diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-13 01:32:17 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-13 14:23:33 -0300 |
commit | 0a2bb03fe20f81dc4cac96d7fe0e4194ae6efffd (patch) | |
tree | f643c68f37c9aa9e2e0b1623b363777c125350df /drivers/tty/n_tty.c | |
parent | c49e505b3486503302e30c4237821bece90b4c2d (diff) |
Linux-libre 4.1.5-gnupck-4.1.5-gnu
Diffstat (limited to 'drivers/tty/n_tty.c')
-rw-r--r-- | drivers/tty/n_tty.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 396344cb0..16ed0b6c7 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1108,19 +1108,29 @@ static void eraser(unsigned char c, struct tty_struct *tty) * Locking: ctrl_lock */ -static void isig(int sig, struct tty_struct *tty) +static void __isig(int sig, struct tty_struct *tty) { - struct n_tty_data *ldata = tty->disc_data; struct pid *tty_pgrp = tty_get_pgrp(tty); if (tty_pgrp) { kill_pgrp(tty_pgrp, sig, 1); put_pid(tty_pgrp); } +} - if (!L_NOFLSH(tty)) { +static void isig(int sig, struct tty_struct *tty) +{ + struct n_tty_data *ldata = tty->disc_data; + + if (L_NOFLSH(tty)) { + /* signal only */ + __isig(sig, tty); + + } else { /* signal and flush */ up_read(&tty->termios_rwsem); down_write(&tty->termios_rwsem); + __isig(sig, tty); + /* clear echo buffer */ mutex_lock(&ldata->output_lock); ldata->echo_head = ldata->echo_tail = 0; |