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authorPeter Hurley <peter@hurleysoftware.com>2016-01-09 21:35:21 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-01-27 15:13:28 -0800
commite802ca0e1892865acdde90f1aaed37333c5660c2 (patch)
tree900e6c7b7f1d99f9a90abf90fc4853dda47c1a30 /drivers/tty/tty_io.c
parentde5583d670a8b10f157fdcc7afaddfd1ec423a69 (diff)
tty: Move tty_check_change() helper
Move is_ignored() to drivers/tty/tty_io.c and re-declare in file scope. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/tty_io.c')
-rw-r--r--drivers/tty/tty_io.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 798acb690092..e8996fc3ff1c 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -381,6 +381,12 @@ struct tty_driver *tty_find_polling_driver(char *name, int *line)
EXPORT_SYMBOL_GPL(tty_find_polling_driver);
#endif
+static int is_ignored(int sig)
+{
+ return (sigismember(&current->blocked, sig) ||
+ current->sighand->action[sig-1].sa.sa_handler == SIG_IGN);
+}
+
/**
* tty_check_change - check for POSIX terminal changes
* @tty: tty to check