ccan/io: save errno on io_close, for finish functions.

[ccan] / ccan / io / test / run-18-errno-DEBUG.c

diff --git a/ccan/io/test/run-18-errno-DEBUG.c b/ccan/io/test/run-18-errno-DEBUG.c
new file mode 100644 (file)
index 0000000..bfa6615
--- /dev/null
+++ b/ccan/io/test/run-18-errno-DEBUG.c
@@ -0,0 +1,8 @@
+#define DEBUG
+#define PORT "64018"
+#define main real_main
+int real_main(void);
+#include "run-18-errno.c"
+#undef main
+static bool always_debug(struct io_conn *conn) { return true; }
+int main(void) { io_debug = always_debug; return real_main(); }