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asterisk/channels/misdn
Richard Mudgett 9fba5aa735 Merged revisions 221844 via svnmerge from
https://origsvn.digium.com/svn/asterisk/trunk

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  r221844 | rmudgett | 2009-10-01 20:09:31 -0500 (Thu, 01 Oct 2009) | 33 lines
  
  Merged revisions 221769 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.4
  
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    r221769 | rmudgett | 2009-10-01 18:18:28 -0500 (Thu, 01 Oct 2009) | 26 lines
    
    Occasionally losing use of B channels in chan_misdn.
    
    I have not been able to reproduce the problem of losing channels.
    However, I have seen in the code a reentrancy problem that might give
    these symptoms.
    
    The reentrancy patch does several things:
    1) Guards B channel and B channel structure allocation.
    2) Makes the B channel structure find routines more precise in locating records.
    3) Never leave a B channel allocated if we received cause 44.
    
    The last item may cause temporary outgoing call problems, but they should
    clear when the line becomes idle.
    
    (closes issue #15490)
    Reported by: slutec18
    Patches:
          issue15490_channel_alloc_reentrancy.patch uploaded by rmudgett (license 664)
    Tested by: rmudgett, slutec18
    
    (closes issue #15458)
    Reported by: FabienToune
    Patches:
          issue15458_channel_alloc_reentrancy.patch uploaded by rmudgett (license 664)
    Tested by: FabienToune, rmudgett, slutec18
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