From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2155) id 1FC22383E81D; Mon, 1 Feb 2021 10:01:33 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1FC22383E81D Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Corinna Vinschen To: cygwin-cvs@sourceware.org Subject: [newlib-cygwin] Cygwin: exceptions.cc: Suspend all threads in sig_handle_tty_stop(). X-Act-Checkin: newlib-cygwin X-Git-Author: Takashi Yano via Cygwin-patches X-Git-Refname: refs/heads/master X-Git-Oldrev: 6ab2d284e54384cc6e7dc13eed1eddd12bd77879 X-Git-Newrev: 6c1552b0da7c7cdf1cf1668b3706c0d1a14c9b2d Message-Id: <20210201100133.1FC22383E81D@sourceware.org> Date: Mon, 1 Feb 2021 10:01:33 +0000 (GMT) X-BeenThere: cygwin-cvs@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: Cygwin core component git logs List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Feb 2021 10:01:33 -0000 https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=6c1552b0da7c7cdf1cf1668b3706c0d1a14c9b2d commit 6c1552b0da7c7cdf1cf1668b3706c0d1a14c9b2d Author: Takashi Yano via Cygwin-patches Date: Fri Jan 29 12:46:26 2021 +0900 Cygwin: exceptions.cc: Suspend all threads in sig_handle_tty_stop(). - 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. Diff: --- 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: