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wait for non-child PID

X-seq: zsh-workers 12380
From: Tanaka Akira <akr@xxxxxxxx>
To: zsh-workers@xxxxxxxxxxxxxx
Subject: wait for non-child PID
Date: 26 Jul 2000 18:06:54 +0900
Mailing-list: contact zsh-workers-help@xxxxxxxxxxxxxx; run by ezmlm

I heard that wait has a problem if the argument is non-child PID.

For example,

% wait 1

blocks forever.  (It is interruptible.)

bash detects that the PID is not child of the shell.

bash-2.04$ wait 1
bash: wait: pid 1 is not a child of this shell
-- 
Tanaka Akira

Follow-Ups:
- Re: wait for non-child PID
  - From: Clint Adams

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