Hello mkt, I tried to poll for changes of /proc/mounts via select(). This does not work as expected. I found more inforamtion on stackoverflow. http://stackoverflow.com/questions/5070801/monitoring-mount-point-changes-via-proc-mounts >From 41d047b5df0dc759be621d0af1e45e5b6fba0028 Mon Sep 17 00:00:00 2001 From: Simon Nagl <simonnagl@xxxxxxx> Date: Sun, 8 May 2016 18:49:36 +0200 Subject: [PATCH] proc.5: Correct polling of mounts via select() Change of mounts can be polled with select via exceptfds, not readfds. --- man5/proc.5 | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/man5/proc.5 b/man5/proc.5 index cb85b9b..a377d06 100644 --- a/man5/proc.5 +++ b/man5/proc.5 @@ -47,6 +47,7 @@ .\" and /proc/[pid]/fdinfo/*. .\" 2008-06-19, mtk, Documented /proc/[pid]/status. .\" 2008-07-15, mtk, added /proc/config.gz +.\" 2016-05-08, Simon Nagl (simonnagl@xxxxxxx), corrected /proc/[pid]/mounts .\" .\" FIXME . cross check against Documentation/filesystems/proc.txt .\" to see what information could be imported from that file @@ -1186,7 +1187,7 @@ Since kernel version 2.6.15, this file is pollable: after opening the file for reading, a change in this file (i.e., a filesystem mount or unmount) causes .BR select (2) -to mark the file descriptor as readable, and +to mark the file descriptor as an exception, and .BR poll (2) and .BR epoll_wait (2) -- 2.8.2 -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
