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authorKay Sievers <kay.sievers@vrfy.org>2011-02-17 18:39:28 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2011-02-17 14:16:30 -0800
commit3c95c985fa91ecf6a0e29622bbdd13dcfc5ce9f1 (patch)
tree653ac54f667d5868712aef584ea7fea3b5542810 /arch/sh
parentafaae08442d86402f9e0b63475c02a651c6f1387 (diff)
downloadlinux-3c95c985fa91ecf6a0e29622bbdd13dcfc5ce9f1.tar.gz
tty: add TIOCVHANGUP to allow clean tty shutdown of all ttys
This is useful for system management software so that it can kick
off things like gettys and everything that's started from a tty,
before we reuse it from/for something else or shut it down.

Without this ioctl it would have to temporarily become the owner of
the tty, then call vhangup() and then give it up again.

Cc: Lennart Poettering <lennart@poettering.net>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/include/asm/ioctls.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/sh/include/asm/ioctls.h b/arch/sh/include/asm/ioctls.h
index 84e85a792638..a6769f352bf6 100644
--- a/arch/sh/include/asm/ioctls.h
+++ b/arch/sh/include/asm/ioctls.h
@@ -87,6 +87,7 @@
 #define TIOCSPTLCK	_IOW('T',0x31, int)  /* Lock/unlock Pty */
 #define TIOCGDEV	_IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */
 #define TIOCSIG		_IOW('T',0x36, int)  /* Generate signal on Pty slave */
+#define TIOCVHANGUP	_IO('T', 0x37)
 
 #define TIOCSERCONFIG	_IO('T', 83) /* 0x5453 */
 #define TIOCSERGWILD	_IOR('T', 84,  int) /* 0x5454 */