Function sigsegvHandler

src/debug.cpp:2025–2065

}

void sigsegvHandler(int sig, siginfo_t *info, void *secret) {
    UNUSED(secret);
    UNUSED(info);
    g_fInCrash = true;

    bugReportStart();
    serverLog(LL_WARNING,
        "KeyDB %s crashed by signal: %d, si_code: %d", KEYDB_REAL_VERSION, sig, info->si_code);
    if (sig == SIGSEGV || sig == SIGBUS) {
        serverLog(LL_WARNING,
        "Accessing address: %p", (void*)info->si_addr);
    }
    if (info->si_code <= SI_USER && info->si_pid != -1) {
        serverLog(LL_WARNING, "Killed by PID: %ld, UID: %d", (long) info->si_pid, info->si_uid);
    }

#ifdef HAVE_BACKTRACE
    ucontext_t *uc = (ucontext_t*) secret;
    void *eip = getMcontextEip(uc);
    if (eip != NULL) {
        serverLog(LL_WARNING,
        "Crashed running the instruction at: %p", eip);
    }

    logStackTrace(getMcontextEip(uc), 1);

    logRegisters(uc);
#endif
#ifdef UNW_LOCAL_ONLY
    logStackTrace(NULL, 1);
#endif 

    printCrashReport();

#ifdef HAVE_BACKTRACE
    if (eip != NULL)
        dumpCodeAroundEIP(eip);
#endif

    bugReportEnd(1, sig);
}

void printCrashReport(void) {
    g_fInCrash = true;