X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/putty/blobdiff_plain/9a41f8d3877bc717e3eec330637122c390dc4240..bb7328d0c61c6e779a6cf33b48c04511334fef9c:/unix/uxser.c

diff --git a/unix/uxser.c b/unix/uxser.c
index d6471084..454d7b36 100644
--- a/unix/uxser.c
+++ b/unix/uxser.c
@@ -257,6 +257,8 @@ 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;