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Top Forums Shell Programming and Scripting Killing the Wrong Background Process Post 302348707 by satnamx on Saturday 29th of August 2009 08:41:08 AM
Old 08-29-2009
Killing the Wrong Background Process

BASH on Solaris

Hi All,

I posted a problem whereby I was looking to Kill a background (calling Send)mail) process after a certain time had elapsed.

A User Scottn very kindly provided a useful function to do this as below


CheckAndKill()
{

sleep "$EMAIL_TIMEOUT_THEN_KILL"
[ "$(ps | awk '$1 == '$1)" ] && echo "Killing process $1" && kill -9 "$1"

}

Howvere I am calling this in the wrong way as below:

send_email "Warning Notification" $warning_msg" | tee -a "$LOG_PATH"/email_output.lst &
CheckAndKill $! &

When I check the shell output I can see that I am killing the wrong process ie I am killing the "tee" not the actual send_email function.

The $! passed into CheckAndKill() is clearly picking on the process id of the tee and not the send_email function
Any ideas how to correctly kill the send_email function?

Kind Regards
Satnam
 

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dxproctuner(8)						      System Manager's Manual						    dxproctuner(8)

NAME
dxproctuner - Manages and monitors system processes SYNOPSIS
/usr/bin/X11/dxproctuner OPTIONS
Process Tuner accepts all of the standard X Toolkit command line options, which are documented in the OPTIONS section in the X(1X) refer- ence page. DESCRIPTION
The Process Tuner application, dxproctuner, is used to monitor and manage processes. Use Process Tuner to: Display a list of processes and their characteristics Display the processes running for yourself or all users Display and modify process priorities Send a signal to a process The Process Tuner application can be invoked from the CDE Application Manager from the following categories: Application Group: System_Admin System Admin Subgroup: MonitoringTuning EXAMPLES
To start Process Tuner from the command line, enter: dxproctuner You can view the Process Tuner online help volume without running the application. To open the Process Tuner help volume from the command line, enter the following command: /usr/dt/bin/dthelpview -h /usr/dt/appconfig/help/C/Dxproctuner.sdl FILES
Contains user preferences that control the appearance of the application Contains the Process Tuner application executable Contains the Process Tuner help volume Contains the default values for the application's X resources SEE ALSO
Commands: kill(1), ps(1), X(1X) System Calls: exit(2), kill(2), sigaction(2) Files: signal(4) dxproctuner(8)
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