6d0443557
Denis Vlasenko
2008-11-09
Subject
telnetd: set SO_KEEPALIVE, users report it's useful. +20 bytes.
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networking/telnetd.c+4 -0
| @@ -182,6 +182,8 @@ make_new_session( | |
| ndelay_on(fd); | |
| #if ENABLE_FEATURE_TELNETD_STANDALONE | |
| ts->sockfd_read = sock; | |
| + | /* SO_KEEPALIVE by popular demand */ |
| + | setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE, &const_int_1, sizeof(const_int_1)); |
| ndelay_on(sock); | |
| if (!sock) { /* We are called with fd 0 - we are in inetd mode */ | |
| sock++; /* so use fd 1 for output */ | |
| @@ -191,6 +193,8 @@ make_new_session( | |
| if (sock > maxfd) | |
| maxfd = sock; | |
| #else | |
| + | /* SO_KEEPALIVE by popular demand */ |
| + | setsockopt(0, SOL_SOCKET, SO_KEEPALIVE, &const_int_1, sizeof(const_int_1)); |
| /* ts->sockfd_read = 0; - done by xzalloc */ | |
| ts->sockfd_write = 1; | |
| ndelay_on(0); | |