Time::HiRes module: High resolution time, sleep, and alarm. Implement usleep, ualarm, and gettimeofday for Perl, as well as wrappers to implement time, sleep, and alarm that know about non-integral seconds. If your underlying operating system doesn't implement gettimeofday() or ualarm() the corresponding fu This is an improvement; the package used to not even build if you were missing any of these bits. Roderick Schertler did all this, look at HiRes.pm and the test suites; it's good educational reading. POD documentation is embedded. Copyright (c) 1996 Douglas E. Wegscheid. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.