fcntl.2: wfix

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2017-12-19 06:52:59 +01:00
parent 03594d618b
commit 23e0e9f859
1 changed files with 4 additions and 2 deletions

View File

@ -669,6 +669,7 @@ and
Mandatory locking is not specified by POSIX.
Some other systems also support mandatory locking,
although the details of how to enable it vary across systems.
.\"
.SS Lost locks
When an advisory lock is obtained on a networked filesystem such as
NFS it is possible that the lock might get lost.
@ -687,13 +688,14 @@ This error will persist until the lock is removed or the file
descriptor is closed.
Since Linux 3.12,
.\" commit ef1820f9be27b6ad158f433ab38002ab8131db4d
this happens at least for NFSv4 including all minor versions.
this happens at least for NFSv4 (including all minor versions).
.PP
Some versions of Unix send a signal
Some versions of UNIX send a signal
.RB ( SIGLOST )
in this circumstance.
Linux does not define this signal, and does not provide any
asynchronous notification of lost locks.
.\"
.SS Managing signals
.BR F_GETOWN ,
.BR F_SETOWN ,