__SI_CODE         161 include/uapi/asm-generic/siginfo.h #define SI_TIMER __SI_CODE(__SI_TIMER,-2) /* sent by timer expiration */
__SI_CODE         162 include/uapi/asm-generic/siginfo.h #define SI_MESGQ __SI_CODE(__SI_MESGQ,-3) /* sent by real time mesq state change */