Implemented Application::Daemonize method

base/application.cpp

@@ -108,6 +108,50 @@ void Application::RunEventLoop(void)
 	}
 }
 
+bool Application::Daemonize(void) {
+#ifndef _WIN32
+	pid_t pid;
+	pid_t sid;
+	int fd;
+
+	pid = fork();
+	if (pid == -1) {
+		return false;
+	}
+
+	if (pid) {
+		fprintf(stdout, "DONE\n");
+		exit(0);
+	}
+
+	fd = open("/dev/null", O_RDWR);
+	if (fd) {
+		if (fd != 0) {
+			dup2(fd, 0);
+		}
+
+		if (fd != 1) {
+			dup2(fd, 1);
+		}
+
+		if (fd != 2) {
+			dup2(fd, 2);
+		}
+
+		if (fd > 2) {
+			close(fd);
+		}
+	}
+
+	sid = setsid();
+	if (sid == -1) {
+		return false;
+	}
+#endif
+
+	return true;
+}
+
 void Application::Shutdown(void)
 {
 	m_ShuttingDown = true;

base/application.h

@@ -22,6 +22,7 @@ public:
 	virtual int Main(const vector<string>& args) = 0;
 
 	void RunEventLoop(void);
+	bool Daemonize(void);
 	void Shutdown(void);
 };