tree cc02d52019b6c50b5435a362e02a99628658ed6c
parent d907cd88312862f0577833c73c13e1b3bd51b090
author asedeno <asedeno@google.com> 1683565213 -0700
committer Copybara-Service <copybara-worker@google.com> 1683565276 -0700

masque_utils: open tun_fd with O_NONBLOCK

This lets the infinite loops that read() these file descriptors
actually break when there's nothing to read, allowing the rest of the
masque server and client to run and move packets.

PiperOrigin-RevId: 530332710