[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-1.4-359-g347d3d1

[fche@sourceware.org]

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- Log -----------------------------------------------------------------
commit 347d3d15c261c362e94c6ab8ff5f9ec7abb73d52
Author: Frank Ch. Eigler <fche@redhat.com>
Date:   Fri May 13 13:17:02 2011 -0400

    shutdown hangs: offer option -DSTAP_OVERRIDE_STUCK_CONTEXT
    
    Sometimes stuff happens to probe handlers, and they refuse to clean up
    cleanly (resetting their contexts to non-busy state).  This can cause
    module shutdowns to hang with a busy-waiting stapio.  This patch lets
    a user override the infinite loop with -DSTAP_OVERRIDE_STUCK_CONTEXT
    to let the module be cleaned up.  Without that set, at least the
    infinite loop is made to spin less tightly.
    
    * translate.cxx (c_unparser::emit_module_exit): Hang looser
      upon stuck contexts.

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Summary of changes:
 translate.cxx |   24 ++++++++++++++++++++++++
 1 files changed, 24 insertions(+), 0 deletions(-)


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