fd_event {
    event_ptr callback;
    void *carry_data;
    struct fd_event *prev;
    struct fd_event *next;
    int fd;
    int options;
    char enabled;
} fd_event;
 
void enable_timed_event(timed_event *event);
 
void enable_fd_event(fd_event *event);
 
void disable_timed_event(timed_event *event);
 
void disable_fd_event(fd_event *event);
 
void add_timed_event(event_system *ev_sys, timed_event *event);
 
void remove_timed_event(event_system *ev_sys, timed_event *event);
 
void add_fd_event(event_system *ev_sys, fd_event *event, int options);
 
void rasta_add_fd_event(rasta *h, fd_event *event, int options);
 
void remove_fd_event(event_system *ev_sys, fd_event *event);
 
void rasta_remove_fd_event(rasta *h, fd_event *event);
 
#ifdef __cplusplus
}
#endif