Author: cognet
Date: Mon Nov 11 00:21:05 2019
New Revision: 354602
URL: https://svnweb.freebsd.org/changeset/base/354602
Log:
linprocfs: Make sure to report -1 as tty when we have no controlling tty.
When reporting a process' stats, we can't just provide the tty as an
unsigned long, as if we have no controlling tty, the tty would be NODEV, or
-1. Instaed, just special-case NODEV.
Submitted by: Juraj Lutter <o...@sk.freebsd.org>
MFC after: 1 week
Modified:
head/sys/compat/linprocfs/linprocfs.c
Modified: head/sys/compat/linprocfs/linprocfs.c
==============================================================================
--- head/sys/compat/linprocfs/linprocfs.c Sun Nov 10 22:08:07 2019
(r354601)
+++ head/sys/compat/linprocfs/linprocfs.c Mon Nov 11 00:21:05 2019
(r354602)
@@ -809,7 +809,10 @@ linprocfs_doprocstat(PFS_FILL_ARGS)
PS_ADD("pgrp", "%d", p->p_pgid);
PS_ADD("session", "%d", p->p_session->s_sid);
PROC_UNLOCK(p);
- PS_ADD("tty", "%ju", (uintmax_t)kp.ki_tdev);
+ if (kp.ki_tdev == NODEV)
+ PS_ADD("tty", "%s", "-1");
+ else
+ PS_ADD("tty", "%ju", (uintmax_t)kp.ki_tdev);
PS_ADD("tpgid", "%d", kp.ki_tpgid);
PS_ADD("flags", "%u", 0); /* XXX */
PS_ADD("minflt", "%lu", kp.ki_rusage.ru_minflt);
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