Re: [50 character or so descriptive subject here (for reference)]

[Chet Ramey]

I wrote:

> If the SIGCHLD happens between the time that wait_for finds that the
> child process is running and the time it calls waitchld(), there might
> be a problem.  There's a very small window before wait_for sets
> waiting_for_job to 1 and calls waitchld() that a SIGCHLD may arrive.

This is wrong; the first thing wait_for() does is to block SIGCHLD.
There's no window.

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet)

Chet Ramey, CWRU    chet@po.CWRU.Edu    http://cnswww.cns.cwru.edu/~chet/