fix race condition on destroying signaling thread in h323 library

src/mod/endpoints/mod_h323/changes.txt

+fix race condition on destroying signaling thread in h323 library
 Adds an extra switch_rtp_destroy or switch_rtp_release_port when a session ends 
     - to make sure the port is returned to FS. thx to Peter Olsson.
 fix issues with Progress message type if pre_answer enabled

src/mod/endpoints/mod_h323/mod_h323.cpp

 /* 
- * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
- * Copyright (C) 2005-2011, Anthony Minessale II <anthm@freeswitch.org>
+ * H323 endpoint interface for Freeswitch Modular Media Switching Software Library /
+ * Soft-Switch Application
  *
  * Version: MPL 1.1
  *
+ * Copyright (c) 2010 Ilnitskiy Mixim (max.h323@gmail.com)
+ * Copyright (c) 2010 Georgiewskiy Yuriy (bottleman@icf.org.ru)
+ *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
@@ -14,6 +17,11 @@
  * for the specific language governing rights and limitations under the
  * License.
  *
+ * Contributor(s):
+ * 
+ * 
+ * 
+ *
  * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
  *
  * The Initial Developer of the Original Code is
@@ -24,7 +32,7 @@
  *
  * mod_h323.cpp -- H323 endpoint
  *
- *	Version 0.0.56
+ *	Version 0.0.57
 */
 
 //#define DEBUG_RTP_PACKETS
@@ -708,6 +716,7 @@ FSH323Connection::FSH323Connection(FSH323EndPoint& endpoint, H323Transport* tran
 
 	h323_private_t *tech_pvt = (h323_private_t *) switch_core_session_alloc(m_fsSession, sizeof(*tech_pvt));
 	tech_pvt->me = this;
+	tech_pvt->active_connection = true;
 	switch_core_session_set_private(m_fsSession, tech_pvt);
 	
 	switch_mutex_init(&tech_pvt->flag_mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(m_fsSession));
@@ -748,8 +757,9 @@ FSH323Connection::~FSH323Connection()
 	} else if (m_RTPlocalPort) {
 		switch_rtp_release_port((const char *)m_RTPlocalIP.AsString(), m_RTPlocalPort);
 	}
-
+	
 	tech_pvt->me = NULL;
+	tech_pvt->active_connection = false;
 //	switch_mutex_unlock(tech_pvt->h323_mutex);
 //	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG,"------------->h323_mutex_unlock\n");
 }	
@@ -2387,6 +2397,9 @@ static switch_status_t on_hangup(switch_core_session_t *session)
 	switch_mutex_lock(tech_pvt->h323_mutex);
 	switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG,"------------->h323_mutex_unlock\n");
 	switch_mutex_unlock(tech_pvt->h323_mutex);
-
+	while (tech_pvt->active_connection){
+		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Wait clear h323 connection\n");
+		h_timer(1);
+	}
 	return SWITCH_STATUS_SUCCESS;
 }

src/mod/endpoints/mod_h323/mod_h323.h

 /* 
- * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
- * Copyright (C) 2005-2011, Anthony Minessale II <anthm@freeswitch.org>
+ * H323 endpoint interface for Freeswitch Modular Media Switching Software Library /
+ * Soft-Switch Application
  *
  * Version: MPL 1.1
  *
+ * Copyright (c) 2010 Ilnitskiy Mixim (max.h323@gmail.com)
+ * Copyright (c) 2010 Georgiewskiy Yuriy (bottleman@icf.org.ru)
+ *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
@@ -14,6 +17,11 @@
  * for the specific language governing rights and limitations under the
  * License.
  *
+ * Contributor(s):
+ * 
+ * 
+ * 
+ *
  * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
  *
  * The Initial Developer of the Original Code is
@@ -24,7 +32,8 @@
  *
  * mod_h323.h -- H323 endpoint
  *
- */
+ *	Version 0.0.57
+*/
 
 #if defined(__GNUC__) && defined(HAVE_VISIBILITY)
 #pragma GCC visibility push(default)
@@ -184,6 +193,7 @@ typedef struct {
 	switch_mutex_t *h323_io_mutex;
 
 	FSH323Connection *me;
+	bool			active_connection;
 	char			*token;
 } h323_private_t;