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authorKarl Williamson <khw@cpan.org>2020-12-01 07:17:21 -0700
committerKarl Williamson <khw@cpan.org>2020-12-19 22:00:29 -0700
commit57d4826ad702b8c483b826af1c82f52ce64651ff (patch)
tree5a444073079a27a71358f810d54fc2dc726a6abd /uconfig.h
parent7510ca24a0ab79a6cf9eb76f13117b4e4d18051e (diff)
downloadperl-57d4826ad702b8c483b826af1c82f52ce64651ff.tar.gz
perl.h: Add capability for many-reader ENV mutex locking
There are several places where there could be a problem in the environment were changed by another thread when a function is executing, but otherwise if another thread were reading the environment at the same time, there isn't a problem. This adds mutex for that situation. Future commits will take advantage of it.
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