Use stdatomic counters where available
C11 has built-in atomics; we may as well use them to implement atomic_counter_t and speed up a little.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information
GitLab is used only for code review, issue tracking and project management. Canonical locations for source code are still https://gitweb.torproject.org/ https://git.torproject.org/ and git-rw.torproject.org.
C11 has built-in atomics; we may as well use them to implement atomic_counter_t and speed up a little.