[Varnish] #668: accept(2) not checked in varnishtest

[Varnish]

#668: accept(2) not checked in varnishtest
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 Reporter:  fgsch        |       Owner:  phk                
     Type:  defect       |      Status:  new                
 Priority:  low          |   Milestone:  Varnish 2.1 release
Component:  varnishtest  |     Version:  trunk              
 Severity:  minor        |    Keywords:                     
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 The descriptor returned by accept(2) is not checked in vtc_server.c and
 vtc_http.c. For the former, if accept fails, -1 might be passed to poll,
 which is valid but will make poll(2) return 0, in turn calling vtc_log and
 eventually assert.
 This is confusing and will lead to an erroneous error in vtc_log.

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Ticket URL: <http://www.varnish-cache.org/ticket/668>
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