[phobos] Major improvements to std.process

[Steve Schveighoffer]

This is a perfect solution, as I think it's similar to what Windows does.  If Windows is terminated by an unhandled exception, then it returns the exception number.  I don't think this always happens correctly.  For instance, I think if you terminate a process via program manager, it just exits with a 0 (I never trust exit codes from programs on Windows anyways, there seems to be a lack of respect for it among windows developers).  But at least we get a best effort for all OSes.

Thanks!

-Steve



----- Original Message ----
> From: Lars Tandle Kyllingstad <lars at kyllingen.net>
> 
> Steve Schveighoffer wrote:
> > The signal termination aspect of wait is not portable to Windows.  Should we 
> put a note that the function only occurs on POSIX systems, or is that enough to 
> remove the feature?
> 
> Is there no way of detecting abnormal termination, such as a process being 
> killed by the process manager?
> 
> If not, then we can do what is currently done in std.process, namely
> 
>    if (terminatedNormally)       return exitCode;
>    else if (terminatedBySignal)  return -signal;
> 
> This works because POSIX exit codes are restricted to the range 0-255.
> 
> -Lars
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