strerror[_r]() is allowed to be cancellation point, because it's implementation ...

		dfox on June 26, 2019 \| parent \| context \| favorite \| on: Rich Felker of musl libc comments on Google's LLVM... strerror[_r]() is allowed to be cancellation point, because it's implementation may involve calls to read() which is required to be cancellation point.