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Changelog for uml-patch-2.4.18-12.bz2
Release Date : Mar 28 2002
Released By : jdike
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Fixed the console flow control bug. This was done by buffering unsent
data when the host device fills up and enabling a write IRQ on the
device. When the interrupt arrives, as much data from the buffer as
will go is pushed out.
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Since Linux terminals don't deliver output SIGIO, they are emulated
with a separate thread polling for POLLOUT and sending a character
over a unix socket to generate the interrupt.
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There is a boot-time test for ptys supporting output SIGIO.
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Fixed a couple more SIGWINCH error messages.
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Fixed a crash from a NULL tty.
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