X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fio%2Fio.h;h=68dd56876333293989411ccbb7206acf6001e766;hp=9316dd180a9895adc2f60fdb6cdaeff6d77deb4a;hb=0ce52c7ca42c2b3a6458cac348f5a8b96d7f1b62;hpb=6e86fffc5e5780c209f52986be4f150b16b96d29

diff --git a/ccan/io/io.h b/ccan/io/io.h
index 9316dd18..68dd5687 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);