Function HasInit

src/brpc/details/jemalloc_profiler.cpp:56–63

extern int MakeProfName(ProfilingType type, char* buf, size_t buf_len);

static bool HasInit(const std::string& fn) {
    static std::set<std::string> fns;
    if (fns.count(fn) > 0) {
        return true;
    }
    fns.insert(fn);
    return false;
}

bool HasJemalloc() {
    return mallctl != nullptr;