Ravi Kota wrote:
> Hi,
> We are using setsockopt() in C/C++ to alter TCP_KEEPALIVE at the TCP
> protocol level
>
> The function is being called with the following parameters.
>
> nResult = setsockopt(ctx->socket, IPPROTO_TCP, TCP_KEEPALIVE,
> &optval, optlen);
>
> Since SOL_TCP isn't defined, so we are using IPPROTO_TCP. The call
> appears to always return an error condition with
> errno=99 (ENOPROTOOPT).
>
> The specific error is:
>
> setsockopt() failure: : Option not supported by protocol
> Errno=99, failed to set TCP_KEEPALIVE value
>
> Is this supported on Solaris 10/ OpenSolaris. If so, what is the
> correct usage of this call?
The option level should be SOL_SOCKET. And I think it is
better to use SO_KEEPALIVE, instead of TCP_KEEPALIVE (they
have the same value though). Refer to the setsockopt(3SOCKET)
man page.
--
K. Poon.
[EMAIL PROTECTED]
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