lib/std/auto_reset_event.zig | 44 ++++++++++++++++----------------
 src/Event.zig                | 43 +++++++++++++++++++++++++++++++
 src/ThreadPool.zig           |  5 ++++
 src/WaitGroup.zig            | 24 +++++++++++------
 4 files changed, 86 insertions(+), 30 deletions(-)