Is it possible to have a main script (i will call it main.ksh) that executes say, 4 other scripts (sub_prog_1.ksh, sub_prog_2.ksh etc..) from within this main.ksh (simultaneously/in parallel), have them run in the background and communicate back to main.ksh when complete?
My guess is to use... (1 Reply)
write a program create two processes to run a for loop which adds numbers 1 to n , say one process adds odd numbers and other adds even numbers (1 Reply)
Can someone tell how to find out how long a process has been running? I want to find something that is usually there that the paging system can check on.
Thanks (4 Replies)
Is there a way to monitor certain processes and if they hang too long to kill them, but certain scripts which are expected to take a long time to let them go?
Thank you
Richard (4 Replies)
Hi
Is there an easy way to identify and group currently running processes into OS processes and APP processes. Not all applications are installed as packages.
Any free tools or scripts to do this?
Many thanks. (2 Replies)
Hi all,
I needed a little help. It's OS thing.
Suppose I have 2 machine connect over a network, I will call my machines as M1and M2.
If I copy a files from M1 to M2. What tasks are these two machine performing for copy to work.
My assumption is that M1 is performing read action and... (1 Reply)
I had issues with processes locking up. This script checks for processes and kills them if they are older than a certain time.
Its uses some functions you'll need to define or remove, like slog() which I use for logging, and is_running() which checks if this script is already running so you can... (0 Replies)
may i know a command to find processes not attached to a terminal?? (1 Reply)
Discussion started by: riya9
1 Replies
LEARN ABOUT REDHAT
update
update(n) Tcl Built-In Commands update(n)
__________________________________________________________________________________________________________________________________________________NAME
update - Process pending events and idle callbacks
SYNOPSIS
update ?idletasks?
_________________________________________________________________DESCRIPTION
This command is used to bring the application ``up to date'' by entering the event loop repeatedly until all pending events (including idle
callbacks) have been processed.
If the idletasks keyword is specified as an argument to the command, then no new events or errors are processed; only idle callbacks are
invoked. This causes operations that are normally deferred, such as display updates and window layout calculations, to be performed imme-
diately.
The update idletasks command is useful in scripts where changes have been made to the application's state and you want those changes to
appear on the display immediately, rather than waiting for the script to complete. Most display updates are performed as idle callbacks,
so update idletasks will cause them to run. However, there are some kinds of updates that only happen in response to events, such as those
triggered by window size changes; these updates will not occur in update idletasks.
The update command with no options is useful in scripts where you are performing a long-running computation but you still want the applica-
tion to respond to events such as user interactions; if you occasionally call update then user input will be processed during the next
call to update.
SEE ALSO
after(n), bgerror(n)
KEYWORDS
event, flush, handler, idle, update
Tcl 7.5 update(n)