Name

lslocks — list local system locks

Synopsis

lslocks [options]

DESCRIPTION

lslocks lists information about all the file held locks in a Linux system.

OPTIONS

−p, −−pid

Specify the process id, if none is given, it will display all locks

−h, −−help

Print a help text and exit.

−o, −−output list

Specify which output columns to print. Use −−help to get a list of all supported columns.

−n, −−noheadings

Do not print a header line.

−u, −−notruncate

Do not truncate text in columns.

−r, −−raw

Use the raw output format.

OUTPUT

COMMAND

The command name of the process holding the lock.

PID

Process ID which holds the lock.

TYPE

Type of lock, can be FLOCK (created with flock(2)) or POSIX (created with fcntl(2) and lockf(2))

SIZE

Size of the locked file.

MODE

Lock access permissions (read, write).

M

Mandatory state of the lock: 0 if none; 1 if set. (See chmod(1)).

START

Relative byte offset of the lock.

END

Ending offset of the lock.

PATH

Full path of the lock - if none is found or no permissions to read the path it will fallback to the device's mountpoint. The path might be truncated, use −−notruncate to get the full path.

NOTES

The lslocks command is meant to replace the lslk(8) command, originally written by
Victor A. Abell <abe@purdue.edu> and unmaintained since 2001.

AUTHORS

Davidlohr Bueso <dave@gnu.org>

SEE ALSO

flock(1) fcntl(2) lockf(2)

AVAILABILITY

The lslocks command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.


  lslocks.8 --
Copyright 2012 Davidlohr Bueso <davegnu.org>
May be distributed under the GNU General Public License