Changes in version 1.2.0 (2025-03-28) - Timed wait now has sub-second resolution. Changes in version 1.1.0 (2025-03-18) - Timed wait now available with e.g. decrement_semaphore(wait = 10). Changes in version 1.0.2 (2024-11-13) - Support for R 2.0.0 or greater. Changes in version 1.0.1 (2024-11-11) - Updated DESCRIPTION according to CRAN comments. Changes in version 1.0.0 - Initial CRAN submission.