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Man Pages


Manual Reference Pages  -  CONDOR_PROCD (1)

Name

condor_procd Track and manage process families

CONTENTS

Synopsis
Description
Options
General Remarks
Exit Status
Author
Copyright

Synopsis

condor_procd -h

condor_procd -A address-file [ options ]

Description

condor_procd tracks and manages process families on behalf of the HTCondor daemons. It may track families of PIDs via relationships such as: direct parent/child, environment variables, UID, and supplementary group IDs. Management of the PID families include
* registering new families or new members of existing families
* getting usage information
* signaling families for operations such as suspension, continuing, or killing the family
* getting a snapshot of the tree of families In a regular HTCondor installation, this program is not intended to be used or executed by any human.
The required argument, -A address-file , is the path and file name of the address file which is the named pipe that clients must use to speak with the condor_procd .

Options

-h
Print out usage information and exit.
-D
Wait for the debugger. Initially sleep 30 seconds before beginning normal function.
-C principal
The principal is the UID of the owner of the named pipe that clients must use to speak to the condor_procd .
-L log-file
A file the condor_procd will use to write logging information.
-E
When specified, another tool such as the procd_ctl tool must allocate the GID associated with a process. When this option is not specified, the condor_procd will allocate the GID itself.
-P PID
If not specified, the condor_procd will use the condor_procd condor_procd and the root of the tracking family. When not specified, if the condor_procd condor_procd exits. When specified, the condor_procd will track this PID family in question and not also exit if the PID exits.
-S seconds
The maximum number of seconds the condor_procd will wait between taking snapshots of the tree of families. Different clients to the condor_procd can specify different snapshot times. The quickest snapshot time is the one performed by the condor_procd . When this option is not specified, a default value of 60 seconds is used.
-G min-gid max-gid
If the -E option is not specified, then track process families using a self-allocated, free GID out of the inclusive range specified by min-gid and max-gid . This means that if a new process shows up using a previously known GID, the new process will automatically associate into the process family assigned that GID. If the -E option is specified, then instead of self-allocating the GID, the procd_ctl tool must be used to associate the GID with the PID root of the family. The associated GID must still be in the range specified. This is a Linux-only feature.
-K windows-softkill-binary
This is the path and executable name of the condor_softkill.exe binary. It is used to send softkill signals to process families. This is a Windows-only feature.
-I glexec-kill-path glexec-path
Specifies, with glexec-kill-path , the path and executable name of a binary used to send a signal to a PID. The glexec binary, specified by glexec-path , executes the program specified with glexec-kill-path under the right privileges to send the signal.

General Remarks

This program may be used in a stand alone mode, independent of HTCondor, to track process families. The programs procd_ctl and gidd_alloc are used with the condor_procd in stand alone mode to interact with the daemon and to inquire about certain state of running processes on the machine, respectively.

Exit Status

condor_procd will exit with a status value of 0 (zero) upon success, and it will exit with the value 1 (one) upon failure.

Author

Center for High Throughput Computing, University of Wisconsin-Madison

Copyright

Copyright (C) 1990-2015 Center for High Throughput Computing, Computer Sciences Department, University of Wisconsin-Madison, Madison, WI. All Rights Reserved. Licensed under the Apache License, Version 2.0.
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