From b30b4260255702345eab1ac076bb00869057c16b Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Mon, 18 Jun 2012 15:45:01 +0200 Subject: libudev: clarify that udev_monitor_receive_device() is non-blocking Based on a patch from: Sam Thursfield https://bugs.freedesktop.org/show_bug.cgi?id=51202 --- src/libudev/libudev-monitor.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src/libudev') diff --git a/src/libudev/libudev-monitor.c b/src/libudev/libudev-monitor.c index 32319aca7b..2ad9e1c3ad 100644 --- a/src/libudev/libudev-monitor.c +++ b/src/libudev/libudev-monitor.c @@ -494,6 +494,11 @@ tag: * * Only socket connections with uid=0 are accepted. * + * The monitor socket is by default set to NONBLOCK. A variant of poll() on + * the file descriptor returned by udev_monitor_get_fd() should to be used to + * wake up when new devices arrive, or alternatively the file descriptor + * switched into blocking mode. + * * The initial refcount is 1, and needs to be decremented to * release the resources of the udev device. * -- cgit v1.2.3-54-g00ecf