SHLOCK(1) BSD General Commands Manual SHLOCK(1)NAMEshlock — create lock file from shell script
SYNOPSISshlock [-d] [-f name] [-p pid] [-u]
DESCRIPTION
The shlock utility tries to create a lock file named name and writes the
process id pid into this file.
Options:
-d Enable debugging.
-f name The filename of the lock file.
-p pid The process id that will be written to file.
-u Use UUCP style lock file format.
EXAMPLES
A typical use could be (from within a script):
shlock-f script.lock -p $$
DIAGNOSTICS
The shlock command exists with 0 on success or with >0 if there was a
problem.
HISTORY
The shlock command appeared in DragonFly 1.3.
BSD July 24, 2005 BSD