X-Git-Url: http://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Fio%2Fio.h;h=e24beec4666a37284b72f545c735989119381ce5;hb=5877402640cff05f779b23a730e4cc62d729113f;hp=ac5a6b077a4b578e776b2a7ac2fa2348c000b530;hpb=36bfb66bdf74f4f3382cd00dae7b899e80e2cf1a;p=ccan

diff --git a/ccan/io/io.h b/ccan/io/io.h
index ac5a6b07..e24beec4 100644
--- a/ccan/io/io.h
+++ b/ccan/io/io.h
@@ -47,7 +47,8 @@ struct io_conn;
  *	int fd[2];
  *	struct io_conn *conn;
  *
- *	pipe(fd);
+ *	if (pipe(fd) != 0)
+ *		exit(1);
  *	conn = io_new_conn(NULL, fd[0], conn_init, (const char *)"hi!");
  *	if (!conn)
  *		exit(1);
@@ -649,6 +650,16 @@ void *io_loop(struct timers *timers, struct timer **expired);
  */
 int io_conn_fd(const struct io_conn *conn);
 
+/**
+ * io_time_override - override the normal call for time.
+ * @nowfn: the function to call.
+ *
+ * io usually uses time_mono() internally, but this forces it
+ * to use your function (eg. for debugging).  Returns the old
+ * one.
+ */
+struct timemono (*io_time_override(struct timemono (*now)(void)))(void);
+
 /**
  * io_set_debug - set synchronous mode on a connection.
  * @conn: the connection.