Unix Programming - Re: fork/exec vs system

Author

Re: fork/exec vs system

Jens Thoms Toerring

2007-01-24, 7:19 pm

Connie <yeconnie@gmail.com> wrote:
> I heard that PERL by deafult set close-on-exec for all descriptors except
> STDIN STDOUT and STDERR. If that is true,

Looks like that's the case, see p. 423ff in the Camel book (3rd ed.).
You seem to have to clear the close-on-exec flag to make sure the
file gets inherited by an exec()ed process (or diddle with the $^F
variable while opening the file).

Regards, Jens
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