Strange hang when calling signal()

[Konstantin Belousov]

On Thu, Oct 04, 2018 at 10:56:41AM +0300, Gleb Popov wrote:
> On Thu, Oct 4, 2018 at 12:34 AM Konstantin Belousov <kostikbel at gmail.com>
> wrote:
> 
> > On Wed, Oct 03, 2018 at 03:18:12PM +0300, Gleb Popov wrote:
> > > I failed to extract a reproducing testcase from that test. The extracted
> > > code works fine, so either I missed something, or some hidden conditions
> > > must be fulfilled for the bug to appear.
> > >
> > > Maybe I can try to dive into libc myself? Can you give me some guidance?
> > Or
> > > maybe you just build kdevelop yourself? It is a matter of handful of
> > > commands.
> >
> > Can you provide me the minimal self-contained set of binaries and shared
> > libraries and the instruction to reproduce the issue ?
> >
> 
> Pull in all needed depndencies
> # pkg install kdevelop gmake cmake git
> 
> Get KDevelop sources
> # git clone git://anongit.kde.org/kdevelop.git
> 
> # Build the test executable
> # mkdir kdevelop/build
> # cd kdevelop/build
> # cmake ..
> # gmake -j4 test_qthelpplugin
> 
> Run the test executable and see that it hangs
> # ./plugins/qthelp/tests/test_qthelpplugin testDefaultValue
This is exactly the opposite of 'minimal'.  Provide me the tarball which
have just the binary and non-base shared libs needed to reproduce.

I am not going to install kde on my crash boxes.