POSIX used to specify that munmap shall fail with EINVAL if the addr
argument is not a multiple of the page size, but that was changed to
may fail. Note that we conform to contemporary POSIX and include a
brief note for portable programs.
Reviewed by: brooks
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D48481
We previously claimed that non-page-aligned addresses would return
EINVAL, but the address is in fact rounded down to the page boundary.
Reported by: Harald Eilertsen <haraldei@anduin.net>
Reviewed by: brooks
Sponsored by: The FreeBSD Foundation
Fixes: dabee6fecc ("kern_descrip.c: add fdshare()/fdcopy()")
Differential Revision: https://reviews.freebsd.org/D48465
Remove core system call implementations and documentation to lib/libsys
and lib/libsys/<arch> from lib/libc/sys and lib/libc/<arch>/<sys>.
Update paths to allow libc to find them in their new home.
Reviewed by: kib, emaste, imp
Pull Request: https://github.com/freebsd/freebsd-src/pull/908
