Re: Help on a memory leak issue

[Glynn Clements <glynn@xxxxxxxxxxxxxxxxxx>]

Uğur ATA wrote:

> I have a client server application which uses a local file socket.
> When i connect to the server part and then close the connection the
> memory usage stays the same indicating that the resources aren't
> freed. Other then this memory leak problem everything is working fine.
> Messeages are sent and received. After each message is sent/received
> rss indicator in the ps command increases with different amounts for
> each different message. When the rss reaches around 64MB the program
> stops working and freezes. Then it needs to be restarted.
> I couldn't find a solution to this problem anywhere on the web so
> thanks in advance if someone could be of help.
> Below is the result of uname -a:
> Linux server 2.6.27.7-smp #2 SMP Thu Nov 20 22:32:43 CST 2008 i686
> Pentium III (Katmai) GenuineIntel GNU/Linux
> Slackware 12.2 is running on that kernel and my source for the server part is:

Whatever is causing the leak isn't in the portion of the code which
you posted.

Also:

>         struct sockaddr_un client_name;
>         socklen_t client_name_len = 0; // it should be >= 0 otherwise accept returns EINVAL
>         int client_socket_fd;
>         client_socket_fd = accept(socket_fd, &client_name, &client_name_len);

If you want accept to initialise client_name, you should initialise
client_name_len to the size of the buffer, i.e.:

	client_name_len = sizeof client_name;

-- 
Glynn Clements <glynn@xxxxxxxxxxxxxxxxxx>
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