[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.3-392-g446e9d6

[fche at sourceware dot org]

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- Log -----------------------------------------------------------------
commit 446e9d662fdee5115ff901b61ce2ad81681752fe
Author: Frank Ch. Eigler <fche@elastic.org>
Date:   Wed Dec 15 15:13:46 2010 -0500

    PR12309 part 2: ditch delayed_work for timers
    
    * runtime/transport/transport.c: Remove all references to workqueues,
      delayed_work*; replace with same sort of timer use in relay_v2.c.

commit 17e383f46ff3577b2768c33dd709f91433227a1d
Author: Frank Ch. Eigler <fche@elastic.org>
Date:   Mon Dec 13 13:50:02 2010 -0500

    PR12309 part 1, use atomic_t for delayed_work state signaling
    
    There was a possible race condition between multiple processes opening
    the transport .ctl file concurrently.
    
    * runtime/transport/transport.h (_stp_ctl_attached): Become atomic_t.
    * runtime/transport/transport.c (_stp_attach, _stp_detach):
      Stop messing with it.
    * runtime/transport/control.c (_stp_ctl_open|close_cmd): Use atomic_t
      and reorder logic to defeat race condition.

commit 34d9471d29a185a8556e85648dec6389900b2cdf
Author: Frank Ch. Eigler <fche@elastic.org>
Date:   Mon Dec 13 13:39:06 2010 -0500

    runtime: let staprun -d identify itself differently in task->comm
    
    staprun.c (remove_module): Use prctl() to set task name to "staprun-d".

-----------------------------------------------------------------------

Summary of changes:
 runtime/staprun/staprun.c     |    5 +++-
 runtime/transport/control.c   |   11 ++++++--
 runtime/transport/transport.c |   50 ++++++++++++++++------------------------
 runtime/transport/transport.h |    2 +-
 4 files changed, 33 insertions(+), 35 deletions(-)


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systemtap: system-wide probe/trace tool