From: Masatake YAMATO Date: Sun, 30 Jul 2023 09:29:42 +0000 (+0900) Subject: lsfd: (man) write about XMODE.m and classical system calls for multiplexing X-Git-Tag: v2.40-rc1~244^2~2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=de6e15d8244bc67c57f68c57fc52fa09d8e0bc3a;p=thirdparty%2Futil-linux.git lsfd: (man) write about XMODE.m and classical system calls for multiplexing Signed-off-by: Masatake YAMATO --- diff --git a/misc-utils/lsfd.1.adoc b/misc-utils/lsfd.1.adoc index 2801cda108..771b736c6c 100644 --- a/misc-utils/lsfd.1.adoc +++ b/misc-utils/lsfd.1.adoc @@ -515,8 +515,12 @@ read/shared and write/exclusive locks or leases are taken by a file descriptor, _L_ is used as the flag. + [-m]::: -Multiplexed. If the file descriptor is targeted by a eventpoll file, -this bit flag is set. +Multiplexed. If the file descriptor is targeted by a eventpoll file +or classical system calls for multiplexing (select, pselect, poll, and +ppoll), this bit flag is set. Note that if an invocaiton of the +classical system calls is interrupted, *lsfd* may fail to mark _m_ +on the file descriptors monitored by the invocaiton. +See *restart_syscall*(2). == FILTER EXPRESSION