[PATCH] Cygwin: exceptions.cc: Suspend all threads in sig_handle_tty_stop().
Corinna Vinschen
corinna-cygwin@cygwin.com
Mon Feb 1 10:02:07 GMT 2021
On Jan 29 12:46, Takashi Yano via Cygwin-patches wrote:
> - Currently, thread created by pthread_create() is not suspended by
> the signal SIGTSTP. For example, even if a process with a thread
> is suspended by Ctrl-Z, the thread continues running. This patch
> fixes the issue.
> ---
> winsup/cygwin/exceptions.cc | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/winsup/cygwin/exceptions.cc b/winsup/cygwin/exceptions.cc
> index c98b92d30..3a6823325 100644
> --- a/winsup/cygwin/exceptions.cc
> +++ b/winsup/cygwin/exceptions.cc
> @@ -902,7 +902,9 @@ sig_handle_tty_stop (int sig, siginfo_t *, void *)
> thread. */
> /* Use special cygwait parameter to handle SIGCONT. _main_tls.sig will
> be cleared under lock when SIGCONT is detected. */
> + pthread::suspend_all_except_self ();
> DWORD res = cygwait (NULL, cw_infinite, cw_sig_cont);
> + pthread::resume_all ();
> switch (res)
> {
> case WAIT_SIGNALED:
> --
> 2.30.0
Pushed.
Thanks,
Corinna
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