spawnv() unlocks files in the calling program

[Steven Bardwell]

> 
> Ok, I can reproduce it, but it's too late to debug this today.
> 
> I have to say, though, that fcntl advisory locking is POSIX
> functionality, while the spawn functions are not.  In fact these dreaded
> spawn entry points are rather old stuff, which hasn't been tested for a
> long time.  FWIW, advisory file locking has never been tested with them,
> and the fact that it doesn't work as expected doesn't exactly disturb me.
> 
> 
> Corinna
> 
> --
Knowing this, I will use the posix_spawn() function -- I wanted to reduce the
number of fork() calls  in my application (because of the many warnings about
the complexity of the Cygwin implementation of fork() and reported problems
with it), but if spawnv() won't do what I need, then under the bus it goes.

Steve



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