[Bug 194985] getdtablecount new syscall from openbsd

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Thu Nov 13 10:07:23 UTC 2014


Mateusz Guzik <mjg at FreeBSD.org> changed:

           What    |Removed                     |Added
                 CC|                            |mjg at FreeBSD.org

--- Comment #1 from Mateusz Guzik <mjg at FreeBSD.org> ---
What rationale is behind this?

If such syscall is really needed, it may be it will be fast enough to count
bits set in the map.

Also what's up with this:
+    p = td->td_proc;
+    PROC_LOCK(p);
+    td->td_retval[0] = p->p_fd->fd_openfd;
+    PROC_UNLOCK(p);

proc lock does not protect file table nor fd_openfd.

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