X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fio%2Fbackend.h;h=e2090ff14068ebe0a34317941bb8efc6f7cb9a0a;hp=df168d9f2b696202265de7bec1c96f35e1b65bca;hb=12ab811533406e22b78ce8b227474f1056375ae4;hpb=9e02685a6216720d37848a332187e3745b7f981e

diff --git a/ccan/io/backend.h b/ccan/io/backend.h
index df168d9f..e2090ff1 100644
--- a/ccan/io/backend.h
+++ b/ccan/io/backend.h
@@ -3,6 +3,17 @@
 #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;
@@ -53,14 +64,22 @@ 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 != NULL;
+	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;
@@ -74,6 +93,8 @@ 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_del_conn(struct io_conn *conn);
 
 void io_ready(struct io_conn *conn);
+void *do_io_loop(struct io_conn **ready);
 #endif /* CCAN_IO_BACKEND_H */