03-25-2004
Controlling child processes
Hello all, I am trying to create n child processes and control them from a parent process; say make child 3 print its pid and then child 5 do the same and some other stuff. Is there a way to accomplishing this after all the child processes are created via a call to fork().
Thank you,
FG
10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Dear all,
suppose that I start a process (named "father"). "father" starts in turns a process called "child" with an execv call (after a fork). In this way "father" will be notified if "chlid" crashes (SIGCHILD mechanism). The problem is:
if "father" crashes, how can I do to be recreate a... (1 Reply)
Discussion started by: npalmentieri
1 Replies
2. UNIX for Dummies Questions & Answers
I don't follow what these are...
this is what my text says...
"When a process is started, a duplicate of that process is created. This new process is called the child and the process that created it is called the parent. The child process then replaces the copy for the code the parent... (1 Reply)
Discussion started by: xyyz
1 Replies
3. Shell Programming and Scripting
Hello.
I have a global function name func1() that I am sourcing in from script A. I call the function from script B. Is there a way to find out which script called func1() dynamically so that the func1() can report it in the event there are errors?
Thanks (2 Replies)
Discussion started by: yoi2hot4ya
2 Replies
4. Programming
Hello,
How many child processes are actually created when running this code ?
#include <signal.h>
#include <stdio.h>
int main () {
int i ;
setpgrp () ;
for (i = 0; i < 10; i++) {
if (fork () == 0) {
if ( i & 1 ) setpgrp () ;
printf ("Child id: %2d, group: %2d\n", getpid(),... (0 Replies)
Discussion started by: green_dot
0 Replies
5. Shell Programming and Scripting
Hello,
How many child processes are actually created when running this code ?
#include <signal.h>
#include <stdio.h>
int main () {
int i ;
setpgrp () ;
for (i = 0; i < 10; i++) {
if (fork () == 0) {
if ( i & 1 ) setpgrp () ;
printf ("Child id: %2d, group: %2d\n",... (1 Reply)
Discussion started by: green_dot
1 Replies
6. UNIX for Advanced & Expert Users
Hi,
Is there a way I can kill all the child processes of a process, given its process id.
Many thanks in advance.
J. (1 Reply)
Discussion started by: superuser84
1 Replies
7. Programming
All,
Ok...so I know I *should* be able to control a process's stdin and stdout from the parent by creating pipes and then dup'ing them in the child. And, this works with all "normal" programs that I've tried. Unfortunately, I want to intercept the stdin/out of the scp application and it seems... (9 Replies)
Discussion started by: DreamWarrior
9 Replies
8. Windows & DOS: Issues & Discussions
I have a .NET application that remotely starts, stops, and gets status of Windows services and scheduled tasks. I would like to add the capability of starting, stopping, and getting status of remote AIX applications also. Based on some preliminary research, one option may be to use 3rd party .NET... (0 Replies)
Discussion started by: auser1
0 Replies
9. Shell Programming and Scripting
I am trying to implement the below using Ksh script on a Lx machine.
There is a file(input_file) with 100K records. For each of these records, certain script(process_rec) needs to be called with the record as input. Sequential processing is time-consuming and parallel processing would eat up... (2 Replies)
Discussion started by: APT_3009
2 Replies
10. Shell Programming and Scripting
is there a universal way of getting the children of a particular process? i'm looking for a solution that works across different OSes...linux, aix, sunos, hpux.
i did a search online and i kept finding answers that were specific to Linux..i.e. pstree.
i want to be able to specify a process... (2 Replies)
Discussion started by: SkySmart
2 Replies
LEARN ABOUT HPUX
create_child
create child(1m) create child(1m)
NAME
create child - Creates a child pointer at the master replica of the parent directory
SYNOPSIS
cdscp create child child-name clearinghouse clearinghouse-name
ARGUMENTS
The full name of the child pointer. The full name of a clearinghouse that contains a replica of the child directory.
DESCRIPTION
The create child command creates a child pointer at the master replica of the parent directory. When CDS looks up a name in the namespace,
it uses child pointers to locate directory replicas. Use the set cdscp preferred clearinghouse command before issuing this command to
ensure that the request is directed to the master replica.
Privilege Required
You must have insert permission to the parent directory.
NOTES
Use the create child command only to re-create a child pointer that is accidentally deleted. This command is designed only for trou-
bleshooting.
This command will fail if the associated directory does not exist. If the associated directory exists, this command will return success-
fully.
This command is replaced at Revision 1.1 by the dcecp command and may not be provided in future releases of DCE.
EXAMPLE
The following command creates the child pointer in the parent directory /.:/subsys. It uses the replica located at the /.:/subsys/NY_CH
clearinghouse to fill in its replica set.
cdscp> create child /.:/subsys clearinghouse /.:/subsys/NY_CH
RELATED INFORMATION
Commands: delete child(1m), list child(1m), show child(1m)
create child(1m)