From: Hyongtaek Lim <hyongtaek.lim@samsung.com>
Date: Thu, 1 Dec 2016 09:33:18 +0000 (+0900)
Subject: Re-wait at the spurious wakeup of g_cond_wait_until
X-Git-Tag: accepted/tizen/common/20161220.191015~1^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=refs%2Fchanges%2F11%2F101511%2F2;p=platform%2Fcore%2Fapi%2Fplayer.git

Re-wait at the spurious wakeup of g_cond_wait_until

Change-Id: Idb14c155c6adf9da5b2a925b00ef165dc71b8c5a
Signed-off-by: Hyongtaek Lim <hyongtaek.lim@samsung.com>
---

diff --git a/src/player.c b/src/player.c
index 785b6d4..5f63afa 100644
--- a/src/player.c
+++ b/src/player.c
@@ -1389,6 +1389,20 @@ static ret_msg_s *_get_ret_msg(muse_player_api_e api, callback_cb_info_s * cb_in
 	return NULL;
 }
 
+static void _remove_all_ret_msg(callback_cb_info_s * cb_info)
+{
+	ret_msg_s *msg = cb_info->buff.retMsgHead;
+	ret_msg_s *prev = NULL;
+	while (msg) {
+		prev = msg;
+		msg = msg->next;
+		LOGI("Remove %s", prev->msg);
+		g_free(prev->msg);
+		prev->msg = NULL;
+		g_free(prev);
+	}
+}
+
 static void _notify_disconnected(callback_cb_info_s * cb_info)
 {
 	int code = PLAYER_ERROR_SERVICE_DISCONNECTED;
@@ -1550,6 +1564,7 @@ static void callback_destroy(callback_cb_info_s * cb_info)
 	g_mutex_clear(&cb_info->seek_cb_mutex);
 
 	g_free(cb_info->buff.recvMsg);
+	_remove_all_ret_msg(cb_info);
 	if (cb_info->buff.part_of_msg)
 		g_free(cb_info->buff.part_of_msg);
 	g_free(cb_info);
@@ -1588,28 +1603,28 @@ int client_wait_for_cb_return(muse_player_api_e api, callback_cb_info_s * cb_inf
 	g_mutex_lock(&cb_info->player_mutex);
 
 	msg = _get_ret_msg(api, cb_info);
-	if (!buff->recved || !msg) {
-		if (!g_cond_wait_until(&cb_info->player_cond[api], &cb_info->player_mutex, end_time)) {
-			LOGW("api %d return msg does not received %dms", api, time_out);
-			g_mutex_unlock(&cb_info->player_mutex);
-			return PLAYER_ERROR_INVALID_OPERATION;
+	do {
+		if (!buff->recved || !msg) {
+			if (!g_cond_wait_until(&cb_info->player_cond[api], &cb_info->player_mutex, end_time)) {
+				LOGW("api %d return msg does not received %dms", api, time_out);
+				ret = PLAYER_ERROR_INVALID_OPERATION;
+				break;
+			}
 		}
-	}
-	if (!msg)
-		msg = _get_ret_msg(api, cb_info);
-	if (msg) {
-		*ret_buf = msg->msg;
-		g_free(msg);
-		if (!player_msg_get(ret, *ret_buf))
-			ret = PLAYER_ERROR_INVALID_OPERATION;
-	} else {
-		LOGE("api %d return msg is not exist", api);
-		ret = PLAYER_ERROR_INVALID_OPERATION;
-	}
-	buff->recved--;
+		if (!msg)
+			msg = _get_ret_msg(api, cb_info);
+		if (msg) {
+			*ret_buf = msg->msg;
+			buff->recved--;
+			g_free(msg);
+			if (!player_msg_get(ret, *ret_buf))
+				ret = PLAYER_ERROR_INVALID_OPERATION;
+		} else {
+			LOGE("api %d is the spurious wakeup", api);
+		}
+	} while (!msg);
 
 	g_mutex_unlock(&cb_info->player_mutex);
-
 	return ret;
 }