[Bug 669697] shmsink blocking forever

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=669697
  GStreamer | gst-plugins-bad | git

--- Comment #2 from Vincent Penquerc'h <vincent.penquerch at collabora.co.uk> 2012-02-08 21:24:44 UTC ---
Created an attachment (id=207141)
 View: https://bugzilla.gnome.org/attachment.cgi?id=207141
 Review: https://bugzilla.gnome.org/review?bug=669697&attachment=207141

shmsink: fix indefinite wait after adding a new fd to the poll set

If the second call to _wait blocks, we will not signal the condition
variable, so ensure that second call is not blocking.
See rationale and information in the linked bug:

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