In message <202004122123.03clnk82073...@repo.freebsd.org>, Kyle Evans writes: > Author: kevans > Date: Sun Apr 12 21:23:19 2020 > New Revision: 359836 > URL: https://svnweb.freebsd.org/changeset/base/359836 > > Log: > Implement a close_range(2) syscall > > close_range(min, max, flags) allows for a range of descriptors to be > closed. The Python folk have indicated that they would much prefer this > interface to closefrom(2), as the case may be that they/someone have specia > l > fds dup'd to higher in the range and they can't necessarily closefrom(min) > because they don't want to hit the upper range, but relocating them to lowe > r > isn't necessarily feasible. > > sys_closefrom has been rewritten to use kern_close_range() using ~0U to > indicate closing to the end of the range. This was chosen rather than > requiring callers of kern_close_range() to hold FILEDESC_SLOCK across the > call to kern_close_range for simplicity. > > The flags argument of close_range(2) is currently unused, so any flags set > is currently EINVAL. It was added to the interface in Linux so that future > flags could be added for, e.g., "halt on first error" and things of this > nature. > > This patch is based on a syscall of the same design that is expected to be > merged into Linux. > > Reviewed by: kib, markj, vangyzen (all slightly earlier revisions) > Differential Revision: https://reviews.freebsd.org/D21627 > > Modified: > head/include/unistd.h > head/lib/libc/sys/Makefile.inc > head/lib/libc/sys/Symbol.map > head/lib/libc/sys/closefrom.2 > head/sys/compat/freebsd32/syscalls.master > head/sys/kern/capabilities.conf > head/sys/kern/kern_descrip.c > head/sys/kern/syscalls.master > head/sys/sys/syscallsubr.h > head/tests/sys/file/closefrom_test.c
A __FreeBSD_version bump should be for ports to test for. -- Cheers, Cy Schubert <cy.schub...@cschubert.com> FreeBSD UNIX: <c...@freebsd.org> Web: http://www.FreeBSD.org The need of the many outweighs the greed of the few. _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
