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

["Christos Zoulas" <christos%netbsd.org@localhost>]

Module Name:    src
Committed By:   christos
Date:           Sat Dec 31 21:29:12 UTC 2011

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

Log Message:
- fix syscall error returns
- fix clobbered errno
- use warn instead of perror
- use ssize_t consistently
- retry on EINTR and EAGAIN


To generate a diff of this commit:
cvs rdiff -u -r1.70 -r1.71 src/sys/arch/usermode/usermode/thunk.c

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