Avoid zombie processes with std.process

[FreeSlave via Digitalmars-d]

On Thursday, 25 August 2016 at 07:32:29 UTC, Shachar Shemesh 
wrote:
> On 24/08/16 14:04, FreeSlave wrote:
>> Are there plans on adding something like spawnProcessDetached 
>> that would
>> start processes completely independent from parent? I.e. in 
>> other
>> process group and, what is important, with no need for wait.
>>
>> On Posix that could be done via double fork technique. Not 
>> sure about
>> Windows.
>
> Double fork on Posix is, usually, used for something slightly 
> different. In particular, since you bring up the process group, 
> I think you mean daemonization.
>
> Daemonization, however, does a bit more than create a new 
> process group and double forking.
>
> http://forum.dlang.org/thread/d83ugn$265f$1@digitaldaemon.com 
> has discussion and some code regarding this issue.
>
> Shachar

It's not about daemonization only. Different process group is 
needed to prevent signal distribution. Again, e.g. file manager 
and launched application may want to not be connected in any way.