WIP: added some code.

CMakeLists.txt

@@ -0,0 +1,32 @@
+# Minimal version of CMake
+cmake_minimum_required (VERSION 2.6)
+
+# Build type
+if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+	message(STATUS "Setting build type to 'Debug' as none was specified.")
+	set(CMAKE_BUILD_TYPE Debug CACHE STRING "Choose the type of build." FORCE)
+	# Set the possible values of build type for cmake-gui
+	set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
+		"MinSizeRel" "RelWithDebInfo")
+endif ()
+
+# Define project name
+project (Daemon)
+
+# The version number
+set (${PROJECT_NAME}_VERSION_MAJOR 0)
+set (${PROJECT_NAME}_VERSION_MINOR 1)
+set (${PROJECT_NAME}_PATCH_LEVEL 0)
+
+set (${PROJECT_NAME}_VERSION
+	"${${PROJECT_NAME}_VERSION_MAJOR}.${${PROJECT_NAME}_VERSION_MINOR}")
+
+# Set up directory with 3rd party cmake modules
+set (CMAKE_MODULE_PATH
+	${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/build_files/cmake/modules/")
+
+# Set output directory for binaries
+set (EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin/)
+
+# Set up required subdirectories
+add_subdirectory (src)

README.md

@@ -1,2 +1,4 @@
-# daemon
-Simple example of daemon for linux
+# Example of Linux Daemon
+
+This repository contains simple example of daemon for Linux OS.
+

src/CMakeLists.txt

@@ -0,0 +1,12 @@
+set (daemon_src daemon.c)
+
+# Make build flags compiler specific
+if (CMAKE_COMPILER_IS_GNUCC)
+	if (CMAKE_BUILD_TYPE STREQUAL "Debug")
+		set (CMAKE_C_FLAGS "-D_REETRANT -ggdb -fPIC -Wall -Wextra -pedantic -O0")
+	elseif( CMAKE_BUILD_TYPE STREQUAL "Release" )
+		set (CMAKE_C_FLAGS "-D_REETRANT -DNDEBUG -fPIC -Wall -Wextra -pedantic -O3")
+	endif ()
+endif (CMAKE_COMPILER_IS_GNUCC)
+
+add_executable (daemon ${daemon_src})

src/daemon.c

@@ -0,0 +1,85 @@
+/*
+ *
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * 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, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ *
+ * Contributor(s): Jiri Hnidek <jiri.hnidek@tul.cz>.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <syslog.h>
+#include <signal.h>
+#include <getopt.h>
+
+static int running = 0;
+static int delay = 1;
+static int counter = 0;
+
+/**
+ * \brief Callback function for handling signals.
+ * \param	sig	identifier of signal
+ */
+void vs_handle_signal(int sig)
+{
+	if(sig == SIGINT) {
+		running = 0;
+
+		/* Reset signal handling to default behavior */
+		signal(SIGINT, SIG_DFL);
+	}
+}
+
+int main(int argc, char *argv[])
+{
+	static struct option long_options[] = {
+		{"confile", required_argument, 0, 'c'},
+		{NULL, 0, 0, 0}
+	};
+	int value, option_index = 0;
+
+	while( (value = getopt_long(argc, argv, "c:", long_options, &option_index)) != -1) {
+		switch(value) {
+			case 'c':
+				printf("option -c %s\n", optarg);
+				break;
+			case '?':
+				break;
+			default:
+				break;
+		}
+	}
+
+	running = 1;
+
+	openlog(argv[0], LOG_PID|LOG_CONS, LOG_USER);
+	signal(SIGINT, vs_handle_signal);
+
+	syslog(LOG_INFO, "Started %s", argv[0]);
+	while(running == 1) {
+		fprintf(stdout, "Debug: %d\n", counter++);
+		sleep(delay);
+	}
+
+	syslog(LOG_INFO, "Stoped %s", argv[0]);
+	closelog();
+
+	return EXIT_SUCCESS;
+}