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NAME="TCPIP-OPENBSD-ENHANCED-SELECT">Enhanced Select()</H1
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>The network stack supports an extension to the standard select
semantics which allows all threads that are waiting to be restarted
even if the select conditions are not satisfied.</P
><P
>The standard select() API:  </P
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>int  
<TT
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>select</TT
>(int nfd,
       fd_set &#0042;in, fd_set &#0042;out, fd_set &#0042;ex,
       struct timeval &#0042;tv); </PRE
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>does not support the restart.</P
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>int  
<TT
CLASS="FUNCTION"
>cyg_select_with_abort</TT
>(int nfd,
       fd_set &#0042;in, fd_set &#0042;out, fd_set &#0042;ex,
       struct timeval &#0042;tv)</PRE
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>behaves exactly as select() with the additional feature that
a call to</P
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>(void)</PRE
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>will cause all threads waiting in any
<TT
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>cyg_select_with_abort()</TT
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