#define CCAN_IO_BACKEND_H
#include <stdbool.h>
#include <ccan/timer/timer.h>
+#include <poll.h>
+
+/* 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;
struct fd {
int fd;
bool add_duplex(struct io_conn *c);
void del_listener(struct io_listener *l);
void backend_plan_changed(struct io_conn *conn);
+void backend_wait_changed(const void *wait);
void backend_add_timeout(struct io_conn *conn, struct timespec ts);
void backend_del_timeout(struct io_conn *conn);
void backend_del_conn(struct io_conn *conn);