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/freebsd-11-stable/sys/sys/
H A Dtty.hdiff 130261 Wed Jun 09 07:41:30 MDT 2004 phk Reference count struct tty.

Add two new functions: ttyref() and ttyrel(). ttymalloc() creates a struct
tty with a reference count of one. when ttyrel sees the count go to zero,
struct tty is freed.

Hold references for open ttys and for ttys which are controlling terminal
for sessions.

Until drivers start using ttyrel(), this commit will make no difference.
/freebsd-11-stable/sys/kern/
H A Dtty.cdiff 130261 Wed Jun 09 07:41:30 MDT 2004 phk Reference count struct tty.

Add two new functions: ttyref() and ttyrel(). ttymalloc() creates a struct
tty with a reference count of one. when ttyrel sees the count go to zero,
struct tty is freed.

Hold references for open ttys and for ttys which are controlling terminal
for sessions.

Until drivers start using ttyrel(), this commit will make no difference.
H A Dkern_proc.cdiff 130261 Wed Jun 09 07:41:30 MDT 2004 phk Reference count struct tty.

Add two new functions: ttyref() and ttyrel(). ttymalloc() creates a struct
tty with a reference count of one. when ttyrel sees the count go to zero,
struct tty is freed.

Hold references for open ttys and for ttys which are controlling terminal
for sessions.

Until drivers start using ttyrel(), this commit will make no difference.

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