[PATCH 1/1] Cygwin: console: Fix the condition to interrupt select() by SIGWINCH

Takashi Yano takashi.yano@nifty.ne.jp
Thu Aug 15 05:03:00 GMT 2019


- Add code so that select() is not interrupted by SIGWINCH if it is
  ignored (SIG_IGN or SIG_DFL).
---
 winsup/cygwin/select.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/winsup/cygwin/select.cc b/winsup/cygwin/select.cc
index 9cf892801..4e9256b9f 100644
--- a/winsup/cygwin/select.cc
+++ b/winsup/cygwin/select.cc
@@ -1045,7 +1045,9 @@ peek_console (select_record *me, bool)
       else if (!PeekConsoleInputW (h, &irec, 1, &events_read) || !events_read)
 	break;
       fh->acquire_input_mutex (INFINITE);
-      if (fhandler_console::input_winch == fh->process_input_message ())
+      if (fhandler_console::input_winch == fh->process_input_message ()
+	  && global_sigs[SIGWINCH].sa_handler != SIG_IGN
+	  && global_sigs[SIGWINCH].sa_handler != SIG_DFL)
 	{
 	  set_sig_errno (EINTR);
 	  fh->release_input_mutex ();
-- 
2.21.0



More information about the Cygwin-patches mailing list