Re: re-entrant programs

[toddpw@cco.caltech.edu (Todd P. Whitesel)]

bazyar@teal.csn.org (Jawaid Bazyar) writes:

>   're-entrant' means that more than one process may execute the program
>at the same time.  Usually the term is applied only to subroutines
>of a program.. recursive subroutines are reentrant, and that should
>give us a starting point.

Nitpick time!! Recursion does not imply reentrancy. You can have a recursive
routine that uses unarbitrated global data, which destroys its reentrancy.

>  As I mentioned above, recursive subroutines.  Usually, program
>segments that are reentrant store all variables on the CPU stack;

"Usually" is right. I just didn't want to let that general statement get by.

Todd Whitesel
toddpw @ cco.caltech.edu