Paul Johnson wrote:
>>Is <code>use POSIX ":sys_wait_h";</code> portable?
>>
> 
> It is on systems that support it.

It looks like it won't on the Windows systems, right?

> 
>>>What does it mean when $pid is -1?
>>>
> 
> It means wait for any child process.

Then, the pid's of the child processes don't need to be held to be 
waited for.

-- 
Ahmed Moustafa
http://pobox.com/~amoustafa


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