Disable signal handler on Mac. Debug pixel ratios.

src/main.cpp

@@ -29,9 +29,10 @@ using namespace rack;
 static void fatalSignalHandler(int sig) {
 	// Only catch one signal
 	static bool caught = false;
-	if (caught)
-		exit(1);
+	bool localCaught = caught;
 	caught = true;
+	if (localCaught)
+		exit(1);
 
 	FATAL("Fatal signal %d. Stack trace:\n%s", sig, system::getStackTrace().c_str());
 
@@ -81,11 +82,14 @@ int main(int argc, char *argv[]) {
 	asset::init(devMode);
 	logger::init(devMode);
 	// We can now install a signal handler and log the output
+	// Mac has its own decent crash handler
+#if defined ARCH_LIN || defined ARCH_WIN
 	signal(SIGABRT, fatalSignalHandler);
 	signal(SIGFPE, fatalSignalHandler);
 	signal(SIGILL, fatalSignalHandler);
 	signal(SIGSEGV, fatalSignalHandler);
 	signal(SIGTERM, fatalSignalHandler);
+#endif
 
 	// Log environment
 	INFO("%s v%s", app::APP_NAME, app::APP_VERSION);

src/system.cpp

@@ -123,7 +123,7 @@ std::string getStackTrace() {
 	stackLen = backtrace(stack, stackLen);
 	char **strings = backtrace_symbols(stack, stackLen);
 
-	for (int i = 0; i < stackLen; i++) {
+	for (int i = 1; i < stackLen; i++) {
 		s += string::f("%d: %s\n", stackLen - i - 1, strings[i]);
 	}
 	free(strings);
@@ -136,7 +136,7 @@ std::string getStackTrace() {
 	symbol->MaxNameLen = 255;
 	symbol->SizeOfStruct = sizeof(SYMBOL_INFO);
 
-	for (int i = 0; i < stackLen; i++) {
+	for (int i = 1; i < stackLen; i++) {
 		SymFromAddr(process, (DWORD64) stack[i], 0, symbol);
 		s += string::f("%d: %s 0x%0x\n", stackLen - i - 1, symbol->Name, symbol->Address);
 	}

src/window.cpp

@@ -200,7 +200,7 @@ Window::Window() {
 	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
 #endif
 	glfwWindowHint(GLFW_DOUBLEBUFFER, GLFW_TRUE);
-	glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
+	// glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
 
 	// Create window
 	win = glfwCreateWindow(800, 600, "", NULL, NULL);
@@ -362,6 +362,7 @@ void Window::run() {
 		glfwGetWindowSize(win, &winWidth, &winHeight);
 		windowRatio = (float)fbWidth / winWidth;
 
+		DEBUG("%f %f", pixelRatio, windowRatio);
 		// Resize scene
 		APP->event->rootWidget->box.size = math::Vec(fbWidth, fbHeight).div(pixelRatio);