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* [PATCH] Cygwin: pty: Set input_available_event only for cygwin pipe.
@ 2021-01-15  9:26 Takashi Yano
  2021-01-18 15:00 ` Takashi Yano
  0 siblings, 1 reply; 4+ messages in thread
From: Takashi Yano @ 2021-01-15  9:26 UTC (permalink / raw)
  To: cygwin-patches

- cat exits immediately in the following senario.
    1) Execute env CYGWIN=disable_pcon script
    2) Execute cmd.exe
    3) Execute cat in cmd.exe.
  This is caused by setting input_available_event for the pipe for
  non-cygwin app. This patch fixes the issue.
---
 winsup/cygwin/fhandler_tty.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
index e4993bf31..0b9901974 100644
--- a/winsup/cygwin/fhandler_tty.cc
+++ b/winsup/cygwin/fhandler_tty.cc
@@ -394,7 +394,8 @@ fhandler_pty_master::accept_input ()
 	}
     }
 
-  SetEvent (input_available_event);
+  if (write_to == get_output_handle ())
+    SetEvent (input_available_event);
   ReleaseMutex (input_mutex);
   return ret;
 }
-- 
2.30.0


^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] Cygwin: pty: Set input_available_event only for cygwin pipe.
  2021-01-15  9:26 [PATCH] Cygwin: pty: Set input_available_event only for cygwin pipe Takashi Yano
@ 2021-01-18 15:00 ` Takashi Yano
  2021-01-18 15:27   ` Corinna Vinschen
  0 siblings, 1 reply; 4+ messages in thread
From: Takashi Yano @ 2021-01-18 15:00 UTC (permalink / raw)
  To: cygwin-patches

Hi Corinna,

On Fri, 15 Jan 2021 18:26:31 +0900
Takashi Yano wrote:
> - cat exits immediately in the following senario.
>     1) Execute env CYGWIN=disable_pcon script
>     2) Execute cmd.exe
>     3) Execute cat in cmd.exe.
>   This is caused by setting input_available_event for the pipe for
>   non-cygwin app. This patch fixes the issue.
> ---
>  winsup/cygwin/fhandler_tty.cc | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
> index e4993bf31..0b9901974 100644
> --- a/winsup/cygwin/fhandler_tty.cc
> +++ b/winsup/cygwin/fhandler_tty.cc
> @@ -394,7 +394,8 @@ fhandler_pty_master::accept_input ()
>  	}
>      }
>  
> -  SetEvent (input_available_event);
> +  if (write_to == get_output_handle ())
> +    SetEvent (input_available_event);
>    ReleaseMutex (input_mutex);
>    return ret;
>  }
> -- 
> 2.30.0
> 

I would be happy if you could review this patch as well.

-- 
Takashi Yano <takashi.yano@nifty.ne.jp>

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] Cygwin: pty: Set input_available_event only for cygwin pipe.
  2021-01-18 15:00 ` Takashi Yano
@ 2021-01-18 15:27   ` Corinna Vinschen
  2021-01-18 15:41     ` Takashi Yano
  0 siblings, 1 reply; 4+ messages in thread
From: Corinna Vinschen @ 2021-01-18 15:27 UTC (permalink / raw)
  To: cygwin-patches

On Jan 19 00:00, Takashi Yano via Cygwin-patches wrote:
> Hi Corinna,
> 
> On Fri, 15 Jan 2021 18:26:31 +0900
> Takashi Yano wrote:
> > - cat exits immediately in the following senario.
> >     1) Execute env CYGWIN=disable_pcon script
> >     2) Execute cmd.exe
> >     3) Execute cat in cmd.exe.
> >   This is caused by setting input_available_event for the pipe for
> >   non-cygwin app. This patch fixes the issue.
> > ---
> >  winsup/cygwin/fhandler_tty.cc | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
> > index e4993bf31..0b9901974 100644
> > --- a/winsup/cygwin/fhandler_tty.cc
> > +++ b/winsup/cygwin/fhandler_tty.cc
> > @@ -394,7 +394,8 @@ fhandler_pty_master::accept_input ()
> >  	}
> >      }
> >  
> > -  SetEvent (input_available_event);
> > +  if (write_to == get_output_handle ())
> > +    SetEvent (input_available_event);
> >    ReleaseMutex (input_mutex);
> >    return ret;
> >  }
> > -- 
> > 2.30.0
> > 
> 
> I would be happy if you could review this patch as well.

Sorry, I missed that one!  Pushed.


Thanks,
Corinna

^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH] Cygwin: pty: Set input_available_event only for cygwin pipe.
  2021-01-18 15:27   ` Corinna Vinschen
@ 2021-01-18 15:41     ` Takashi Yano
  0 siblings, 0 replies; 4+ messages in thread
From: Takashi Yano @ 2021-01-18 15:41 UTC (permalink / raw)
  To: cygwin-patches

On Mon, 18 Jan 2021 16:27:00 +0100
Corinna Vinschen wrote:
> On Jan 19 00:00, Takashi Yano via Cygwin-patches wrote:
> > Hi Corinna,
> > 
> > On Fri, 15 Jan 2021 18:26:31 +0900
> > Takashi Yano wrote:
> > > - cat exits immediately in the following senario.
> > >     1) Execute env CYGWIN=disable_pcon script
> > >     2) Execute cmd.exe
> > >     3) Execute cat in cmd.exe.
> > >   This is caused by setting input_available_event for the pipe for
> > >   non-cygwin app. This patch fixes the issue.
> > > ---
> > >  winsup/cygwin/fhandler_tty.cc | 3 ++-
> > >  1 file changed, 2 insertions(+), 1 deletion(-)
> > > 
> > > diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
> > > index e4993bf31..0b9901974 100644
> > > --- a/winsup/cygwin/fhandler_tty.cc
> > > +++ b/winsup/cygwin/fhandler_tty.cc
> > > @@ -394,7 +394,8 @@ fhandler_pty_master::accept_input ()
> > >  	}
> > >      }
> > >  
> > > -  SetEvent (input_available_event);
> > > +  if (write_to == get_output_handle ())
> > > +    SetEvent (input_available_event);
> > >    ReleaseMutex (input_mutex);
> > >    return ret;
> > >  }
> > > -- 
> > > 2.30.0
> > > 
> > 
> > I would be happy if you could review this patch as well.
> 
> Sorry, I missed that one!  Pushed.

Thanks!

-- 
Takashi Yano <takashi.yano@nifty.ne.jp>

^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2021-01-18 15:41 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-01-15  9:26 [PATCH] Cygwin: pty: Set input_available_event only for cygwin pipe Takashi Yano
2021-01-18 15:00 ` Takashi Yano
2021-01-18 15:27   ` Corinna Vinschen
2021-01-18 15:41     ` Takashi Yano

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