io: io_close_other()

[ccan] / ccan / io / io.c

diff --git a/ccan/io/io.c b/ccan/io/io.c
index a58b3f01a71f7526dba3f4e69fb987d8ebaea703..faf8b87bfd649b7244e8ee01087651d1039dbbf5 100644 (file)
--- a/ccan/io/io.c
+++ b/ccan/io/io.c
@@ -435,6 +435,10 @@ void io_wake_(struct io_conn *conn, struct io_plan plan)
 
 void io_ready(struct io_conn *conn)
 {
+       /* Beware io_close_other! */
+       if (!conn->plan.next)
+               return;
+
        set_current(conn);
        switch (conn->plan.io(conn->fd.fd, &conn->plan)) {
        case -1: /* Failure means a new plan: close up. */
@@ -474,6 +478,12 @@ struct io_plan io_close_cb(struct io_conn *conn, void *arg)
        return io_close();
 }
 
+void io_close_other(struct io_conn *conn)
+{
+       conn->plan = io_close_();
+       backend_plan_changed(conn);
+}
+
 /* Exit the loop, returning this (non-NULL) arg. */
 struct io_plan io_break_(void *ret, struct io_plan plan)
 {