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Better comments for TCP keep-alive change

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valenok 2011-05-26 21:15:34 +01:00
parent abc230eb34
commit 377cece9c0
1 changed files with 2 additions and 1 deletions
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mongoose.c
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@ -3353,12 +3353,13 @@ static int set_ports_option(struct mg_context *ctx) {
setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &on,
sizeof(on)) != 0 ||
#endif // !_WIN32
// Set TCP keep-alive. This needed because if HTTP-level
// Set TCP keep-alive. This is needed because if HTTP-level
// keep-alive is enabled, and client resets the connection,
// server won't get TCP FIN or RST and will keep the connection
// open forever. With TCP keep-alive, next keep-alive
// handshake will figure out that the client is down and
// will close the server end.
// Thanks to Igor Klopov who suggested the patch.
setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE, &on,
sizeof(on)) != 0 ||
bind(sock, &so.lsa.u.sa, so.lsa.len) != 0 ||