structering the core some more

core/time.h

@@ -0,0 +1,29 @@
+/*
+| time.h from Lsyncd -- the Live (Mirror) Syncing Demon
+|
+|
+| Time keeping.
+|
+|
+| License: GPLv2 (see COPYING) or any later version
+| Authors: Axel Kittenberger <axkibe@gmail.com>
+*/
+#ifndef LSYNCD_TIME_H
+#define LSYNCD_TIME_H
+
+// time comparisons - wrap around safe
+#define time_after(a,b)         ((long)(b) - (long)(a) < 0)
+#define time_before(a,b)        time_after(b,a)
+#define time_after_eq(a,b)      ((long)(a) - (long)(b) >= 0)
+#define time_before_eq(a,b)     time_after_eq(b,a)
+
+// Returns the current time.
+extern clock_t now( );
+
+// Returns (on Lua stack) the current kernels clock state( jiffies ).
+extern int l_now(lua_State *L);
+
+// Registers the jiffies meta table in a Lua state.
+extern void register_jiffies( lua_State *L );
+
+#endif