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Old 09-06-2012, 07:38 AM   #1
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getsockopt returns 111 as error code when invoked after epoll_wait call


I am using an application that tries to connect to a remote server in non-blocking mode. It invokes "connect" and waits for the socket to become writeable using epoll_wait. epoll_wait returns a positive integer. Now as soon as epoll_wait returns, the application checks for any socket error using getsockopt API.
"getsockopt (session, SOL_SOCKET, SO_ERROR, (char*)&sock_err, &sock_err_len)".

Sometimes getsockopt fetches 111 for sock_err. I am not able to understand why the fetched error code will be 111 when there are FDs ready. Did anyone face this issue and do you know what the resolution for the issue is?

Note: I am using RedHat 6.1. Version of the kernel is "2.6.32-131.0.15.el6.x86_64"



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