ccan/io: add io_conn_exclusive and io_conn_out_exclusive.

[ccan] / ccan / io / backend.h

diff --git a/ccan/io/backend.h b/ccan/io/backend.h
index d877e44e1580cd66f8646b8abb414dc157abfb0a..714972d15ea4a3edfc6967ef22a00663c5f5eada 100644 (file)
--- a/ccan/io/backend.h
+++ b/ccan/io/backend.h
@@ -8,6 +8,8 @@
 struct fd {
        int fd;
        bool listener;
+       /* We could put these in io_plan, but they pack nicely here */
+       bool exclusive[2];
        size_t backend_info;
 };
 
@@ -76,6 +78,7 @@ void cleanup_conn_without_close(struct io_conn *c);
 bool backend_new_always(struct io_plan *plan);
 void backend_new_plan(struct io_conn *conn);
 void backend_plan_done(struct io_conn *conn);
+bool backend_set_exclusive(struct io_plan *plan, bool exclusive);
 
 void backend_wake(const void *wait);