add librt for monotonic timers, new timespec>nanoseconds word

basis/calendar/unix/unix.factor

@@ -14,6 +14,9 @@ IN: calendar.unix
 : timespec>seconds ( timespec -- seconds )
     [ sec>> seconds ] [ nsec>> nanoseconds ] bi time+ ;
 
+: timespec>nanoseconds ( timespec -- seconds )
+    [ sec>> 1000000000 * ] [ nsec>> ] bi + ;
+
 : timespec>unix-time ( timespec -- timestamp )
     timespec>seconds since-1970 ;
 

basis/unix/types/types.factor

@@ -36,6 +36,7 @@ TYPEDEF: __uint64_t fsfilcnt_t
 TYPEDEF: fsfilcnt_t __fsfilcnt_t
 TYPEDEF: __uint64_t rlim_t
 TYPEDEF: uint32_t id_t
+TYPEDEF: long clockid_t
 
 C-TYPE: DIR
 C-TYPE: FILE

basis/unix/unix.factor

@@ -5,7 +5,7 @@ USING: alien alien.c-types alien.syntax kernel libc
 sequences continuations byte-arrays strings math namespaces
 system combinators vocabs.loader accessors
 stack-checker macros locals generalizations unix.types
-io vocabs classes.struct unix.time ;
+io vocabs classes.struct unix.time alien.libraries ;
 IN: unix
 
 CONSTANT: PROT_NONE   0
@@ -220,3 +220,4 @@ FUNCTION: int utimes ( char* path, timeval[2] times ) ;
 
 FUNCTION: ssize_t write ( int fd, void* buf, size_t nbytes ) ;
 
+"librt" "librt.so" "cdecl" add-library