From addbf276f5037dc5a265a1e43e383ae1d9e9d0d8 Mon Sep 17 00:00:00 2001
From: Mark Michelson <mmichelson@digium.com>
Date: Wed, 2 Oct 2013 22:22:17 +0000
Subject: Multiple revisions 400318-400319

........
  r400318 | mmichelson | 2013-10-02 17:08:49 -0500 (Wed, 02 Oct 2013) | 12 lines

  Remove unnecessary waits from stasis.

  Since caches are updated on publisher threads, there is no need
  to wait for the cache updates to occur after a stasis message
  is published.

  In the case of chan_pjsip device state changes, this set of
  changes caused an improvement to performance.

  Review: https://reviewboard.asterisk.org/r/2890
........
  r400319 | mmichelson | 2013-10-02 17:10:54 -0500 (Wed, 02 Oct 2013) | 3 lines

  Remove svn:mergeinfo property.
........

Merged revisions 400318-400319 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@400335 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 main/stasis_wait.c | 133 -----------------------------------------------------
 1 file changed, 133 deletions(-)
 delete mode 100644 main/stasis_wait.c

(limited to 'main/stasis_wait.c')

diff --git a/main/stasis_wait.c b/main/stasis_wait.c
deleted file mode 100644
index 32b59718c..000000000
--- a/main/stasis_wait.c
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (C) 2013, Digium, Inc.
- *
- * Joshua Colp <jcolp@digium.com>
- *
- * See http://www.asterisk.org for more information about
- * the Asterisk project. Please do not directly contact
- * any of the maintainers of this project for assistance;
- * the project provides a web site, mailing lists and IRC
- * channels for your use.
- *
- * This program is free software, distributed under the terms of
- * the GNU General Public License Version 2. See the LICENSE file
- * at the top of the source tree.
- */
-
-/*! \file
- *
- * \brief Wait support for Stasis topics.
- *
- * \author Joshua Colp <jcolp@digium.com>
- */
-
-/*** MODULEINFO
-	<support_level>core</support_level>
- ***/
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include "asterisk/astobj2.h"
-#include "asterisk/stasis.h"
-
-static struct stasis_message_type *cache_guarantee_type(void);
-STASIS_MESSAGE_TYPE_DEFN(cache_guarantee_type);
-
-/*! \internal */
-struct caching_guarantee {
-	ast_mutex_t lock;
-	ast_cond_t cond;
-	unsigned int done:1;
-};
-
-static void caching_guarantee_dtor(void *obj)
-{
-	struct caching_guarantee *guarantee = obj;
-
-	ast_assert(guarantee->done == 1);
-
-	ast_mutex_destroy(&guarantee->lock);
-	ast_cond_destroy(&guarantee->cond);
-}
-
-static void guarantee_handler(void *data, struct stasis_subscription *sub,
-	struct stasis_message *message)
-{
-	/* Wait for our particular message */
-	if (data == message) {
-		struct caching_guarantee *guarantee;
-		ast_assert(cache_guarantee_type() == stasis_message_type(message));
-		guarantee = stasis_message_data(message);
-
-		ast_mutex_lock(&guarantee->lock);
-		guarantee->done = 1;
-		ast_cond_signal(&guarantee->cond);
-		ast_mutex_unlock(&guarantee->lock);
-	}
-}
-
-static struct stasis_message *caching_guarantee_create(void)
-{
-	RAII_VAR(struct caching_guarantee *, guarantee, NULL, ao2_cleanup);
-	RAII_VAR(struct stasis_message *, msg, NULL, ao2_cleanup);
-
-	if (!(guarantee = ao2_alloc(sizeof(*guarantee), caching_guarantee_dtor))) {
-		return NULL;
-	}
-
-	ast_mutex_init(&guarantee->lock);
-	ast_cond_init(&guarantee->cond, NULL);
-
-	if (!(msg = stasis_message_create(cache_guarantee_type(), guarantee))) {
-		return NULL;
-	}
-
-	ao2_ref(msg, +1);
-	return msg;
-}
-
-int stasis_topic_wait(struct stasis_topic *topic)
-{
-	RAII_VAR(struct stasis_message *, msg, NULL, ao2_cleanup);
-	RAII_VAR(struct stasis_subscription *, sub, NULL, stasis_unsubscribe);
-	struct caching_guarantee *guarantee;
-
-	msg = caching_guarantee_create();
-	if (!msg) {
-		return -1;
-	}
-
-	sub = stasis_subscribe(topic, guarantee_handler, msg);
-	if (!sub) {
-		return -1;
-	}
-
-	guarantee = stasis_message_data(msg);
-
-	ast_mutex_lock(&guarantee->lock);
-	stasis_publish(topic, msg);
-	while (!guarantee->done) {
-		ast_cond_wait(&guarantee->cond, &guarantee->lock);
-	}
-	ast_mutex_unlock(&guarantee->lock);
-	return 0;
-}
-
-static void wait_cleanup(void)
-{
-	STASIS_MESSAGE_TYPE_CLEANUP(cache_guarantee_type);
-}
-
-int stasis_wait_init(void)
-{
-	ast_register_cleanup(wait_cleanup);
-
-	if (STASIS_MESSAGE_TYPE_INIT(cache_guarantee_type) != 0) {
-		return -1;
-	}
-	return 0;
-}
-- 
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