siginfo_t        2275 gc/os_dep.c    #   define SIGINFO_T siginfo_t
siginfo_t        2301 gc/os_dep.c            typedef void (* REAL_SIG_PF)(int, siginfo_t *, s_c *);
siginfo_t        2418 gc/os_dep.c            void GC_write_fault_handler(int sig, siginfo_t * si, s_c * scp)
siginfo_t        3619 gc/os_dep.c    static void GC_darwin_sigbus(int num,siginfo_t *sip,void *context) {