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d01c3289e7
linux/drivers/tty
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Masatake YAMATO d01c3289e7 pty: show associative slave of ptmx in fdinfo 
This patch adds "tty-index" field to /proc/PID/fdinfo/N if N
specifies /dev/ptmx. The field shows the index of associative
slave pts.

Though a minor number is given for each pts instance, ptmx is not.
It means there is no way in user-space to know the association between
file descriptors for pts/n and ptmx. (n = 0, 1, ...)

This is different from pipe. About pipe such association can be solved
by inode of pipefs.

Providing the way to know the association between pts/n and ptmx helps
users understand the status of running system. lsof can utilize this field.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-28 20:51:23 +02:00
..
hvc tty: hvcs: constify vio_device_id 2017-08-28 20:51:22 +02:00
ipwireless networking: introduce and use skb_put_data() 2017-06-16 11:48:37 -04:00
serdev tty: Convert to using %pOF instead of full_name 2017-07-30 07:35:28 -07:00
serial Introduce 8250_men_mcb 2017-08-28 20:51:22 +02:00
vt vt: fix \e[2m using the wrong placeholder color on graphical consoles 2017-06-09 11:20:08 +02:00
amiserial.c tty: amiserial: drop broken alt-speed support 2017-06-13 11:49:58 +02:00
bfin_jtag_comm.c
cyclades.c tty: cyclades: drop broken alt-speed support 2017-06-13 11:49:58 +02:00
ehv_bytechan.c tty: Convert to using %pOF instead of full_name 2017-07-30 07:35:28 -07:00
goldfish.c tty: goldfish: Fix a parameter of a call to free_irq 2017-01-12 11:51:25 +01:00
isicom.c tty: isicom: constify pci_device_id. 2017-07-30 07:35:27 -07:00
Kconfig
Makefile tty: handle the case where we cannot restore a line discipline 2017-06-03 18:43:46 +09:00
metag_da.c timers, drivers/tty/metag_da: Initialize the poll timer as pinned 2016-07-07 10:25:14 +02:00
mips_ejtag_fdc.c tty: mips_ejtag_fdc: constify mips_cdmm_device_id 2017-08-28 20:51:22 +02:00
moxa.c tty: moxa: constify pci_device_id. 2017-07-30 07:35:28 -07:00
moxa.h
mxser.c tty: mxser: constify pci_device_id. 2017-07-30 07:35:27 -07:00
mxser.h
n_gsm.c tty: n_gsm: Add compat_ioctl 2017-08-28 20:51:22 +02:00
n_hdlc.c format-security: move static strings to const 2017-05-08 17:15:14 -07:00
n_null.c tty: handle the case where we cannot restore a line discipline 2017-06-03 18:43:46 +09:00
n_r3964.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
n_tracerouter.c
n_tracesink.c
n_tracesink.h
n_tty.c
nozomi.c tty: nozomi: avoid sprintf buffer overflow 2016-11-29 20:20:07 +01:00
pty.c pty: show associative slave of ptmx in fdinfo 2017-08-28 20:51:23 +02:00
rocket_int.h
rocket.c tty: rocket: drop broken alt-speed support 2017-06-13 11:49:58 +02:00
rocket.h
synclink_gt.c tty: synclink_gt: constify pci_device_id. 2017-07-30 07:35:28 -07:00
synclink.c tty: synclink: constify pci_device_id. 2017-07-30 07:35:27 -07:00
synclinkmp.c tty: synclinkmp: constify pci_device_id. 2017-07-30 07:35:27 -07:00
sysrq.c oom: improve oom disable handling 2017-05-03 15:52:10 -07:00
tty_audit.c
tty_baudrate.c tty: move baudrate handling code to a file of its own 2017-04-18 18:01:52 +02:00
tty_buffer.c tty: fix __tty_insert_flip_char regression 2017-08-02 06:58:17 -07:00
tty_io.c pty: show associative slave of ptmx in fdinfo 2017-08-28 20:51:23 +02:00
tty_ioctl.c tty: move baudrate handling code to a file of its own 2017-04-18 18:01:52 +02:00
tty_jobctrl.c tty: split job control support into a file of its own 2017-04-18 18:01:52 +02:00
tty_ldisc.c TTY/Serial patches for 4.13-rc1 2017-07-03 20:04:16 -07:00
tty_ldsem.c sched/headers: Prepare to move the get_task_struct()/put_task_struct() and related APIs from <linux/sched.h> to <linux/sched/task.h> 2017-03-02 08:42:40 +01:00
tty_mutex.c
tty_port.c Revert "tty: fix port buffer locking" 2017-06-04 10:23:25 +02:00