Make all mutex locks const, as per linter warning

9 files changed, 40 insertions, 40 deletions

diff --git a/src/atomic.h b/src/atomic.h
index 7ca5d1e..a29eeee 100644
--- a/src/atomic.h
+++ b/src/atomic.h
@@ -69,7 +69,7 @@ public:
 		: data{}
 		, mutex{}
 	{
-		std::lock_guard<std::mutex> lock{other.mutex};
+		const std::lock_guard<std::mutex> lock{other.mutex};
 		data = other.data;
 	}
 
@@ -77,13 +77,13 @@ public:
 		: data{}
 		, mutex{}
 	{
-		std::lock_guard<std::mutex> lock{other.mutex};
+		const std::lock_guard<std::mutex> lock{other.mutex};
 		std::swap(data, other.data);
 	}
 
 	T operator=(T data)
 	{
-		std::lock_guard<std::mutex> lock{mutex};
+		const std::lock_guard<std::mutex> lock{mutex};
 		this->data = std::move(data);
 		return this->data;
 	}
@@ -100,42 +100,42 @@ public:
 
 	void store(T data)
 	{
-		std::lock_guard<std::mutex> lock{mutex};
+		const std::lock_guard<std::mutex> lock{mutex};
 		this->data = std::move(data);
 	}
 
 	T load() const {
-		std::lock_guard<std::mutex> lock{mutex};
+		const std::lock_guard<std::mutex> lock{mutex};
 		return data;
 	}
 
 	T exchange(T data){
-		std::lock_guard<std::mutex> lock{mutex};
+		const std::lock_guard<std::mutex> lock{mutex};
 		std::swap(data, this->data);
 		return data;
 	}
 
 	bool operator==(const T& other) const
 	{
-		std::lock_guard<std::mutex> lock{mutex};
+		const std::lock_guard<std::mutex> lock{mutex};
 		return other == data;
 	}
 
 	bool operator!=(const T& other) const
 	{
-		std::lock_guard<std::mutex> lock{mutex};
+		const std::lock_guard<std::mutex> lock{mutex};
 		return !(other == data);
 	}
 
 	bool operator==(const Atomic<T>& other) const
 	{
-		std::lock_guard<std::mutex> lock{mutex};
+		const std::lock_guard<std::mutex> lock{mutex};
 		return other.load() == data;
 	}
 
 	bool operator!=(const Atomic<T>& other) const
 	{
-		std::lock_guard<std::mutex> lock{mutex};
+		const std::lock_guard<std::mutex> lock{mutex};
 		return !(other.load() == data);
 	}
 
diff --git a/src/audiocacheeventhandler.cc b/src/audiocacheeventhandler.cc
index e1b9868..06bbf6e 100644
--- a/src/audiocacheeventhandler.cc
+++ b/src/audiocacheeventhandler.cc
@@ -179,7 +179,7 @@ size_t AudioCacheEventHandler::getChunkSize() const
 
 AudioCacheFile& AudioCacheEventHandler::openFile(const std::string& filename)
 {
-	std::lock_guard<std::mutex> lock(mutex);
+	const std::lock_guard<std::mutex> lock(mutex);
 	return files.getFile(filename);
 }
 
@@ -207,7 +207,7 @@ void AudioCacheEventHandler::handleLoadNextEvent(CacheEvent& cache_event)
 
 void AudioCacheEventHandler::handleCloseEvent(CacheEvent& cache_event)
 {
-	std::lock_guard<std::mutex> lock(mutex);
+	const std::lock_guard<std::mutex> lock(mutex);
 	handleCloseCache(cache_event.id);
 }
 
@@ -272,7 +272,7 @@ void AudioCacheEventHandler::pushEvent(CacheEvent& cache_event)
 	}
 
 	{
-		std::lock_guard<std::mutex> lock(mutex);
+		const std::lock_guard<std::mutex> lock(mutex);
 
 		bool found = false;
 
diff --git a/src/audiocacheidmanager.cc b/src/audiocacheidmanager.cc
index 91a1457..693ed3c 100644
--- a/src/audiocacheidmanager.cc
+++ b/src/audiocacheidmanager.cc
@@ -37,7 +37,7 @@ AudioCacheIDManager::~AudioCacheIDManager()
 
 void AudioCacheIDManager::init(unsigned int capacity)
 {
-	std::lock_guard<std::mutex> guard(mutex);
+	const std::lock_guard<std::mutex> guard(mutex);
 
 	id2cache.resize(capacity);
 	available_ids.resize(capacity);
@@ -49,7 +49,7 @@ void AudioCacheIDManager::init(unsigned int capacity)
 
 cache_t& AudioCacheIDManager::getCache(cacheid_t id)
 {
-	std::lock_guard<std::mutex> guard(mutex);
+	const std::lock_guard<std::mutex> guard(mutex);
 
 	assert(id != CACHE_NOID);
 	assert(id != CACHE_DUMMYID);
@@ -62,7 +62,7 @@ cache_t& AudioCacheIDManager::getCache(cacheid_t id)
 
 cacheid_t AudioCacheIDManager::registerID(const cache_t& cache)
 {
-	std::lock_guard<std::mutex> guard(mutex);
+	const std::lock_guard<std::mutex> guard(mutex);
 
 	cacheid_t id = CACHE_NOID;
 
@@ -86,7 +86,7 @@ cacheid_t AudioCacheIDManager::registerID(const cache_t& cache)
 
 void AudioCacheIDManager::releaseID(cacheid_t id)
 {
-	std::lock_guard<std::mutex> guard(mutex);
+	const std::lock_guard<std::mutex> guard(mutex);
 
 	assert(id2cache[id].id != CACHE_NOID); // Test if it wasn't already released.
 
@@ -97,7 +97,7 @@ void AudioCacheIDManager::releaseID(cacheid_t id)
 
 void AudioCacheIDManager::disableActive()
 {
-	// Run through all active cache_ts and disable them.
+	// Run through all active CacheBuffers and disable them.
 	for(auto& cache : id2cache)
 	{
 		if(cache.id != CACHE_NOID)
diff --git a/src/audiofile.cc b/src/audiofile.cc
index 2d61eb5..3f59fcf 100644
--- a/src/audiofile.cc
+++ b/src/audiofile.cc
@@ -61,7 +61,7 @@ bool AudioFile::isValid() const
 void AudioFile::unload()
 {
 	// Make sure we don't unload the object while loading it...
-	std::lock_guard<std::mutex> guard(mutex);
+	const std::lock_guard<std::mutex> guard(mutex);
 
 	is_loaded = false;
 
@@ -76,7 +76,7 @@ void AudioFile::unload()
 void AudioFile::load(LogFunction logger, std::size_t sample_limit)
 {
 	// Make sure we don't unload the object while loading it...
-	std::lock_guard<std::mutex> guard(mutex);
+	const std::lock_guard<std::mutex> guard(mutex);
 
 	if(this->data) // already loaded
 	{
diff --git a/src/drumgizmo.cc b/src/drumgizmo.cc
index bd729ab..85624ca 100644
--- a/src/drumgizmo.cc
+++ b/src/drumgizmo.cc
@@ -391,7 +391,7 @@ void DrumGizmo::getSamples(int ch, int pos, sample_t* s, size_t sz)
 
 		{
 			// TODO: We should make all audiofiles reference counted and get rid of this lock.
-			std::lock_guard<std::mutex> guard(af.mutex);
+			const std::lock_guard<std::mutex> guard(af.mutex);
 
 			renderSampleEvent(sample_event, pos, s, sz);
 
diff --git a/src/drumkitloader.cc b/src/drumkitloader.cc
index 9167201..d73efff 100644
--- a/src/drumkitloader.cc
+++ b/src/drumkitloader.cc
@@ -93,7 +93,7 @@ void DrumKitLoader::deinit()
 		framesize_semaphore.post();
 
 		{
-			std::lock_guard<std::mutex> guard(mutex);
+			const std::lock_guard<std::mutex> guard(mutex);
 			load_queue.clear();
 		}
 
@@ -301,13 +301,13 @@ void DrumKitLoader::loadKitAudio(const DrumKit& kit)
 
 void DrumKitLoader::skip()
 {
-	std::lock_guard<std::mutex> guard(mutex);
+	const std::lock_guard<std::mutex> guard(mutex);
 	load_queue.clear();
 }
 
 void DrumKitLoader::setFrameSize(std::size_t framesize)
 {
-	std::lock_guard<std::mutex> guard(mutex);
+	const std::lock_guard<std::mutex> guard(mutex);
 	this->framesize = framesize;
 	framesize_semaphore.post(); // Signal that the framesize has been set.
 }
@@ -324,7 +324,7 @@ void DrumKitLoader::thread_main()
 	{
 		std::size_t size;
 		{
-			std::lock_guard<std::mutex> guard(mutex);
+			const std::lock_guard<std::mutex> guard(mutex);
 			size = load_queue.size();
 		}
 
@@ -367,7 +367,7 @@ void DrumKitLoader::thread_main()
 
 		std::string filename;
 		{
-			std::lock_guard<std::mutex> guard(mutex);
+			const std::lock_guard<std::mutex> guard(mutex);
 
 			if(load_queue.size() == 0)
 			{
diff --git a/src/midimapper.cc b/src/midimapper.cc
index b9316c5..345ce2f 100644
--- a/src/midimapper.cc
+++ b/src/midimapper.cc
@@ -30,7 +30,7 @@ std::vector<int> MidiMapper::lookup(int note_id)
 {
 	std::vector<int> instruments;
 
-	std::lock_guard<std::mutex> guard(mutex);
+	const std::lock_guard<std::mutex> guard(mutex);
 
 	for(const auto& map_entry : midimap)
 	{
@@ -49,7 +49,7 @@ std::vector<int> MidiMapper::lookup(int note_id)
 
 void MidiMapper::swap(instrmap_t& instrmap, midimap_t& midimap)
 {
-	std::lock_guard<std::mutex> guard(mutex);
+	const std::lock_guard<std::mutex> guard(mutex);
 
 	std::swap(this->instrmap, instrmap);
 	std::swap(this->midimap, midimap);
diff --git a/src/syncedsettings.h b/src/syncedsettings.h
index 0fe5efd..d12277a 100644
--- a/src/syncedsettings.h
+++ b/src/syncedsettings.h
@@ -64,7 +64,7 @@ public:
 		: mutex{}
 		, data{}
 	{
-		std::lock_guard<std::mutex> lock{other.mutex};
+		const std::lock_guard<std::mutex> lock{other.mutex};
 		data = other.data;
 	}
 
@@ -72,7 +72,7 @@ public:
 		: mutex{}
 		, data{}
 	{
-		std::lock_guard<std::mutex> lock{other.mutex};
+		const std::lock_guard<std::mutex> lock{other.mutex};
 		std::swap(data, other.data);
 	}
 
@@ -80,19 +80,19 @@ public:
 	{
 		if (*this != &other)
 		{
-			std::lock_guard<std::mutex> lock{mutex};
-			std::lock_guard<std::mutex> lock2{other.mutex};
+			const std::lock_guard<std::mutex> lock{mutex};
+			const std::lock_guard<std::mutex> lock2{other.mutex};
 			data = other.data;
 		}
 		return *this;
 	}
-	
+
 	Group<T>& operator=(Group<T>&& other)
 	{
 		if (*this != &other)
 		{
-			std::lock_guard<std::mutex> lock{mutex};
-			std::lock_guard<std::mutex> lock2{other.mutex};
+			const std::lock_guard<std::mutex> lock{mutex};
+			const std::lock_guard<std::mutex> lock2{other.mutex};
 			std::swap(data, other.data);
 		}
 		return *this;
@@ -100,7 +100,7 @@ public:
 
 	operator T() const
 	{
-		std::lock_guard<std::mutex> lock{mutex};
+		const std::lock_guard<std::mutex> lock{mutex};
 		return data;
 	}
 };
diff --git a/src/translation.cc b/src/translation.cc
index 18763e4..c71f6c0 100644
--- a/src/translation.cc
+++ b/src/translation.cc
@@ -62,13 +62,13 @@ bool comparator(const Text& a, const Text& b)
 
 Translation::Translation()
 {
-	std::lock_guard<std::mutex>(singleton.mutex);
+	const std::lock_guard<std::mutex> lock(singleton.mutex);
 	++singleton.refcnt;
 }
 
 Translation::~Translation()
 {
-	std::lock_guard<std::mutex>(singleton.mutex);
+	const std::lock_guard<std::mutex> lock(singleton.mutex);
 
 	--singleton.refcnt;
 
@@ -219,7 +219,7 @@ bool Translation::load(const char* catalog, std::size_t size)
 	std::sort(texts.begin(), texts.end(), comparator);
 
 	{
-		std::lock_guard<std::mutex>(singleton.mutex);
+		const std::lock_guard<std::mutex> lock(singleton.mutex);
 		std::swap(singleton.texts, texts);
 	}
 
@@ -228,7 +228,7 @@ bool Translation::load(const char* catalog, std::size_t size)
 
 const char* Translation::gettext(std::uint64_t msgid, const char* original)
 {
-	std::lock_guard<std::mutex>(singleton.mutex);
+	const std::lock_guard<std::mutex> lock(singleton.mutex);
 	if(singleton.refcnt == 0)
 	{
 		return original;