Rename system::getTime() to getRuntime(). Add system::getUnixTime().

include/system.hpp

@@ -134,7 +134,10 @@ std::string getStackTrace();
 /** Returns the number of seconds since application launch.
 The goal of this function is to give the most precise (fine-grained) time differences available on the OS for benchmarking purposes, while being fast to compute.
 */
-double getTime();
+double getRuntime();
+/** Returns time since 1970-01-01 00:00:00 UTC in seconds.
+*/
+double getUnixTime();
 std::string getOperatingSystemInfo();
 
 // Applications

src/engine/Engine.cpp

@@ -340,7 +340,7 @@ static void Engine_stepModulesWorker(Engine* that, int threadId) {
 		// Start CPU timer
 		double startTime;
 		if (cpuMeter) {
-			startTime = system::getTime();
+			startTime = system::getRuntime();
 		}
 
 		// Step module
@@ -351,7 +351,7 @@ static void Engine_stepModulesWorker(Engine* that, int threadId) {
 
 		// Stop CPU timer
 		if (cpuMeter) {
-			double endTime = system::getTime();
+			double endTime = system::getRuntime();
 			float duration = endTime - startTime;
 
 			// Smooth CPU time
@@ -564,7 +564,7 @@ void Engine::step(int frames) {
 	random::init();
 
 	internal->stepFrame = internal->frame;
-	internal->stepTime = system::getTime();
+	internal->stepTime = system::getRuntime();
 	internal->stepFrames = frames;
 
 	// Set sample rate
@@ -596,7 +596,7 @@ void Engine::step(int frames) {
 
 	yieldWorkers();
 
-	double endTime = system::getTime();
+	double endTime = system::getRuntime();
 	float duration = endTime - internal->stepTime;
 	float stepDuration = internal->stepFrames * internal->sampleTime;
 	// DEBUG("%d %f / %f = %f%%", internal->stepFrames, duration, stepDuration, duration / stepDuration * 100.f);

src/logger.cpp

@@ -17,7 +17,7 @@ static std::mutex logMutex;
 
 
 void init() {
-	startTime = system::getTime();
+	startTime = system::getRuntime();
 	// Don't open a file in development mode.
 	if (settings::devMode) {
 		outputFile = stderr;
@@ -64,7 +64,7 @@ static void logVa(Level level, const char* filename, int line, const char* func,
 	if (!outputFile)
 		return;
 
-	double nowTime = system::getTime();
+	double nowTime = system::getRuntime();
 	double duration = nowTime - startTime;
 	if (outputFile == stderr)
 		std::fprintf(outputFile, "\x1B[%dm", levelColors[level]);

src/midi.cpp

@@ -31,7 +31,7 @@ void InputDevice::onMessage(const Message &message) {
 	// Set timestamp to now if unset
 	Message msg = message;
 	if (msg.timestamp == 0.0)
-		msg.timestamp = system::getTime();
+		msg.timestamp = system::getRuntime();
 
 	for (Input* input : subscribed) {
 		// We're probably in the MIDI driver's thread, so set the Rack context.

src/patch.cpp

@@ -69,10 +69,10 @@ void PatchManager::save(std::string path) {
 	// Take screenshot (disabled because there is currently no way to quickly view them on any OS or website.)
 	// APP->window->screenshot(system::join(asset::autosavePath, "screenshot.png"));
 
-	double startTime = system::getTime();
+	double startTime = system::getRuntime();
 	// Set compression level to 1 so that a 500MB/s SSD is almost bottlenecked
 	system::archiveFolder(path, asset::autosavePath, 1);
-	double endTime = system::getTime();
+	double endTime = system::getRuntime();
 	INFO("Archived patch in %lf seconds", (endTime - startTime));
 }
 
@@ -222,9 +222,9 @@ void PatchManager::load(std::string path) {
 	}
 	else {
 		// Extract the .vcv file as a .tar.zst archive.
-		double startTime = system::getTime();
+		double startTime = system::getRuntime();
 		system::unarchiveToFolder(path, asset::autosavePath);
-		double endTime = system::getTime();
+		double endTime = system::getRuntime();
 		INFO("Unarchived patch in %lf seconds", (endTime - startTime));
 	}
 

src/rtmidi.cpp

@@ -148,7 +148,7 @@ struct RtMidiOutputDevice : midi::OutputDevice {
 			else {
 				// Get earliest message
 				const midi::Message& message = messageQueue.top();
-				double duration = message.timestamp - system::getTime();
+				double duration = message.timestamp - system::getRuntime();
 
 				// If we need to wait, release the lock and wait for the timeout, or if the CV is notified.
 				// This correctly handles MIDI messages with no timestamp, because duration will be NAN.

src/system.cpp

@@ -536,7 +536,7 @@ std::string getStackTrace() {
 	static int64_t startTime = 0;
 #endif
 
-static void initTime() {
+static void initRuntime() {
 #if defined ARCH_WIN
 	assert(startCounter == 0);
 	LARGE_INTEGER counter;
@@ -564,7 +564,7 @@ static void initTime() {
 #endif
 }
 
-double getTime() {
+double getRuntime() {
 #if defined ARCH_WIN
 	LARGE_INTEGER counter;
 	QueryPerformanceCounter(&counter);
@@ -588,6 +588,12 @@ double getTime() {
 }
 
 
+double getUnixTime() {
+	auto duration = std::chrono::system_clock::now().time_since_epoch();
+	return std::chrono::duration<double>(duration).count();
+}
+
+
 std::string getOperatingSystemInfo() {
 #if defined ARCH_LIN || defined ARCH_MAC
 	struct utsname u;
@@ -656,7 +662,7 @@ void runProcessDetached(const std::string& path) {
 
 
 void init() {
-	initTime();
+	initRuntime();
 }