Updated to final 1.1.5 version (revision 1.56).

Browse Source

Merged changes from 2.0 version (revisions 1.46-1.50) by hand.

Finished conversion to clists: removed flush of tty output buffer
in comflush() (most writes were truncated to 256 bytes) and restored
bypass of ttyinput() in siopoll().

Finished conversion to 2.0 types - more void *'s, less caddr_t's,
less casts, no Dev_t's.

Only these things are seriously broken now compared with 1.1.5:
waiting for output complete is impossible so ttywait() can deadlock;
sioclose() isn't called enough so sioopen() sometimes returns EBUSY
unnecessarily; input flow control is not implemented.

...

This commit is contained in:

Bruce Evans

1994-08-25 10:15:28 +00:00

parent 5b96a5b90d

commit 3e0a35fee4

3 changed files with 1527 additions and 1416 deletions

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sys/dev/sio/sio.c

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sys/i386/isa/sio.c

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sys/isa/sio.c

+509 -472

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