X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/9a41f8d3877bc717e3eec330637122c390dc4240..e436e0602b66c82acf0741ced8f9a19bd2060e70:/unix/uxser.c

diff --git a/unix/uxser.c b/unix/uxser.c
index d6471084..92961a7d 100644
--- a/unix/uxser.c
+++ b/unix/uxser.c
@@ -214,7 +214,16 @@ static const char *serial_configure(Serial serial, Config *cfg)
 #ifdef ONLCR
 			 | ONLCR
 #endif
-			 | OCRNL | ONOCR | ONLRET);
+#ifdef OCRNL
+			 | OCRNL
+#endif
+#ifdef ONOCR
+			 | ONOCR
+#endif
+#ifdef ONLRET
+			 | ONLRET
+#endif
+			 );
     options.c_cc[VMIN] = 1;
     options.c_cc[VTIME] = 0;
 
@@ -257,6 +266,8 @@ static const char *serial_init(void *frontend_handle, void **backend_handle,
     if (serial->fd < 0)
 	return "Unable to open serial port";
 
+    cloexec(serial->fd);
+
     err = serial_configure(serial, cfg);
     if (err)
 	return err;
@@ -525,5 +536,7 @@ Backend serial_backend = {
     serial_provide_logctx,
     serial_unthrottle,
     serial_cfg_info,
-    1
+    "serial",
+    PROT_SERIAL,
+    0
 };