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Finding PID of Killing process


 
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Operating Systems Solaris Finding PID of Killing process
# 8  
Old 08-28-2009
why not have the killer process record its PID before it goes?

like ...

(lines 3 and 4 are optional but i would add them if i were doing this script myself just because i'm too lazy to check)

Code:
#!/bin/ksh

echo "KPID=$$\n on $(date)" > /tmp/killer.pid.$$

kill -9 some_process

# KPID=$(grep KPID /tmp/killer.pid.$$ | awk -F"=" '{print $2}')

# mailx -s "some_process killed by $KPID" you@domain.com < /tmp/killer.pid.$$

exit 0


i know you could do better code than that so i leave you to it ...

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Test Your Knowledge in Computers #502
Difficulty: Medium
If a function uses a particular process or algorithm such as a Fast Fourier Transform to perform an operation, it would not be appropriate to document it in a series of comments in the source code.
True or False?

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KILL(1) 							   User Commands							   KILL(1)

NAME
kill - send a signal to a process SYNOPSIS
kill [options] <pid> [...] DESCRIPTION
The default signal for kill is TERM. Use -l or -L to list available signals. Particularly useful signals include HUP, INT, KILL, STOP, CONT, and 0. Alternate signals may be specified in three ways: -9, -SIGKILL or -KILL. Negative PID values may be used to choose whole process groups; see the PGID column in ps command output. A PID of -1 is special; it indicates all processes except the kill process itself and init. OPTIONS
<pid> [...] Send signal to every <pid> listed. -<signal> -s <signal> --signal <signal> Specify the signal to be sent. The signal can be specified by using name or number. The behavior of signals is explained in sig- nal(7) manual page. -l, --list [signal] List signal names. This option has optional argument, which will convert signal number to signal name, or other way round. -L, --table List signal names in a nice table. NOTES Your shell (command line interpreter) may have a built-in kill command. You may need to run the command described here as /bin/kill to solve the conflict. EXAMPLES
kill -9 -1 Kill all processes you can kill. kill -l 11 Translate number 11 into a signal name. kill -L List the available signal choices in a nice table. kill 123 543 2341 3453 Send the default signal, SIGTERM, to all those processes. SEE ALSO
kill(2), killall(1), nice(1), pkill(1), renice(1), signal(7), skill(1) STANDARDS
This command meets appropriate standards. The -L flag is Linux-specific. AUTHOR
Albert Cahalan <albert@users.sf.net> wrote kill in 1999 to replace a bsdutils one that was not standards compliant. The util-linux one might also work correctly. REPORTING BUGS
Please send bug reports to <procps@freelists.org> procps-ng October 2011 KILL(1)

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