CVS commit: src/sys/arch/usermode/usermode

["Reinoud Zandijk" <reinoud%netbsd.org@localhost>]

Module Name:    src
Committed By:   reinoud
Date:           Sat Aug  4 14:53:32 UTC 2012

Modified Files:
        src/sys/arch/usermode/usermode: trap.c

Log Message:
Fix IO lockups in NetBSD/usermode.

1) Don't block IO signals since the return path is not garanteed to enable the
signal again.
2) Since signals can get dropped, do a 2nd pass over the routines.


To generate a diff of this commit:
cvs rdiff -u -r1.65 -r1.66 src/sys/arch/usermode/usermode/trap.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.