1. Programming

#include <stdio.h> #include <string.h> #include <sys/types.h> #define MAX_COUNT 200 #define BUF_SIZE 100 void main(void) { pid_t pid; int i; char buf; fork(); pid = getpid(); for (i = 1; i <= MAX_COUNT; i++) { sprintf(buf,... (2 Replies)

2. Programming

Hello all. I'm developing a filetransfer application, which is supposed to work sort of like dcc, with multiple transfers etc. Now i wonder what the best way to manage the transfers is. Should i fork() for each new transfer, hogging loads of memory or use pthreads? Maybe I can use select to see... (0 Replies)

3. Programming

hi all About this code for (i = 1; i < n; i++) if ((childpid = fork()) <= 0) break; I really can't understand the output . and the way fork () return the value . how about the process Id ,the child process Id and the parent ID in this case so please answer me soon (5 Replies)

4. Programming

Hi everybody, I wanna write a code to understand how fork works. my target -------------- -Parent creates a file(called temp) and writes into this file "1".Then it closes the file. -Then parent creates a child and wait until execution of this child ends. -Then child opens the same... (3 Replies)

5. Shell Programming and Scripting

I have never coded in perl before (just started today morning :). I need to write a perl program to automate a task. Here is how I do it manually: Start a program in my home dir. Now if I want to execute another program while this one is still running, what I would do is go to another... (6 Replies)

6. Shell Programming and Scripting

Hi, I want to exec three different functions in perl one per fork(); How can I determine that this it the third fork and I should use third function in it. if ($pid = 0) { first();} else ( #parent second(); ) How to run third function? (1 Reply)

7. UNIX for Dummies Questions & Answers

I'm trying to run a simple test on how to use fork(), i'm able to execute the child process first then the parent, but how can I execute parent then child..? Thanks! (1 Reply)

8. Shell Programming and Scripting

Hi, I have a file which has some 50 hosts, I want to login to each host using ssh and execute any command. I am using fork function in perl. I am able to login to each host and execute the command in the hosts paralelly, but it spawing/forking 50 processes at a time. It will consume the cpu... (5 Replies)

9. Programming

I understand that fork create a child but I need very simple example that make child useful.... I mean how will make the program faster anyone explain with code plz using C plz (2 Replies)

10. Shell Programming and Scripting

Hi, I am breaking my head to understand the below line of code in perl: next if $pid = fork; # Parent goes to next server. die "fork failed: $!" unless defined $pid; Can anyone please explain me in detail as I am a slow learner? Thanks, Ali. (2 Replies)