Make events threadsafe (gazebo9) #3064
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- Initial connection (insert) and cleanup (remove) locked with mutex - Signal (access) checks for object not null before attempting to access (not locking because would need recursive mutex) - Declare mutex as mutable so EventCount const method can block it - Include race condition test to play with connections inside an event (contribution by Sonia Jin from AWS, back port of #3042) Co-authored-by: Jose Luis Rivero <jrivero@osrfoundation.org>
caguero
approved these changes
Aug 16, 2021
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Back port of #3042
Original author is @lihui815