Set FD_CLOEXEC in a little convenience function that does the right thing

[sgt/putty] / unix / uxser.c

diff --git a/unix/uxser.c b/unix/uxser.c
index 08f2157..454d7b3 100644 (file)
--- a/unix/uxser.c
+++ b/unix/uxser.c
@@ -257,7 +257,7 @@ static const char *serial_init(void *frontend_handle, void **backend_handle,
     if (serial->fd < 0)
        return "Unable to open serial port";
 
-    fcntl(serial->fd, F_SETFD, FD_CLOEXEC);
+    cloexec(serial->fd);
 
     err = serial_configure(serial, cfg);
     if (err)