diff options
| -rw-r--r-- | cases/function/hwpoison/tprctl.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/cases/function/hwpoison/tprctl.c b/cases/function/hwpoison/tprctl.c index d07e9d2..41a992b 100644 --- a/cases/function/hwpoison/tprctl.c +++ b/cases/function/hwpoison/tprctl.c @@ -39,8 +39,10 @@ static int madvise_poison(void *addr, size_t length, int advice) sigjmp_buf recover_ctx; volatile int seq; -void handler(int sig) +void sighandler(int sig, siginfo_t *si, void *arg) { + printf("signal %d code %d addr %p\n", sig, si->si_code, si->si_addr); + siglongjmp(recover_ctx, 1); } @@ -51,7 +53,11 @@ void test(int early) MAP_PRIVATE|MAP_ANONYMOUS|MAP_POPULATE, 0,0); if (ptr == (char *)-1L) err("mmap"); - signal(SIGBUS, handler); + struct sigaction sa = { + .sa_sigaction = sighandler, + .sa_flags = SA_SIGINFO + }; + sigaction(SIGBUS, &sa, NULL); printf("ptr = %p\n", ptr); if (sigsetjmp(recover_ctx, 1) == 0) { seq = 0; |