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