From owner-cvs-all  Tue Apr 16 10: 9:26 2002
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From: John Baldwin <jhb@FreeBSD.org>
Date: Tue, 16 Apr 2002 10:09:22 -0700 (PDT)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/kern tty.c tty_pty.c
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jhb         2002/04/16 10:09:22 PDT

  Modified files:
    sys/kern             tty.c tty_pty.c 
  Log:
  - Lock proctree_lock instead of pgrpsess_lock.
  - Use temporary variables to hold a pointer to a pgrp while we dink with it
    while not holding either the associated proc lock or proctree_lock.  It
    is in theory possible that p->p_pgrp could change out from under us.
  
  Revision  Changes    Path
  1.172     +34 -33    src/sys/kern/tty.c
  1.98      +8 -6      src/sys/kern/tty_pty.c

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