[Xfce4-commits] r19323 - libxfcegui4/trunk/libxfcegui4

Jasper Huijsmans jasper at xfce.org
Sat Jan 7 11:00:00 CET 2006


Brian J. Tarricone schreef:
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> On 1/7/2006 1:33 AM, Jasper Huijsmans wrote:
>> Brian J. Tarricone schreef:
>> ...
>>
>>>> SIGCHLD is ignored by default, isn't it?
>>> Nope.
>> Hmm, according to the glibc info page, it is.
> 
> Then it lies.  Try this awesome little one-liner:
> 
> void main() { switch(fork()) { case -1: exit(1); case 0: _exit(0);
> default: while(1); } }
> 
> Run it, and you'll see that a zombie is left.  At least it is on my box
> (glibc 2.3.5).  I get this:
> 
> brian at kelnos ~ $ ./testsigchld &
> [1] 17421
> brian at kelnos ~ $ ps
>   PID TTY          TIME CMD
> 17312 pts/1    00:00:00 bash
> 17421 pts/1    00:00:00 testsigchld
> 17422 pts/1    00:00:00 testsigchld <defunct>
> 17423 pts/1    00:00:00 ps
> 

That is exactly because SIGCHLD is not handled, or am I missing something?

I thought Danny added a callback, because SIGCHLD would stop the 
program. Did I read that wrong?





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