Thanks Anthony,

I added the below line before esl_listen to ignore the sigchild, and it resolved the problem:
signal(SIGCHLD, SIG_IGN);
esl_listen(ip, port, mycallback);

-MohammedShehzad

On Tue, Jan 12, 2010 at 10:04 PM, Anthony Minessale <anthony.minessale@gmail.com> wrote:
It's forking process code.
you need to ignore sigchld or create a sig handler for sigchld and use the wait syscall to reap the process.


On Tue, Jan 12, 2010 at 9:22 AM, MohammedShehzad <pmhshz@gmail.com> wrote:
Hello everybody,

I am creating a C program of ESL outbound for call processing.
I am using testserver.c example, and till now it seems fine.

But i noticed that every call testserver process, a new process is being created which I can see in Linux system with below command:
For example, when I make two calls and even after hangup, I saw three process like below:
ps -A | grep testserver
 9345 pts/2    00:00:00 testserver
 9350 pts/2    00:00:00 testserver
 9357 pts/2    00:00:00 testserver

This get increased for every call i make.

I did some workout and placed below two lines (close & exit) at the end of mycallback function, (as I found them on ivrd.c file):

    esl_disconnect(&handle);
    close(client_sock);
    exit(0);
}
But after that the process becomes defunct/zombie

 9440 pts/2    00:00:00 conflisten
 9442 pts/2    00:00:00 conflisten <defunct>
 9452 pts/2    00:00:00 conflisten <defunct>


Will anybody please suggest me how can I eliminate this process, which remains in memory even after call hangup?

Thanks for any response.
MohammedShehzad




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