Re: set -e and SIGCHLD

[yyyyyyyyy@xxxxxxxxxxxx]

>From: yyyyyyyyyyyyyyy@xxxxxx

>When a process dies its resources can be freed, except
>that maybe someone wants to see its exit status
>so some structure related to the deceased process
>survives. In this stage the process is called
>a zombie.

>You (=Clive) said something like (forgive my bad memory)
>"it is false that the parent process does nothing,
>it converts the child into a zombie".
>But that is a strange formulation.
>No code of the parent process is run for this conversion.
>A terminated process is a zombie by definition, until
>either it has been waited upon, or we decide that
>waiting is not required for the child to be reaped.

If it reads "if the parent process does nothing, the child
is converted into a zombie" it would look OK.

A zombie is a process where all resources have been freed
execpt some information that could be returned if it
is waited on.

Jörg

 EMail:yyyyy@xxxxxxxxxxxxxxxxxxxxxxxxxxx (home) Jörg Schilling D-13353 Berlin
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