--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FileMonitor.h	Sat Dec 02 15:02:56 2023 +0100
@@ -0,0 +1,70 @@
+/**
+ * ShaderShark
+ * Copyright © 2023 František Kučera (Frantovo.cz, GlobalCode.info)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <string>
+#include <memory>
+
+class FileMonitor;
+
+class WatchedFile {
+public:
+	class Impl;
+	WatchedFile();
+	virtual ~WatchedFile();
+	std::string getFileName() const;
+	uint32_t getMask() const;
+	FileMonitor getFileMonitor() const;
+private:
+	std::shared_ptr<Impl> impl;
+	friend FileMonitor;
+};
+
+class FileEvent {
+public:
+	std::string fileName;
+	uint32_t mask;
+	// TODO: more information, see: man 7 inotify
+};
+
+class FileMonitor {
+public:
+	class Impl;
+	FileMonitor();
+	virtual ~FileMonitor();
+	/**
+	 * @return file descriptor that can be monitored by e.g. epoll
+	 */
+	int getFD() const;
+	/**
+	 * @param fileName file to be monitored
+	 * @param mask IN_CLOSE_WRITE and other IN_*
+	 * @return monitoring will continue until any copy of this object exists
+	 */
+	WatchedFile watch(const std::string& fileName);
+	WatchedFile watch(const std::string& fileName, uint32_t mask);
+	/**
+	 * @param event object to be filled with information
+	 * @return true if event was filled, call this method until false returned
+	 */
+	bool readEvent(FileEvent& event);
+private:
+	std::shared_ptr<Impl> impl;
+	FileMonitor(std::shared_ptr<Impl> impl);
+	friend WatchedFile;
+};