ehlo,
The macros SOL_TCP and IPPROTO_TCP have the same value on linux,
but the first one is not portable.
I checked source code of other projects and they use constant IPPROTO_TCP
for seting TCP_NODELAY on tcp socket.
c-ares
ares_process.c:1026: if (setsockopt(s, IPPROTO_TCP, TCP_NODELAY,
ares_process.c-1027- (void *)&opt, sizeof(opt)) == -1)
ares_process.c-1028- {
cups
http.c-222-
http.c-223- val = 1;
http.c:224: setsockopt(http->fd, IPPROTO_TCP, TCP_NODELAY, CUPS_SOCAST &val,
sizeof(val));
http.c-225-
audit
auditd-listen.c-816-
auditd-listen.c-817- /* Connection is accepted...start setting it up */
auditd-listen.c:818: setsockopt(afd, SOL_SOCKET, SO_REUSEADDR, (char *)&one,
sizeof (int));
auditd-listen.c:819: setsockopt(afd, SOL_SOCKET, SO_KEEPALIVE, (char *)&one,
sizeof (int));
auditd-listen.c:820: setsockopt(afd, IPPROTO_TCP, TCP_NODELAY, (char *)&one,
sizeof (int));
auditd-listen.c-821- set_close_on_exec (afd);
auditd-listen.c-822-
libtircp
svc_vc.c-348- len = 1;
svc_vc.c-349- /* XXX fvdl - is this useful? */
svc_vc.c:350: setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, &len, sizeof (len));
svc_vc.c-351-}
svc_vc.c-352-
valgrind
valgrind-di-server.c-1133-
valgrind-di-server.c-1134-assert(one == 1);
valgrind-di-server.c:1135:int ret = setsockopt( new_sd, IPPROTO_TCP, TCP_NODELAY,
&one, sizeof(one));
valgrind-di-server.c-1136-assert(ret != -1);
valgrind-di-server.c-1137-
openldap
daemon.c-1918- /* enable no delay */
daemon.c-1919- tmp = 1;
daemon.c:1920: rc = setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
daemon.c-1921- (char *)&tmp, sizeof(tmp) );
daemon.c-1922- if ( rc == AC_SOCKET_ERROR ) {
Simple patch is attached.
LS