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Operating Systems HP-UX how to check whether a script is running actively or hanged/ in deadlock) Post 90375 by truth on Tuesday 22nd of November 2005 06:21:26 AM
Old 11-22-2005
how to check whether a script is running actively or hanged(in deadlock)

Hi
I have a doubt regarding process states in HP unix system. Is there a way to check whether a process is hanged or still actively running? I have few scripts which run for a long time. but sometimes these are getting hanged. But i'm never sure whether they are running or waiting in kind of deadlock. these process are present when i check using "ps -ef" command.
Is there any way to tail the output of a process that has already started? i've asked this because we can know whether it's hanged or running.

Last edited by truth; 11-22-2005 at 07:27 AM..
 

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fsdaemon(1M)															      fsdaemon(1M)

NAME
fsdaemon - pass-through daemon for processing system commands SYNOPSIS
fork] DESCRIPTION
The is a user level daemon that provides a mechanism to pass information between applications and common commands and library functional- ity, allowing certain applications to dynamically add functionality to a system. This is currently only supported for the class of APIs, such as: The API are not yet publicly available, but the commands that use the mentioned APIs depend on this daemon to always be running in the HP- UX environments. Options When is started, indicates whether it should fork a child process and exit the parent process or run just as the parent process and not return. A value of 1 for fork will make fork and exec a child process and then cause the parent process to exit. Kills the current running instance of Tests and waits until is ready to process commands. There is a window where could be started and not yet setup to process commands. The caller should invoke separately with the option to block until is ready to process commands. The entries to start are in the file. These entries be present to ensure correct functionality of the system. They should appear as one of the first entries in placing entries before entries in is dangerous and unsupported. The following are some of the HP-UX commands that use via the above APIs: and RETURN VALUE
: 0 Successful start of If invoked with the option, 0 is always returned. >0 Errno of failure that caused to fail to start. This applies only if was started with the option. ERRORS
If is not running, the errno will be returned by an application that invokes these APIs. If this happens, please see your system adminis- trator to make sure is properly running. EXAMPLES
To start such that it can be invoked without permanently blocking the calling process: To kill the currently running instance of To check to see if the currently running instance of is ready and able to process requests sent to it: The following entries for starting should appear in the file: WARNINGS
The APIs are not yet publicly available, but the commands that use the mentioned family of APIs depend on this daemon to always be running on HP-UX environments. The administrator is not expected to invoke the command from the shell prompt; it should always be started via an entry in This manpage is provided for administrator's trouble shooting purposes, and to allow the system administrator to repair the entries for this daemon in case of corruption. The interface/options provided in this manpage are HP-UX release specific, and may be different in future releases. AUTHOR
was developed by HP. SEE ALSO
fstyp(1M), mkboot(1M), mount(1M), fstatfsdev(3C), fstatvfsdev(3C), statvfsdev(3C), statfsdev(3C), inittab(4). fsdaemon(1M)
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