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Fix [ 1001018 ]: Windows: setdefaulttimeout causes unnecessary timeouts on

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connect error
This commit is contained in:
Mark Hammond 2004-08-03 05:06:26 +00:00
parent 5ad28e14b6
commit a57ec93b93
1 changed files with 24 additions and 3 deletions
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25
Modules/socketmodule.c
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@ -1694,17 +1694,38 @@ internal_connect(PySocketSockObject *s, struct sockaddr *addr, int addrlen,
if (res < 0 && WSAGetLastError() == WSAEWOULDBLOCK) {
/* This is a mess. Best solution: trust select */
fd_set fds;
fd_set fds_exc;
struct timeval tv;
tv.tv_sec = (int)s->sock_timeout;
tv.tv_usec = (int)((s->sock_timeout - tv.tv_sec) * 1e6);
FD_ZERO(&fds);
FD_SET(s->sock_fd, &fds);
res = select(s->sock_fd+1, NULL, &fds, NULL, &tv);
FD_ZERO(&fds_exc);
FD_SET(s->sock_fd, &fds_exc);
res = select(s->sock_fd+1, NULL, &fds, &fds_exc, &tv);
if (res == 0) {
res = WSAEWOULDBLOCK;
timeout = 1;
} else if (res > 0)
} else if (res > 0) {
if (FD_ISSET(s->sock_fd, &fds))
/* The socket is in the writeable set - this
means connected */
res = 0;
else {
/* As per MS docs, we need to call getsockopt()
to get the underlying error */
int res_size = sizeof res;
/* It must be in the exception set */
assert(FD_ISSET(s->sock_fd, &fds_exc));
if (0 == getsockopt(s->sock_fd, SOL_SOCKET, SO_ERROR,
(char *)&res, &res_size))
/* getsockopt also clears WSAGetLastError,
so reset it back. */
WSASetLastError(res);
else
res = WSAGetLastError();
}
}
/* else if (res < 0) an error occurred */
}
}