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Aha, _that's_ why I've been periodically getting blocking-write

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problems using Unix PuTTY port forwarding. Sockets we create by
connect() are immediately set into nonblocking mode by fcntl, but
sockets we create by accept() were not. This trivial fix should help.

[originally from svn r7864]
This commit is contained in:
Simon Tatham 2008-02-21 09:18:24 +00:00
parent c639a04a1f
commit 5e42fe8fc9
1 changed files with 5 additions and 0 deletions
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5
unix/uxnet.c
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@ -1077,6 +1077,7 @@ static int net_select_result(int fd, int event)
#endif
socklen_t addrlen = sizeof(ss);
int t; /* socket of connection */
int fl;
memset(&ss, 0, addrlen);
t = accept(s->s, (struct sockaddr *)&ss, &addrlen);
@ -1084,6 +1085,10 @@ static int net_select_result(int fd, int event)
break;
}
fl = fcntl(t, F_GETFL);
if (fl != -1)
fcntl(t, F_SETFL, fl | O_NONBLOCK);
if (s->localhost_only &&
!sockaddr_is_loopback((struct sockaddr *)&ss)) {
close(t); /* someone let nonlocal through?! */