[PATCH] Cygwin: console: Abort read() on SIGWINCH if SA_RESTART is not set.

[Takashi Yano via Cygwin-patches]

- Currently, console read() keeps reading after SIGWINCH is sent
  even if SA_RESTART flag is not set. With this patch, read()
  returns EINTR on SIGWINCH if SA_RESTART flag is not set.
---
 winsup/cygwin/fhandler_console.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/winsup/cygwin/fhandler_console.cc 
b/winsup/cygwin/fhandler_console.cc
index 3c0783575..bdd6e5bb6 100644
--- a/winsup/cygwin/fhandler_console.cc
+++ b/winsup/cygwin/fhandler_console.cc
@@ -591,7 +591,9 @@ wait_retry:
          continue;
        case input_winch:
          release_input_mutex ();
-         continue;
+         if (global_sigs[SIGWINCH].sa_flags & SA_RESTART)
+           continue;
+         goto sig_exit;
        default:
          /* Should not come here */
          release_input_mutex ();
-- 
2.30.0