[PATCH] Cygwin: console: Abort read() on SIGWINCH if SA_RESTART is not set.
Takashi Yano
takashi.yano@nifty.ne.jp
Sun Feb 14 08:52:06 GMT 2021
- 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
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