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/* $Id: fpm_events.h,v 1.9 2008/05/24 17:38:47 anight Exp $ */
/* (c) 2007,2008 Andrei Nigmatulin */
#ifndef FPM_EVENTS_H
#define FPM_EVENTS_H 1
#define FPM_EV_TIMEOUT (1 << 0)
#define FPM_EV_READ (1 << 1)
#define FPM_EV_PERSIST (1 << 2)
#define FPM_EV_EDGE (1 << 3)
#define fpm_event_set_timer(ev, flags, cb, arg) fpm_event_set((ev), -1, (flags), (cb), (arg))
struct fpm_event_s {
int fd; /* not set with FPM_EV_TIMEOUT */
struct timeval timeout; /* next time to trigger */
struct timeval frequency;
void (*callback)(struct fpm_event_s *, short, void *);
void *arg;
int flags;
int index; /* index of the fd in the ufds array */
short which; /* type of event */
};
typedef struct fpm_event_queue_s {
struct fpm_event_queue_s *prev;
struct fpm_event_queue_s *next;
struct fpm_event_s *ev;
} fpm_event_queue;
struct fpm_event_module_s {
const char *name;
int support_edge_trigger;
int (*init)(int max_fd);
int (*clean)(void);
int (*wait)(struct fpm_event_queue_s *queue, unsigned long int timeout);
int (*add)(struct fpm_event_s *ev);
int (*remove)(struct fpm_event_s *ev);
};
void fpm_event_loop(int err);
void fpm_event_fire(struct fpm_event_s *ev);
int fpm_event_init_main();
int fpm_event_set(struct fpm_event_s *ev, int fd, int flags, void (*callback)(struct fpm_event_s *, short, void *), void *arg);
int fpm_event_add(struct fpm_event_s *ev, unsigned long int timeout);
int fpm_event_del(struct fpm_event_s *ev);
int fpm_event_pre_init(char *machanism);
const char *fpm_event_machanism_name();
int fpm_event_support_edge_trigger();
#endif