Can a parent process determine its child's status ?

[Chris Torek]

>In article <5090.25e135aa at mva.cs.liv.ac.uk> adh at mva.cs.liv.ac.uk writes:
>>Unfortunately, a [nonblocking] call to 'read' returns zero if the child
>>hasn't sent any new data *OR* [for EOF]....

In article <2377 at rex.cs.tulane.edu> mb at rex.cs.tulane.edu (Mark Benard) writes:
>If you have BSD, you can use select instead of polling.

If you have BSD, a non-blocking read() will return -1 with errno set to
EWOULDBLOCK; an EOF returns 0 with errno unchanged.

Anyway, the original question (about detecting exited children) has already
been answered.
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 7163)
Domain:	chris at cs.umd.edu	Path:	uunet!mimsy!chris