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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. Note: the tests of this module are by definition time sensitive: under heavy loads the tests may fail. Reasonable relaxed criteria are being used for the tests but sometimes you may still see transient failures. Rerun the tests (make test) a couple of times, preferably with less load on the testing machine. Also, older versions of Perl do not support '-nolinenumbers' on the XSUBPP command, however, 5.004_03 requires it (on my box, anyway) since the #line generating code in XSUBPP appears to have problems with #ifdef'd .xs code. If xsubpp complains about usage when you do a make, look at the top of the Makefile.PL and comment out the "$XSOPT=" line. Or upgrade to a newer version of Perl. POD documentation is embedded. Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002 Douglas E. Wegscheid. Copyright (c) 2002, 2003, 2004, 2005 Jarkko Hietaniemi. All rights reserved. Copyright (C) 2011, 2012, 2013 Andrew Main (Zefram) <zefram@fysh.org> All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.