add daemonize() function. Needs to be platform-dependent. :-/

server/Makefile

@@ -30,6 +30,7 @@ libjson-adapter.a: json-adapter.o registry.o nfc.o json_rpc.o \
     security-token.o \
     nfc_sets.o base64.o \
     nulllogger.o \
+    daemonize.o \
     json_spirit/json_spirit_reader.o json_spirit/json_spirit_value.o json_spirit/json_spirit_writer.o 
 	ar rcs $@ $^
 

server/daemonize.cc

@@ -0,0 +1,51 @@
+#include "daemonize.hh"
+
+// Unix/Linux implementation
+#include <cstdlib>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <stdexcept>
+
+void daemonize()
+{
+	/* already a daemon */
+	if ( getppid() == 1 ) return;
+
+	/* Fork off the parent process */
+	pid_t pid = fork();
+	if (pid < 0)  
+	{
+		throw std::runtime_error("Cannot fork!");
+	}   
+
+	if (pid > 0)  
+	{   
+		exit(EXIT_SUCCESS); /*Killing the Parent Process*/
+	}   
+
+	/* At this point we are executing as the child process */
+
+	/* Create a new SID for the child process */
+	pid_t sid = setsid();
+	if (sid < 0)  
+	{
+		throw std::runtime_error("Cannot call setsid()");
+	}
+
+	int fd = open("/dev/null",O_RDWR, 0);
+
+	if (fd != -1)
+	{
+		dup2 (fd, STDIN_FILENO);
+		dup2 (fd, STDOUT_FILENO);
+		dup2 (fd, STDERR_FILENO);
+
+		if (fd > 2)
+		{
+			close (fd);
+		}
+	}
+}

server/daemonize.hh

@@ -0,0 +1,8 @@
+#ifndef JSON_SERVER_ADAPTER_DAEMONIZE_HH
+#define JSON_SERVER_ADAPTER_DAEMONIZE_HH
+
+// fork(), go into background, close all ttys etc...
+// system-specific! (POSIX, Windows, ...?)
+void daemonize();
+
+#endif