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Cygwin: fhandler_fifo::take_ownership: don't set event unnecessarily

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Don't set update_needed_evt if there's currently no owner.  This will
cause unnecessary churn once I'm the owner and am listening for
connections.
This commit is contained in:
Ken Brown 2020-07-12 18:11:38 -04:00
parent 4f25d82cb1
commit a4dc0eb15c
1 changed files with 4 additions and 1 deletions
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3
winsup/cygwin/fhandler_fifo.cc
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@ -1186,7 +1186,10 @@ fhandler_fifo::take_ownership ()
return; return;
} }
set_pending_owner (me); set_pending_owner (me);
/* Wake up my fifo_reader_thread. */
owner_needed (); owner_needed ();
if (get_owner ())
/* Wake up owner's fifo_reader_thread. */
SetEvent (update_needed_evt); SetEvent (update_needed_evt);
owner_unlock (); owner_unlock ();
/* The reader threads should now do the transfer. */ /* The reader threads should now do the transfer. */