C++ (Cpp) installSignalHandlerIfNeeded示例

示例#1

文件： signal.c 项目： philfrei/robovm

static jboolean installSignals(Env* env) {
#if defined(DARWIN)
    // On Darwin SIGBUS is generated when dereferencing NULL pointers
    if (installSignalHandlerIfNeeded(SIGBUS, create_sigaction(&signalHandler_npe_so_nochaining), NULL) != 0) {
        rvmThrowInternalErrorErrno(env, errno);
        return FALSE;
    }
#endif

    if (installSignalHandlerIfNeeded(SIGSEGV, create_sigaction(&signalHandler_npe_so_nochaining), NULL) != 0) {
        rvmThrowInternalErrorErrno(env, errno);
        return FALSE;
    }

    if (installSignalHandlerIfNeeded(DUMP_THREAD_STACK_TRACE_SIGNAL, create_sigaction(&signalHandler_dump_thread), NULL) != 0) {
        rvmThrowInternalErrorErrno(env, errno);
        return FALSE;
    }

    int err;
    if ((err = pthread_sigmask(0, NULL, &env->currentThread->signalMask)) != 0) {
        rvmThrowInternalErrorErrno(env, err);
        rvmTearDownSignals(env);
        return FALSE;        
    }

    return TRUE;
}

示例#2

文件： signal.c 项目： Svyatoslavik/robovm

static jboolean reinstallSavedSignals(Env* env, SavedSignals* savedSignals) {
    if (installSignalHandlerIfNeeded(DUMP_THREAD_STACK_TRACE_SIGNAL, create_sigaction(&signalHandler_dump_thread), NULL) != 0) {
        rvmThrowInternalErrorErrno(env, errno);
        return FALSE;
    }

    if (installSignalHandlerIfNeeded(BLOCKED_THREAD_SIGNAL, savedSignals->blockedThreadSignal, NULL) != 0) {
        rvmThrowInternalErrorErrno(env, errno);
        return FALSE;
    }

    return TRUE;
}

示例#3

文件： signal.c 项目： philfrei/robovm

static jboolean installChainingSignals(Env* env) {
#if defined(DARWIN)
    // On Darwin SIGBUS is generated when dereferencing NULL pointers
    if (installSignalHandlerIfNeeded(SIGBUS, create_sigaction(&signalHandler_npe_so_chaining), &sigbusFallback) != 0) {
        rvmThrowInternalErrorErrno(env, errno);
        return FALSE;
    }
#endif

    if (installSignalHandlerIfNeeded(SIGSEGV, create_sigaction(&signalHandler_npe_so_chaining), &sigsegvFallback) != 0) {
        rvmThrowInternalErrorErrno(env, errno);
        return FALSE;
    }

    return TRUE;
}

示例#4

文件： signal.c 项目： wiltonlazary/bugvm

static jboolean installNoChainingSignals(Env* env) {
#if defined(DARWIN)
    // On Darwin SIGBUS is generated when dereferencing NULL pointers
    if (installSignalHandlerIfNeeded(SIGBUS, create_sigaction(&signalHandler_npe_so_nochaining), NULL) != 0) {
        bugvmThrowInternalErrorErrno(env, errno);
        return FALSE;
    }
#endif

    if (installSignalHandlerIfNeeded(SIGSEGV, create_sigaction(&signalHandler_npe_so_nochaining), NULL) != 0) {
        bugvmThrowInternalErrorErrno(env, errno);
        return FALSE;
    }

    if (installSignalHandlerIfNeeded(DUMP_THREAD_STACK_TRACE_SIGNAL, create_sigaction(&signalHandler_dump_thread), NULL) != 0) {
        bugvmThrowInternalErrorErrno(env, errno);
        return FALSE;
    }

    return TRUE;
}