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Only set TCP_NODELAY when it exists

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This commit is contained in:
Dan Fandrich 2008-11-28 22:07:40 +00:00
parent 1b0b7fa0e1
commit 00142d8443
1 changed files with 2 additions and 0 deletions
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2
ares/ares_process.c
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@ -897,6 +897,7 @@ static int open_tcp_socket(ares_channel channel, struct server_state *server)
return -1;
}
#ifdef TCP_NODELAY
/*
* Disable the Nagle algorithm (only relevant for TCP sockets, and thus not in
* configure_socket). In general, in DNS lookups we're pretty much interested
@ -910,6 +911,7 @@ static int open_tcp_socket(ares_channel channel, struct server_state *server)
closesocket(s);
return -1;
}
#endif
/* Connect to the server. */
memset(&sockin, 0, sizeof(sockin));