menu: use boost::shared_mutex

Use everywhere a mutable boost::shared_mutex to enable locking during
const getter and the multiple reader and single writer pattern.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/menu/event_manager.cpp b/src/menu/event_manager.cpp
index 83aee360..bc7168af 100644
--- a/src/menu/event_manager.cpp
+++ b/src/menu/event_manager.cpp
@@ -37,7 +37,7 @@ namespace usdx
 
 	EventManager::~EventManager(void)
 	{
-		boost::mutex::scoped_lock lock(mutex);
+		boost::unique_lock<boost::shared_mutex> lock(mutex);
 
 		while (waiting > 0) {
 			--waiting;
@@ -57,7 +57,7 @@ namespace usdx
 
 	void EventManager::add_event(const SDL_Event& event)
 	{
-		boost::mutex::scoped_lock lock(mutex);
+		boost::unique_lock<boost::shared_mutex> lock(mutex);
 
 		not_full.wait(lock, boost::bind(&EventManager::is_not_full, this));
 
@@ -70,7 +70,7 @@ namespace usdx
 
 	void EventManager::get_next_event(SDL_Event& event)
 	{
-		boost::mutex::scoped_lock lock(mutex);
+		boost::unique_lock<boost::shared_mutex> lock(mutex);
 
 		not_empty.wait(lock, boost::bind(&EventManager::is_not_empty, this));
 
@@ -84,7 +84,7 @@ namespace usdx
 
 	bool EventManager::available(void)
 	{
-		boost::mutex::scoped_lock lock(mutex);
+		boost::shared_lock<boost::shared_mutex> lock(mutex);
 		return waiting < buffer.capacity();
 	}