Commit Graph

5 Commits

Author SHA1 Message Date
Andriy Gapon
9976156f12 kern cons: introduce infrastructure for console grabbing by kernel
At the moment grab and ungrab methods of all console drivers are no-ops.

Current intended meaning of the calls is that the kernel takes control of
console input.  In the future the semantics may be extended to mean that
the calling thread takes full ownership of the console (e.g. console
output from other threads could be suspended).

Inspired by:	bde
MFC after:	2 months
2011-12-17 15:08:43 +00:00
Andriy Gapon
7b9df13bcd there must be only one SYSINIT with SI_SUB_RUN_SCHEDULER+SI_ORDER_ANY order
SI_SUB_RUN_SCHEDULER+SI_ORDER_ANY should only be used to call
scheduler() function which turns the initial thread into swapper proper
and thus there is no further SYSINIT processing.
Other SYSINITs with SI_SUB_RUN_SCHEDULER+SI_ORDER_ANY may get ordered
after scheduler() and thus never executed.  That particular relative
order is semi-arbitrary.

Thus, change such places to use SI_ORDER_MIDDLE.
Also, use SI_ORDER_MIDDLE instead of correct, but less appealing,
SI_ORDER_ANY - 1.

MFC after:	1 week
2010-09-30 17:05:23 +00:00
Robert Watson
cc456a74ab Commit SYSINIT() ;-adding patch missed in previous pass.
MFC after:	1 month
Caught by:	tinderbox
2008-03-16 13:02:04 +00:00
Poul-Henning Kamp
7672c95932 Convert to new console api 2006-05-26 13:54:27 +00:00
Sam Leffler
7d0c6c9fc5 add support for copying console messages to a remote gdb
Reviewed by:	kan
2006-03-23 23:06:14 +00:00