Function jemallocOptionEnabled

programs/server/Server.cpp:200–209

#if USE_JEMALLOC
static bool jemallocOptionEnabled(const char *name)
{
    bool value;
    size_t size = sizeof(value);

    if (mallctl(name, reinterpret_cast<void *>(&value), &size, /* newp= */ nullptr, /* newlen= */ 0))
        throw Poco::SystemException("mallctl() failed");

    return value;
}
#else
static bool jemallocOptionEnabled(const char *) { return 0; }
#endif