Re: set -e and SIGCHLD

["Clive D.W. Feather" <yyyyy@xxxxxxxxx>]

yyyyyyyyyyyyyyy@xxxxxx said:
> 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.

Right.

> 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.

No - the kernel acts as the agent of the parent and runs the relevant code.

I don't care much about how it's worded; the important point is:
    SIGCHLD = SIG_DFL or function:  process becomes a zombie
    SIGCHLD = SIG_IGN:              process does not become a zombie

-- 
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