From owner-cvs-all  Fri Apr 12 14:17:41 2002
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From: John Baldwin <jhb@FreeBSD.org>
Date: Fri, 12 Apr 2002 14:17:38 -0700 (PDT)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/kern sys_process.c
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jhb         2002/04/12 14:17:38 PDT

  Modified files:
    sys/kern             sys_process.c 
  Log:
  Rework ptrace(2) to be more locking friendly.  We do any needed copyin()'s
  and acquire the proctree_lock if needed first.  Then we lock the process
  if necessary and fiddle with it as appropriate.  Finally we drop locks and
  do any needed copyout's.  This greatly simplifies the locking.
  
  Revision  Changes    Path
  1.89      +114 -86   src/sys/kern/sys_process.c

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