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