[PATCH] Cygwin: sigproc: Do not send signal to myself if exiting.
Corinna Vinschen
corinna-cygwin@cygwin.com
Fri Nov 19 15:53:57 GMT 2021
On Nov 19 16:51, Corinna Vinschen wrote:
> Hi Takashi,
>
> On Nov 19 20:50, Takashi Yano wrote:
> > - This patch fixes the issue that process sometimes hangs for 60
> > seconds with the following scenario.
> > 1) Open command prompt.
> > 2) Run "c:\cygwin64\bin\bash -l"
> > 3) Compipe the following source with mingw compiler.
> > /*--- Begin ---*/
> > #include <stdio.h>
> > int main() {return getchar();}
> > /*---- End ----*/
> > 3) Run "tcsh -c ./a.exe"
> > 4) Hit Ctrl-C.
> > ---
> > winsup/cygwin/sigproc.cc | 4 ++++
> > 1 file changed, 4 insertions(+)
> >
> > diff --git a/winsup/cygwin/sigproc.cc b/winsup/cygwin/sigproc.cc
> > index 97211edcf..9160dd160 100644
> > --- a/winsup/cygwin/sigproc.cc
> > +++ b/winsup/cygwin/sigproc.cc
> > @@ -603,6 +603,10 @@ sig_send (_pinfo *p, siginfo_t& si, _cygtls *tls)
> > its_me = false;
> > }
> >
> > + /* Do not send signal to myself if exiting. */
> > + if (its_me && exit_state > ES_EXIT_STARTING && si.si_signo > 0)
> > + goto out;
> > +
> > if (its_me)
> > sendsig = my_sendsig;
> > else
> > --
> > 2.33.0
>
> Isn't that already handled in wait_sig? What's the difference here?
...and where exactly is it waiting 60 secs?
>
>
> Thx,
> Corinna
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