On Mon, 24 Mar 2025 22:52:04 +0900 Takashi Yano wrote: > On Mon, 24 Mar 2025 13:26:27 +0100 > Bruno Haible wrote: > > Hi, > > > > Gnulib contains a few unit tests for > > - SIGSEGV handling, > > - stack overflow handling (via signal SIGSEGV or SIGBUS). > > > > In Cygwin 3.4.6, SISGEGV handling was fine, and stack overflow handling > > worked at least for the first stack overflow. > > > > In Cygwin 3.5.6, SISGEGV handling was fine, but stack overflow handling > > randomly worked for the first stack overflow or did not work, reminding > > me of the raise() bug [1]. > > > > In Cygwin 3.6.0, SISGEGV handling and stack overflow handling are both > > broken. Not randomly, but always reproducible. > > > > > > How to reproduce > > ================ > > > > 1. Create a testdir for gnulib's c-stack module: > > $ ./gnulib-tool --create-testdir --dir=../testdir1 --single-configure > > c-stack > > 2. Transfer it to a Cygwin machine. > > 3. Build it: ./configure && make && make check > > Thanks for the report and reprodusible steps. > In my environment, one of your problems is reproduced. > > FAIL: test-c-stack.sh > PASS: test-sigsegv-catch-segv2.exe > > $ uname -a > CYGWIN_NT-10.0-19045 HP-Z230 3.6.0-1.x86_64 2025-03-18 17:01 UTC x86_64 Cygwin > > I'll look into the stack overflow issue for now.
I have just submitted a patch to fix this issue. Hopefully, this also fixes the test-sigsegv-catch-segv2 issue. -- Takashi Yano <takashi.y...@nifty.ne.jp> -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
