public inbox for cygwin-cvs@sourceware.org
help / color / mirror / Atom feed
From: Corinna Vinschen <corinna@sourceware.org>
To: cygwin-cvs@sourceware.org
Subject: [newlib-cygwin] Cygwin: raise: fix check for multithreaded process
Date: Mon, 22 Nov 2021 11:52:23 +0000 (GMT)	[thread overview]
Message-ID: <20211122115223.A06263858034@sourceware.org> (raw)

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=24bffff63eb798d721b75b1c38c18f1687d33a2a

commit 24bffff63eb798d721b75b1c38c18f1687d33a2a
Author: Corinna Vinschen <corinna@vinschen.de>
Date:   Mon Nov 22 12:33:47 2021 +0100

    Cygwin: raise: fix check for multithreaded process
    
    The check for the pthread self pointer in TLS is misleading,
    given the main thread has this pointer initialized as well.
    Check for the global __isthreaded flag as well.
    
    Signed-off-by: Corinna Vinschen <corinna@vinschen.de>

Diff:
---
 winsup/cygwin/signal.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/winsup/cygwin/signal.cc b/winsup/cygwin/signal.cc
index bd1168e90..f4b468664 100644
--- a/winsup/cygwin/signal.cc
+++ b/winsup/cygwin/signal.cc
@@ -301,7 +301,7 @@ extern "C" int
 raise (int sig)
 {
   pthread *thread = _my_tls.tid;
-  if (!thread)
+  if (!thread || !__isthreaded)
     return kill (myself->pid, sig);
   return pthread_kill (thread, sig);
 }


                 reply	other threads:[~2021-11-22 11:52 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20211122115223.A06263858034@sourceware.org \
    --to=corinna@sourceware.org \
    --cc=cygwin-cvs@sourceware.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).