SIR_TTY 134 arch/i386/include/intr.h #define setsofttty() softintr(1 << SIR_TTY, IPL_SOFTTTY) SIR_TTY 302 arch/i386/isa/isa_machdep.c IMASK(IPL_SOFTTTY) |= 1 << SIR_TTY;