alt Hacker News>fcntl(fd, F_GETLK, &lock), fcntl(fd, F_SETLK, &lock), and fcntl(fd, F_SETLKW, &lock)
There's also `flock`, the CLI utility in util-linux, that allows using flocks in shell scripts.
Replies
pjmlp • yesterday at 2:14 PM
In UNIX/POSIX file locks are advisory, not enforced, it only works if all processes play ball.
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zbentley • yesterday at 3:58 PM
Aren’t flock and POSIX locks backed by totally different systems?
What are flocks in this context? Surely not a number of sheep...