network_io/unix/sockopt.c

11  * distributed under the License is distributed on an "AS IS" BASIS,
35 #error Please teach APR how to make sockets blocking on your platform.
41     int on = 0;
42     if (setsockopt(sd, SOL_SOCKET, SO_NONBLOCK, &on, sizeof(int)) < 0)
61 #error Please teach APR how to make sockets non-blocking on your platform.
67     int on = 1;
68     if (setsockopt(sd, SOL_SOCKET, SO_NONBLOCK, &on, sizeof(int)) < 0)
83      * We want to avoid calling fcntl more than necessary on the
114                                 apr_int32_t opt, apr_int32_t on)
119     if (on)
126         if (on != apr_is_option_set(sock, APR_SO_KEEPALIVE)) {
130             apr_set_option(sock, APR_SO_KEEPALIVE, on);
137         if (on != apr_is_option_set(sock, APR_SO_DEBUG)) {
141             apr_set_option(sock, APR_SO_DEBUG, on);
146         if (on != apr_is_option_set(sock, APR_SO_BROADCAST)) {
150             apr_set_option(sock, APR_SO_BROADCAST, on);
157         if (on != apr_is_option_set(sock, APR_SO_REUSEADDR)) {
161             apr_set_option(sock, APR_SO_REUSEADDR, on);
166         if (setsockopt(sock->socketdes, SOL_SOCKET, SO_SNDBUF, (void *)&on, sizeof(int)) == -1) {
175         if (setsockopt(sock->socketdes, SOL_SOCKET, SO_RCVBUF, (void *)&on, sizeof(int)) == -1) {
183         if (apr_is_option_set(sock, APR_SO_NONBLOCK) != on) {
184             if (on) {
192             apr_set_option(sock, APR_SO_NONBLOCK, on);
197         if (apr_is_option_set(sock, APR_SO_LINGER) != on) {
199             li.l_onoff = on;
204             apr_set_option(sock, APR_SO_LINGER, on);
212         if (apr_is_option_set(sock, APR_TCP_DEFER_ACCEPT) != on) {
217                            (void *)&on, sizeof(int)) == -1) {
220             apr_set_option(sock, APR_TCP_DEFER_ACCEPT, on);
228         if (apr_is_option_set(sock, APR_TCP_NODELAY) != on) {
238             if (setsockopt(sock->socketdes, optlevel, optname, (void *)&on, sizeof(int)) == -1) {
241             apr_set_option(sock, APR_TCP_NODELAY, on);
246          * for it to be turned on!
249         if (on == 1)
258         /* TCP_NODELAY and TCP_CORK are mutually exclusive on Linux
259          * kernels < 2.6; on newer kernels they can be used together
263         if (apr_is_option_set(sock, APR_TCP_NOPUSH) != on) {
275             if (apr_is_option_set(sock, APR_TCP_NODELAY) == 1 && on) {
277                  * turned on: */
285             } else if (on) {
292                            (void*)&on, sizeof(int)) == -1) {
295             apr_set_option(sock, APR_TCP_NOPUSH, on);
297             if (!on && apr_is_option_set(sock, APR_RESET_NODELAY)) {
299                  * TCP_NODELAY back on again if it was earlier toggled
316         apr_set_option(sock, APR_INCOMPLETE_READ, on);
325                        (void *)&on, sizeof(int)) == -1) {
328         apr_set_option(sock, APR_IPV6_V6ONLY, on);
339         apr_set_option(sock, APR_SO_FREEBIND, on);
363                                 apr_int32_t opt, apr_int32_t *on)
367             *on = apr_is_option_set(sock, opt);