[Issue 14770] std.process should use lightweight forks where available

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=14770

David Soria Parra <dsp at experimentalworks.net> changed:

           What    |Removed                     |Added
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                 CC|                            |dsp at experimentalworks.net

--- Comment #2 from David Soria Parra <dsp at experimentalworks.net> ---
https://github.com/D-Programming-Language/phobos/pull/3476

I opted for using vfork. It seems we are in all cases doing the right thing,
not tempering with the process space and correctly calling execv* or _exit.

It seems that the "correct" method would be using posix_spawn, however we need
support for this in druntime, so at the moment, I think going with vfork is
less invasive while providing the proposed enhancements.

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