[Freeswitch-users] Defunct process in ESL testserver example

[MohammedShehzad]

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 at 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 at 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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>
>
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> Anthony Minessale II
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