From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin-patches@cygwin.com
Subject: Re: [PATCH v2] Cygwin: console: Abort read() on signal if SA_RESTART is not set.
Date: Mon, 15 Feb 2021 13:04:41 +0100 [thread overview]
Message-ID: <20210215120441.GL4251@calimero.vinschen.de> (raw)
In-Reply-To: <20210214094250.1245-1-takashi.yano@nifty.ne.jp>
Hi Takashi,
On Feb 14 18:42, Takashi Yano via Cygwin-patches wrote:
> - 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.
> The same problem for SIGQUIT and SIGTSTP has also been fixed.
> ---
> winsup/cygwin/fhandler_console.cc | 7 +++----
> winsup/cygwin/fhandler_termios.cc | 1 +
> winsup/cygwin/tty.cc | 1 +
> winsup/cygwin/tty.h | 1 +
> 4 files changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/winsup/cygwin/fhandler_console.cc b/winsup/cygwin/fhandler_console.cc
> index 3c0783575..78af6cf2b 100644
> --- a/winsup/cygwin/fhandler_console.cc
> +++ b/winsup/cygwin/fhandler_console.cc
> @@ -586,12 +586,11 @@ wait_retry:
> case input_ok: /* input ready */
> break;
> case input_signalled: /* signalled */
> - release_input_mutex ();
> - /* The signal will be handled by cygwait() above. */
> - continue;
> case input_winch:
> release_input_mutex ();
> - continue;
> + if (global_sigs[get_ttyp ()->last_sig].sa_flags & SA_RESTART)
Shouldn't this check for last_sig != 0 first?
Thanks,
Corinna
next prev parent reply other threads:[~2021-02-15 12:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-14 9:42 Takashi Yano
2021-02-15 12:04 ` Corinna Vinschen [this message]
2021-02-15 13:08 ` Takashi Yano
2021-02-15 13:23 ` Corinna Vinschen
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