printing ppid,child pid,pid Post: 47035

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1. UNIX for Dummies Questions & Answers

Script to kill all child process for a given PID

Is there any build in command in unix to kill all the child process for a given process ID ? If any one has script or command, please let me know. Thanks Sanjay

2. Programming

Child Process PID

Hi, Can anybody solve this query? A parent process forks 2 child processes. How does the child process know it's PID without the parent process sending it. Apart from the "ps-ef" option, what other options are there if any?

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strange pid and ppid problem

Hi all, Please look into the following code : int main() { char command; int pid, ppid; ppid = getpid(); /* Get the parent pid */ pid = fork(); /* Fork */ if ( pid ==0 ) { sprintf( command, " gdb a.out %d ", ppid ); printf( "Command line is %s\n", command ); system( command...

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In ksh, how does an in-line child sub-process get its own PID?

This is not the same as a few of the other posted items dealing with sub-process pids (that I saw anyway). If zot contains: echo "main mypid: $$ - lastpid: $!" ( echo "block mypid: $$ - lastpid: $! - ppid: $PPID" ps -ef > xxx sleep 5 echo "block mypid: $$ - lastpid: $! - ppid:...

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child pid in ZSH

I am using ZSH shell in Linux. I am calling a child program in background mode parallely (say 2-3 threads). I have problem in handling the temporary files of these child programs since the temp file names are unique for all the child process. To distinguish i want to use the pid in the temp...

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Comparing CRON PID w/Current PPID

All, I've got a script that needs to check if it was started by cron. The code seems to be right, but it's not running correctly if cron starts it. Am I getting the pid's correctly? I'm not having any luck figuring it out. :confused: Any help is appreciated! CRON_ID=$(ps -aef | grep...

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how to capture PID for a child script

Hi, I'm looking for a method where we can capture the PID and if possible the progress of child process especially the ones running in background. can anyone help?

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PID and PPID - please explain :(-

Hi, I need some help understanding PID and PPID that is shown by the ps -ef output. OS is Solaris 5.8. :wall: There are several Oracle databases and processes running on this server and they all have the same PPID. Does that mean they are all spawned off the same startup script? I then...

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Listing all child pid and deleting it in reverse order

Hi , My problem is that I am not able to list all process id of any process. If you see pstree command it shows many process id under https. But if I run ps command its not listing all the process id for httpd. It is just listing the PPID and immediate child process id only. I...

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Getting child process id for a given PID

HI Am trying to get child process id for a PID using ksh.. ps -ef | grep xntpd root 3342472 2228308 0 12:17:40 - 0:00 /usr/sbin/xntpd root 4522024 6488316 0 12:18:56 pts/0 0:00 grep xntpd root 6291614 3342472 0 12:17:40 - 0:00 /usr/sbin/xntpd Here now i...

LEARN ABOUT OSX

trace

TRACE(1)						    BSD General Commands Manual 						  TRACE(1)

NAME

     trace -- configure and record kernel trace events

SYNOPSIS

     trace -h

     trace -i [-b numbufs]

     trace -g

     trace -d [-a pid | -x pid]

     trace -r

     trace -n

     trace -e [-c class [-p class] [-s subclass]] [-a pid | -x pid] [-k code | -k code | -k code | -k code]

     trace -E [-c class [-p class] [-s subclass]] [-a pid | -x pid] [-k code | -k code | -k code | -k code] executable_path
	   [optional args to executable]

     trace -t [-R rawfile] [-o OutputFilename] [-N] [ExtraCodeFilename1 ExtraCodeFilename2 ...]

DESCRIPTION

     The trace command allows developers to initialize and configure the kernel trace subsystem. Trace events can be recorded to an in-memory buf-
     fer, or logged directly to a file. Raw data files can later be decoded to a plaintext format.

SEE ALSO

     fs_usage(1), sc_usage(1), latency(1), top(1)

Mac OS X							 October 28, 2010							  Mac OS X

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Script to kill all child process for a given PID

Discussion started by: sanjay92

2. Programming

Child Process PID

Discussion started by: skannan

3. UNIX for Advanced & Expert Users

strange pid and ppid problem

Discussion started by: asvija

4. Shell Programming and Scripting

In ksh, how does an in-line child sub-process get its own PID?

Discussion started by: MichLab