https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
--- Comment #25 from Andrew Pinski ---
(In reply to Jonathan Wakely from comment #24)
> > * testsuite/30_threads/jthread/95989.cc: New test.
>
> This testcase fails on FreeBSD 14:
Related PRs there: PR 103444 and PR 82635; it might
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
--- Comment #24 from Jonathan Wakely ---
> * testsuite/30_threads/jthread/95989.cc: New test.
This testcase fails on FreeBSD 14:
Starting program:
/home/gcc/build/x86_64-unknown-freebsd14.0/libstdc++-v3/testsuite/95989.exe
[New LWP
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
--- Comment #23 from CVS Commits ---
The master branch has been updated by Alexandre Oliva :
https://gcc.gnu.org/g:21edd841611a97442a6b95e8ec7e91ff8fd3a451
commit r13-6461-g21edd841611a97442a6b95e8ec7e91ff8fd3a451
Author: Alexandre Oliva
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
--- Comment #22 from Jackson Huff ---
See bug 104852
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
--- Comment #21 from Jonathan Wakely ---
(In reply to Jackson Huff from comment #20)
> Have there been any updates regarding segfaults with pthread_join? I'm also
> getting a segfault but with the C++20 jthread::detach() function instead.
There
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
Jackson Huff changed:
What|Removed |Added
CC||lightningdzeyenr at gmail dot
com
--- Co
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
Eric Botcazou changed:
What|Removed |Added
CC||ebotcazou at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
Jonathan Wakely changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Target Milestone|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
--- Comment #17 from CVS Commits ---
The releases/gcc-10 branch has been updated by Jonathan Wakely
:
https://gcc.gnu.org/g:b11c74b0e357652a1f1f0d937455310a6389
commit r10-9055-gb11c74b0e357652a1f1f0d937455310a6389
Author: Jonathan Wake
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
--- Comment #16 from CVS Commits ---
The master branch has been updated by Jonathan Wakely :
https://gcc.gnu.org/g:08b4d325711d5c6f68ac29443aba3fd7aa173ac8
commit r11-5183-g08b4d325711d5c6f68ac29443aba3fd7aa173ac8
Author: Jonathan Wakely
Date:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
--- Comment #15 from Jonathan Wakely ---
(In reply to Jonathan Wakely from comment #14)
> > --- a/libgcc/gthr-posix.h
> > +++ b/libgcc/gthr-posix.h
> > @@ -684,7 +684,12 @@ __gthread_equal (__gthread_t __t1, __gthread_t __t2)
> > static inline _
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
--- Comment #14 from Jonathan Wakely ---
(In reply to Jonathan Wakely from comment #13)
> I'm testing this:
>
> diff --git a/libgcc/gthr-posix.h b/libgcc/gthr-posix.h
> index 965247602ac..0af84a781e5 100644
> --- a/libgcc/gthr-posix.h
> +++ b/li
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
Jonathan Wakely changed:
What|Removed |Added
See Also||https://sourceware.org/bugz
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
--- Comment #12 from Jonathan Wakely ---
(In reply to Antal Buss from comment #1)
> Created attachment 48811 [details]
> Preprocessed file
For convenience, that is:
#include
int main() {
auto t = std::jthread([](){});
t.request_stop();
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
--- Comment #11 from Florian Weimer ---
It turns out that libc.a did not contain pthread_self until glibc 2.27. The
symbol was only present in libc.so.6 (as a weird forwarder, for compatibility
with long-defunct LinuxThreads).
This means there
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
--- Comment #10 from Jonathan Wakely ---
I have a fix for std::this_thread::get_id() but we also need the same fix in
and I'd rather refactor that first to only need to fix it in one
place.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
Florian Weimer changed:
What|Removed |Added
CC||fw at gcc dot gnu.org
--- Comment #9 fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
Jonathan Wakely changed:
What|Removed |Added
Assignee|unassigned at gcc dot gnu.org |redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
--- Comment #8 from Jonathan Wakely ---
pthread_self seems to be defined in libc.a not libpthread.a so using
--whole-archive around -lpthread doesn't help.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
--- Comment #7 from Jonathan Wakely ---
This happens with std::thread too, not just std::jthread.
#include
int main() {
std::thread t;
if (t.get_id() == std::this_thread::get_id())
throw 1;
t.join();
}
It looks like the weak pthread
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
Jonathan Wakely changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Ever confirmed|0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
--- Comment #6 from Antal Buss ---
Unfortunately no, I'm compiling with (suggested in stackoverflow):
g++-10 -Wall -Wextra -o test --static -std=c++20 test.cc -lrt -pthread
-Wl,--whole-archive -lpthread -Wl,--no-whole-archive
but still produci
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95989
--- Comment #5 from Jonathan Wakely ---
Does -Wl,--whole-archive -lpthread make it work?
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