On Sun, 26 Nov 2006, Daniel Stenberg wrote:

> I still consider my suggested approach the "proper" fix for this

While waiting for a proper fix, I think this one works (but still does the
connect from server in a blocking manner):

diff -u -r1.382 ftp.c
--- lib/ftp.c 17 Oct 2006 21:32:56 -0000 1.382
+++ lib/ftp.c 2 Dec 2006 21:23:33 -0000
@@ -1168,6 +1168,15 @@

  #endif /* end of ipv4-specific code */

+ /* this tcpconnect assignment below is a hackish work-around to make the
+ multi interface with active FTP work - as it will not wait for a
+ (passive) connect in Curl_is_connected().
+
+ The *proper* fix is to make sure that the active connection from the
+ server is done in a non-blocking way. Currently, it is still BLOCKING.
+ */
+ conn->bits.tcpconnect = TRUE;
+
    state(conn, FTP_PORT);
    return result;
  }

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