RUNLOCK(1) General Commands Manual RUNLOCK(1)NAME
runlock - prevent concurrent execution of a process
SYNOPSYS
runlock [ -h ]
runlock [ -d ] [ -f pathname ] [ -t timeout ] command [ args ]
DESCRIPTION
runlock tries to hold an exclusive lock while it executes a command. Subsequent execution of runlock with the same lock, while that lock is
held, will cause the new instance of runlock to terminate with a faliure exit code. Otherwise, the exit code of the subprocess is returned.
USAGE -d
Debug mode; send log messages to standard error as well as to the system log.
-f pathname
Specifies the pathname of the file to use as a lock file. The default is to create a lock file in /tmp/cronutils-$USER with the
name of the command, and suffix ".pid".
-t timeout
Specifies the duration, in seconds, for runlock to wait before giving up on trying to acquire the lock. The default is 5 seconds.
-h
Prints some basic help.
BUGS
Sending SIGALRM to runlock before the timer has expired will cause the subprocess to be killed.
SEE ALSO runalarm(1), runstat(1)AUTHOR
runlock was written by Jamie Wilkinson <jaq@google.com>.
COPYRIGHT
This program is copyright (C) 2010 Google, Inc.
It is licensed under the Apache License, Version 2.0
Google, Inc. October 18, 2010 RUNLOCK(1)
Check Out this Related Man Page
RUNSTAT(1) General Commands Manual RUNSTAT(1)NAME
runstat - collect statistics about execution of a process
SYNOPSYS
runstat [ -h ]
runstat [ -d ] [ -f pathname ] command [ args ]
DESCRIPTION
runstat tries to execute a command in a subprocess, and upon termination of the subprocess collects some statistics about that subprocess,
and writes them to a file.
These statistics include time of execution, exit status, and elapsed time to execute, as well as use of various OS resources.
USAGE -d
Debug mode; send log messages to standard error as well as to the system log.
-f pathname
Specifies the pathname of the file to save the statistics to. The default is to create a file in /tmp/cronutils-$USER with the name
of the command, and suffix ".stat".
-h
Prints some basic help.
SEE ALSO runalarm(1), runlock(1), getrusage(2)AUTHOR
runstat was written by Jamie Wilkinson <jaq@google.com>.
COPYRIGHT
This program is copyright (C) 2010 Google, Inc.
It is licensed under the Apache License, Version 2.0
Google, Inc. October 18, 2010 RUNSTAT(1)
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