.TH sphi() "" "" "Internal Kernel Routine"
.PC "Disable interrupts"
\fBint sphi()\fR
.PP
.B sphi()
disables hardware interrupts.
It returns a value that describes the previous hardware interrupt state.
A driver could later pass that value to
.B spl()
to restore the previous hardware interrupt state.
.SH "See Also"
.B
internal kernel routines,
spl()
.R
