[PATCH] Cygwin: console: Align the behaviour against signal with pty.
Takashi Yano
takashi.yano@nifty.ne.jp
Fri Jan 29 03:45:44 GMT 2021
- Currently, read() returns -1 with EINTR if the process is suspended
by Ctrl-Z and resumed by fg command, while pty continues to read.
For example, xxd command stops with error "Interrupted system call"
after Ctrl-Z and fg. This patch aligns the behaviour with pty (and
Linux).
---
winsup/cygwin/fhandler_console.cc | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/winsup/cygwin/fhandler_console.cc b/winsup/cygwin/fhandler_console.cc
index 0b404411e..3c0783575 100644
--- a/winsup/cygwin/fhandler_console.cc
+++ b/winsup/cygwin/fhandler_console.cc
@@ -587,7 +587,8 @@ wait_retry:
break;
case input_signalled: /* signalled */
release_input_mutex ();
- goto sig_exit;
+ /* The signal will be handled by cygwait() above. */
+ continue;
case input_winch:
release_input_mutex ();
continue;
--
2.30.0
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