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Yes , you are right but i am modifying the 'in' value as well, so it should work correctly right?

HI Sivasankar,

Additionally i added sleep funtion , am delayin both the threads for random no of time and its working exactly the way i want it.

Now am implementing next 2 stages
stage3: read...

Actually its a project not a homework assignment

yes it is an assignment !

#include<stdio.h>
#include<unistd.h>
#include<stdlib.h>
#include<sys/types.h>
#include<string.h>
#include<sys/wait.h>
#include<sys/stat.h>
#include<dirent.h>
#include<semaphore.h>...

The full semaphore increments (sem_post) when a file is found after which the stage 2 tries to lock the mutex and stats the file for checking the size.

Hi Experts,

I have a programming assignment that asks us to implement a pipegrep function. it basically has 5 stages and each stage has a thread and buffers are used between stages.

am...

Hey Corona ,

Need your help again, related to piping .

eg:
ls -al|grep -i sam.

I have been asked to implement advanced shell, support pipe features along with others.

i am currently...

Thanks corona, went wrong conceptually , over-thought i guess.......

Hi,

I am trying to emulate the '|' functionality through pipe function call. I am passing the o/p of exec in parent as input to the exec in child. The buf is readin the o/p but the exec in child...