This is what I have done so far:
So here is the problems that I am facing now:
1. How do I stop this? I mean how can I make ./reminder -k stop to work? I thought about writing the pid of the parent to file and then using it to stop the program.
2. How can put the parent to background so that I get my stdin back at prompt? Now what happens is that the parent keeps waiting for the child to end, which never happens. What I did was I just removed the wait(&status) and replace it with return 0;. So now the parent will exit and the child will keep on popping up the reminder texts.
If I want to write program that spread the work to its child process so that each process compute some task what should I do?
The objective of my program is to fill in the table which (10*10) in dimension and each column is filled with the fibonacci value of i+j (i mean current row and j mean... (1 Reply)
Dear Experts
Why we always hear that unix operating system is Multi User and Multi task. What does these two means. I have looked at some books and documents but couldn't find aclear explenation. Can we say Windows operating system is also multi user and multi task??
Thanks for your help in... (6 Replies)
Hi,
Am supposed to use message queues to send and receive messages between the processes. when i was working on that i realised that the message qid and the message queue related data should be maintained in a shared memory so that it can be accessed by all the processes. Could anybody refer... (10 Replies)
Hi,
I'm trying to compile the following code:
/************** Begin <test.c> ***************/
/*
* Compiled with: gcc -Wall -o test test.c
*/
#include <stdio.h>
#include <unistd.h>
int main(void)
{
printf("I'm process %d, son of %d \n", getpid(), getppid());
printf("Hello \n");... (3 Replies)
Hi,
I'm trying to compile the following code:
/************** Begin <test.c> ***************/
/*
* Compiled with: gcc -Wall -o test test.c
*/
#include <stdio.h>
#include <unistd.h>
int main(void)
{
printf("I'm process %d, son of %d \n", getpid(), getppid());
... (5 Replies)
I read that 'Any single program that can run as multiple processes can benefit from OpenMosix: "The GIMP" photo editor and the "kandel" fractal generator are known to do this.
Are there other load-balancing clusters that do support multi-process applications? (1 Reply)
I have a unix directory where a million of small text files getting accumulated every week.
As of now there is a shell batch program in place which merges all the files in this directory into a single file and ftp to other system.
Previously the volume of the files would be around 1 lakh... (2 Replies)
Hi,
I have a problem where I need to make this input:
nameRow1a,text1a,text2a,floatValue1a,FloatValue2a,...,floatValue140a
nameRow1b,text1b,text2b,floatValue1b,FloatValue2b,...,floatValue140b
look like this output:
nameRow1a,text1b,text2a,(floatValue1a - floatValue1b),(floatValue2a -... (4 Replies)
I am trying to write a large X app. I have successfully modified my xorg.conf to setup 4 monitors on an NVIDIA Quatro5200. I am trying to modify a simple hello world application to open a window on three of the four monitors. depending on the changes to loop the window creation section and event... (2 Replies)
hi
I want to call a lot of links with the post method
What to do to speed it up??
####This method is slow
#!/bin/bash
func2() {
index1=0
while read line ; do
index1=$(($index1+1))
url=$line
done < tmp/url1.txt
} (10 Replies)