1 2 /* $Id: fpm_events.h,v 1.9 2008/05/24 17:38:47 anight Exp $ */ 3 /* (c) 2007,2008 Andrei Nigmatulin */ 4 5 #ifndef FPM_EVENTS_H 6 #define FPM_EVENTS_H 1 7 8 #define FPM_EV_TIMEOUT (1 << 0) 9 #define FPM_EV_READ (1 << 1) 10 #define FPM_EV_PERSIST (1 << 2) 11 #define FPM_EV_EDGE (1 << 3) 12 13 #define fpm_event_set_timer(ev, flags, cb, arg) fpm_event_set((ev), -1, (flags), (cb), (arg)) 14 15 struct fpm_event_s { 16 int fd; /* not set with FPM_EV_TIMEOUT */ 17 struct timeval timeout; /* next time to trigger */ 18 struct timeval frequency; 19 void (*callback)(struct fpm_event_s *, short, void *); 20 void *arg; 21 int flags; 22 int index; /* index of the fd in the ufds array */ 23 short which; /* type of event */ 24 }; 25 26 typedef struct fpm_event_queue_s { 27 struct fpm_event_queue_s *prev; 28 struct fpm_event_queue_s *next; 29 struct fpm_event_s *ev; 30 } fpm_event_queue; 31 32 struct fpm_event_module_s { 33 const char *name; 34 int support_edge_trigger; 35 int (*init)(int max_fd); 36 int (*clean)(void); 37 int (*wait)(struct fpm_event_queue_s *queue, unsigned long int timeout); 38 int (*add)(struct fpm_event_s *ev); 39 int (*remove)(struct fpm_event_s *ev); 40 }; 41 42 void fpm_event_loop(int err); 43 void fpm_event_fire(struct fpm_event_s *ev); 44 int fpm_event_init_main(); 45 int fpm_event_set(struct fpm_event_s *ev, int fd, int flags, void (*callback)(struct fpm_event_s *, short, void *), void *arg); 46 int fpm_event_add(struct fpm_event_s *ev, unsigned long int timeout); 47 int fpm_event_del(struct fpm_event_s *ev); 48 int fpm_event_pre_init(char *machanism); 49 const char *fpm_event_machanism_name(); 50 int fpm_event_support_edge_trigger(); 51 52 #endif 53
