WAITing for specific process
Arthur David Olson
ado at elsie.UUCP
Mon Aug 5 23:51:58 AEST 1985
> > . . .What if you want to wait for a particular child?
>
> . . .#define DELAY 2 /* test interval, in seconds */
>
> while ( kill( pid, 0 ) == 0 )
> sleep( (unsigned)DELAY );
> }
Please note that this technique is not portable to 4.1bsd systems, where
attempts to use signal zero always cause kill to return a non-zero value.
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