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Date: Wed, 19 Mar 2008 08:46:32 +0200
From: "Alon Bar-Lev" <alon.barlev@gmail.com>
To: cygwin@cygwin.com
Subject: Re: Strange pthread_atfork() behavior
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Hello,

Can anyone test this and see if it behaves differently?
I use latest stable cygwin and Windows 2003.

Thanks,
Alon.

On 3/17/08, Alon Bar-Lev <alon.barlev@gmail.com> wrote:
>
>  Hello,
>
>  Please CC my as I am not subscribed.
>
>  Just notice a difference between Linux and cygwin, hope
>  someone will be able to figure it out.
>
>  When running this program on Linux I get expected behavior.
>
>  When running under cygwin the exec program runs after about 60 seconds.
>  The following is the output:
>
>  __atfork_prepare
>  __atfork_parent
>  before sleep
>  __atfork_child
>  after sleep
>  <parent is not running anymore>
>  <wait about 60 seconds>
>       56 [main] a 2952 sig_send: wait for sig_complete event failed, signal -34, rc 258, Win32 error 0 at child
>  <child output>
>
>  Any clue?
>
>  Regards,
>  Alon Bar-Lev.
>
>  ---
>
>  #include <unistd.h>
>  #include <stdio.h>
>  #include <stdlib.h>
>  #include <pthread.h>
>
>  static void __atfork_prepare  (void) {printf ("__atfork_prepare\n");}
>  static void __atfork_parent (void) {printf ("__atfork_parent\n");}
>  static void __atfork_child (void) {printf ("__atfork_child\n");}
>
>  int main (void) {
>         pthread_atfork (__atfork_prepare, __atfork_parent, __atfork_child);
>
>         if (fork () == 0) {
>                 printf ("at child\n");
>                 execl ("/bin/ls", "/bin/ls", NULL);
>         }
>
>         printf ("before sleep\n");
>         sleep (10);
>         printf ("after sleep\n");
>  }
>

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