I am trying to disable the Nagle's Algorithm with my TCP sockets on an Ubuntu Linux box by setting the <code>TCP_NODELAY</code> parameter. For some reason, this constant is not defined in <code><sys/types.h></code> or <code><sys/socket.h></code>. Has this constant been deprecated and then removed from Linux or am I just missing something? <pre class="prettyprint"><code>bool Socket::setTCPNoDelay(bool enabled) { int flag = (enabled ? 1 : 0); if(setsockopt(m_sock,IPPROTO_TCP,TCP_NODELAY,(char *)&flag,sizeof(flag)) == -1) { return false; } return true; } </code></pre>

Did you <code>#include <netinet/tcp.h></code>?

TCP_NODELAY not found on Ubuntu

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I am trying to disable the Nagle's Algorithm with my TCP sockets on an Ubuntu Linux box by setting the TCP_NODELAY parameter. For some reason, this constant is not defined in <sys/types.h> or <sys/socket.h>. Has this constant been deprecated and then removed from Linux or am I just missing something?

bool Socket::setTCPNoDelay(bool enabled)
{

    int flag = (enabled ? 1 : 0);

    if(setsockopt(m_sock,IPPROTO_TCP,TCP_NODELAY,(char *)&flag,sizeof(flag)) == -1)
    {
         return false;
    }

    return true;
}