X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fio%2Fbackend.h;h=44e64ab165583765cea22a5e08a374eaf5c7dfdc;hp=e2090ff14068ebe0a34317941bb8efc6f7cb9a0a;hb=cdffdf5d61f8330cfc3467e73a84876eb3928e9b;hpb=12ab811533406e22b78ce8b227474f1056375ae4 diff --git a/ccan/io/backend.h b/ccan/io/backend.h index e2090ff1..44e64ab1 100644 --- a/ccan/io/backend.h +++ b/ccan/io/backend.h @@ -2,18 +2,8 @@ #ifndef CCAN_IO_BACKEND_H #define CCAN_IO_BACKEND_H #include -#include #include - -/* A setting for actions to always run (eg. zero-length reads). */ -#define POLLALWAYS (((POLLIN|POLLOUT) + 1) & ~((POLLIN|POLLOUT))) - -struct io_alloc { - void *(*alloc)(size_t size); - void *(*realloc)(void *ptr, size_t size); - void (*free)(void *ptr); -}; -extern struct io_alloc io_alloc; +#include "io_plan.h" struct fd { int fd; @@ -25,76 +15,43 @@ struct fd { struct io_listener { struct fd fd; + const tal_t *ctx; + /* These are for connections we create. */ - void (*init)(int fd, void *arg); + struct io_plan *(*init)(struct io_conn *conn, void *arg); void *arg; }; -struct io_timeout { - struct timer timer; - struct io_conn *conn; - - struct io_plan (*next)(struct io_conn *, void *arg); - void *next_arg; -}; - /* One connection per client. */ struct io_conn { struct fd fd; + /* always or closing list. */ + struct io_conn *list; + void (*finish)(struct io_conn *, void *arg); void *finish_arg; - struct io_conn *duplex; - struct io_timeout *timeout; - - struct io_plan plan; + struct io_plan plan[2]; }; -static inline bool timeout_active(const struct io_conn *conn) -{ - return conn->timeout && conn->timeout->conn; -} - extern void *io_loop_return; -#ifdef DEBUG -extern struct io_conn *current; -static inline void set_current(struct io_conn *conn) -{ - current = conn; -} -static inline bool doing_debug_on(struct io_conn *conn) -{ - return io_debug_conn && io_debug_conn(conn); -} -static inline bool doing_debug(void) -{ - return io_debug_conn; -} -#else -static inline void set_current(struct io_conn *conn) -{ -} -static inline bool doing_debug_on(struct io_conn *conn) -{ - return false; -} -static inline bool doing_debug(void) -{ - return false; -} -#endif - bool add_listener(struct io_listener *l); bool add_conn(struct io_conn *c); bool add_duplex(struct io_conn *c); void del_listener(struct io_listener *l); -void backend_plan_changed(struct io_conn *conn); -void backend_add_timeout(struct io_conn *conn, struct timespec ts); -void backend_del_timeout(struct io_conn *conn); +void backend_new_closing(struct io_conn *conn); +void backend_new_always(struct io_conn *conn); +void backend_new_plan(struct io_conn *conn); + +void backend_plan_done(struct io_conn *conn); + +void backend_wake(const void *wait); void backend_del_conn(struct io_conn *conn); -void io_ready(struct io_conn *conn); +void io_ready(struct io_conn *conn, int pollflags); +void io_do_always(struct io_conn *conn); +void io_do_wakeup(struct io_conn *conn, struct io_plan *plan); void *do_io_loop(struct io_conn **ready); #endif /* CCAN_IO_BACKEND_H */