Add a comment on nonblocking stdin

4 years ago · 5fa57ede8b
1 changed files with 1 additions and 0 deletions
--- a/watch.py
+++ b/watch.py
@ -151,6 +151,7 @@ def watch(session, fsdev):

    signal.signal(signal.SIGTERM, kill_handler)

+    # Make stdin nonblocking to continue working when no command is sent
    flags = fcntl.fcntl(sys.stdin, fcntl.F_GETFL)
    fcntl.fcntl(sys.stdin, fcntl.F_SETFL, flags | os.O_NONBLOCK)