exit bug on 1.7.17 ?

Corinna Vinschen corinna-cygwin@cygwin.com
Fri Mar 8 11:01:00 GMT 2013


On Mar  7 18:51, marco atzeri wrote:
> 
> Corinna, Cgf,
> your opinion please, I guess this behavior changed long time ago

I'm not overly fluent with the process signalling stuff.  It might
be helpful to know which Cygwin version introduced this change.


Corinna


> -------- Original Message --------
> Subject: Re: Postgresql for cygwin - 2nd
> Date: Thu, 07 Mar 2013 12:16:04 -0500
> From: Andrew Dunstan
> To: marco atzeri
> 
> 
> pg_ctl is broken because it hangs waiting for a child process to finish.
> This can be seen with the following test program:
> 
>    #include <stdio.h>
>    #include <stdlib.h>
> 
>    main()
>    {
>         system("sleep 5 && echo waking&");
>         printf("done\n");
>         exit(0);
>    }
> 
> On my Cygwin 1.7.7/ gcc 4.3.4 system this program returns immediately as
> expected and does not wait for the child to exit. However, on Cygwin
> 1.7.17 / gcc 4.5.3 it does not return until the child exits, even though
> the system() call returns immediately.
> 
> That's a major piece of breakage (and nothing to to with Postgres, of
> course).
> 
> cheers
> 
> andrew
> 
> On 03/06/2013 05:17 PM, marco atzeri wrote:
> >Andrew,
> >attached clean version of previous patch.
> >
> >I reversed the postgres.exe changes, for the time being, to allow
> >a complete compilation.
> >
> >- Every dll  is built with  "gcc -shared",
> >- DLLWRAP is not used anymore
> >- DLLTOLL is only used for postgres.exe
> >
> >I will upload a test package to allow user tests
> >
> >Regards
> >Marco
> 
> 
> 
> 
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-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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