-/* Setup file locking macros */
-#if !defined( ldap_lockf ) && HAVE_LOCKF && defined( F_LOCK )
-# define ldap_lockf(x) lockf(fileno(x), F_LOCK, 0)
-# define ldap_unlockf(x) lockf(fileno(x), F_ULOCK, 0)
-#endif
-
-#if !defined( ldap_lockf ) && HAVE_FCNTL
-# ifdef HAVE_FCNTL_H
-# include <fcntl.h>
-# endif
-
-# ifdef F_WRLCK
-# ifndef NEED_FCNTL_LOCKING
-# define NEED_FCNTL_LOCKING
-# endif
-# include <lutil_lockf.h>
-# define ldap_lockf(x) lutil_lockf(x)
-# define ldap_unlockf(x) lutil_unlockf(x)
-# endif
-#endif
-
-#if !defined( ldap_lockf ) && HAVE_FLOCK
-# if HAVE_SYS_FILE_H
-# include <sys/file.h>
-# endif
-# ifdef LOCK_EX
-# define ldap_lockf(x) flock(fileno(x), LOCK_EX)
-# define ldap_unlockf(x) flock(fileno(x), LOCK_UN)
-# endif
-#endif
+/*
+ * Windows: although sleep() will be resolved by both MSVC and Mingw GCC
+ * linkers, the function is not declared in header files. This is
+ * because Windows' version of the function is called _sleep(), and it
+ * is declared in stdlib.h
+ */