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authorPeter Hurley <peter@hurleysoftware.com>2013-06-15 07:28:28 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-06-17 12:55:11 -0700
commitf6c8dbe6e50c6e5121d7b6644718207daa008221 (patch)
treef7200d98ecaa899fb2c83d6b58b88a20b302f936 /include/linux/pinctrl
parenta630fbfbb1beeffc5bbe542a7986bf2068874633 (diff)
n_tty: Encapsulate minimum_to_wake within N_TTY
minimum_to_wake is unique to N_TTY processing, and belongs in per-ldisc data. Add the ldisc method, ldisc_ops::fasync(), to notify line disciplines when signal-driven I/O is enabled or disabled. When enabled for N_TTY (by fcntl(F_SETFL, O_ASYNC)), blocking reader/polls will be woken for any readable input. When disabled, blocking reader/polls are not woken until the read buffer is full. Canonical mode (L_ICANON(tty), n_tty_data::icanon) is not affected by the minimum_to_wake setting. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/pinctrl')
0 files changed, 0 insertions, 0 deletions