-/* $Cambridge: exim/src/src/ip.c,v 1.3 2005/06/27 14:29:43 ph10 Exp $ */
-
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2005 */
+/* Copyright (c) University of Cambridge 1995 - 2009 */
/* See the file NOTICE for conditions of use and distribution. */
/* Functions for doing things with sockets. With the advent of IPv6 this has
*************************************************/
/* This function connects a socket to a remote address and port. The socket may
-or may not have previously been bound to a local interface.
+or may not have previously been bound to a local interface. The socket is not
+closed, even in cases of error. It is expected that the calling function, which
+created the socket, will be the one that closes it.
Arguments:
sock the socket
/* There is a testing facility for simulating a connection timeout, as I
can't think of any other way of doing this. It converts a connection refused
-into a timeout.
-
-I had to add a second fudge to keep the tests working. Attempts to connect to
-10.x.x.x are expected to timeout, but sometimes they now give "No route to
-host". */
+into a timeout if the timeout is set to 999999. */
if (running_in_test_harness)
{
- if ((save_errno == ECONNREFUSED && timeout == 999999) ||
- (save_errno == EHOSTUNREACH && timeout > 0 &&
- Ustrncmp(address, "10.", 3) == 0))
+ if (save_errno == ECONNREFUSED && timeout == 999999)
{
rc = -1;
save_errno = EINTR;
/* A failure whose error code is "Interrupted system call" is in fact
an externally applied timeout if the signal handler has been run. */
-(void)close(sock);
errno = (save_errno == EINTR && sigalrm_seen)? ETIMEDOUT : save_errno;
return -1;
}