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Vladimir Grebenshchikov e8923c7346 devfs: make persistent controlling terminal an ABI property

Linux leaves the session's controlling terminal in place after the
last file descriptor on the slave is closed, so a later open of
/dev/tty succeeds.  FreeBSD drops the session vnode reference on that
close. /dev/tty then fails, which breaks Linux programs such as xterm
that close the pty slave during startup and expect /dev/tty to keep
working.

When the closer is a Linux process, leave the session reference in
place.  Still pass FLASTCLOSE to the driver so the master sees hangup.
Native close behavior is unchanged.

Add the SV_PERSISTENT_CTTY sysentvec flag for ABIs that retain the
controlling terminal after the last slave descriptor is closed.  This
keeps the devfs behavior ABI-agnostic and allows other ABIs to request
the same semantics if needed.  Use the flag in devfs_close().

Reviewed by:	kib
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D60701

2026-10-20 20:38:09 +03:00

autofs

autofs: try to avoid waiting for timeouts of in-flight requests for forced unmounts

2026-08-06 11:54:47 +03:00

cd9660

filesystems: use g_vfs_close_unlocked(9)

2026-09-24 21:38:33 +03:00

cuse

cuse: Rename cuse_server_free() to cuse_server_dtor()

2026-09-30 11:51:09 +02:00

deadfs

vn_delayed_setsize(): post-commit review' changes