2 files changed, 44 insertions, 7 deletions
diff --git a/src/sys/sys.cc b/src/sys/sys.cc
index dc342bd..9957408 100644
--- a/src/sys/sys.cc
+++ b/src/sys/sys.cc
@@ -14,14 +14,18 @@
 
 #else
 
+#include <unistd.h>
 #include <signal.h>
+#include <sys/time.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 
 #endif
 #include <stdlib.h>
 
-bool sys::mkdir(const char *path)
+namespace sys {
+
+bool mkdir(const char *path)
 {
 #ifdef _WIN32
 	::mkdir(path);
@@ -32,7 +36,7 @@ bool sys::mkdir(const char *path)
 #endif
 }
 
-void sys::signal(int signum, signalfunc handler)
+void signal(int signum, signalfunc handler)
 {
 #ifndef _WIN32
 	struct sigaction sa;
@@ -44,6 +48,27 @@ void sys::signal(int signum, signalfunc handler)
 #endif
 }
 
-void sys::quit(int status) {
-	exit(status);
+unsigned long time() 
+{
+#ifndef _WIN32
+	struct ::tm localtime;
+	time_t epochtime = ::time(0);
+	::localtime_r(&epochtime, &localtime);
+	return ((unsigned long) (localtime.tm_sec + localtime.tm_min*60 + localtime.tm_hour*3600));
+#else
+	retrun 0;
+#endif
+}
+
+void sleep(float seconds)
+{
+#ifndef _WIN32
+	::usleep((useconds_t) seconds * (useconds_t) 1000000.0 );
+#endif
+}
+
+void quit(int status) {
+	::exit(status);
+}
+
 }
diff --git a/src/sys/sys.h b/src/sys/sys.h
index 86642e5..dec5ab9 100644
--- a/src/sys/sys.h
+++ b/src/sys/sys.h
@@ -9,18 +9,30 @@
 
 #include "config.h"
 
+/// maximum line size throught the game
+#define MAXCMDSIZE 1024
+
 /// contains operating system dependent functions
+/** sys is a core subsystem 
+ */
 namespace sys {
 	typedef void (* signalfunc)(int signum);
 	
 	/// create a directory
-	bool mkdir(const char *path);
+	extern bool mkdir(const char *path);
 	/// intercept OS signals
-	void signal(int signum, signalfunc handler);
+	extern void signal(int signum, signalfunc handler);
 	/// quit
 	/** @param status return value
 	 */
-	void quit(int status);
+	extern void quit(int status);
+
+	/// suspend process for a number of seconds
+	extern void sleep(float seconds);
+
+	/// return the current system time of day, in seconds after midnight
+	extern unsigned long time();
+
 }
 
 #include "sys/consoleinterface.h"