Re: _exit(), tcflush() and all that (Re: Problem: shell prompt doesn't

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Tue May 23 2000 - 12:22:13 EDT

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    > It turns out that the linux _exit() was closing the tty and waiting for the
    > tty output to drain before finishing the process cleanly.

    The tty output drain rules are defined by POSIX 1003.1g. In some cases
    it includes a time waiting in close() (thus in _exit())

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