Module: sip-router Branch: 3.1 Commit: 084da0afc666fef6f92c00754bbfb3c192751ff6 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=084da0a… Author: Timo Reimann &lt;timo.reimann(a)1und1.de&gt; Committer: Timo Reimann &lt;timo.reimann(a)1und1.de&gt; Date: Thu Aug 25 13:26:32 2011 +0200 modules_k/dialog: Provide in-code documentation for tricky part in dlg_new_dialog(). (cherry picked from commit d903b7707d1f9c5ecb4110de9ab9d8a573a6f8cd) --- modules_k/dialog/dlg_handlers.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/modules_k/dialog/dlg_handlers.c b/modules_k/dialog/dlg_handlers.c index 3942b44..471f470 100644 --- a/modules_k/dialog/dlg_handlers.c +++ b/modules_k/dialog/dlg_handlers.c @@ -796,10 +796,14 @@ finish: ref_dlg(dlg, 1); if (t) { + // transaction exists ==> keep ref counter large enough to + // avoid premature cleanup and ensure proper dialog referencing store_dlg_in_tm( msg, t, dlg); } else { + // no transaction exists ==> postpone work until we see the + // request being forwarded statefully if ( d_tmb.register_tmcb( msg, NULL, TMCB_REQUEST_FWDED, store_dlg_in_tm_cb, (void*)dlg, NULL)<0 ) { LM_ERR("failed to store dialog in transaction during dialog creation for later reference\n");