Function GlobalInitializeOrDieImpl

src/brpc/global.cpp:328–657

#endif

static void GlobalInitializeOrDieImpl() {
    //////////////////////////////////////////////////////////////////
    // Be careful about usages of gflags inside this function which //
    // may be called before main() only seeing gflags with default  //
    // values even if the gflags will be set after main().          //
    //////////////////////////////////////////////////////////////////

    // Ignore SIGPIPE.
    struct sigaction oldact;
    if (sigaction(SIGPIPE, NULL, &oldact) != 0 ||
            (oldact.sa_handler == NULL && oldact.sa_sigaction == NULL)) {
        CHECK(SIG_ERR != signal(SIGPIPE, SIG_IGN));
    }

#if GOOGLE_PROTOBUF_VERSION < 3022000
    // Make GOOGLE_LOG print to comlog device
    SetLogHandler(&BaiduStreamingLogHandler);
#endif

    if (bthread_set_span_funcs(CreateBthreadSpanAsVoid,
                                DestroyRpczParentSpan,
                                EndBthreadSpan) != 0) {
        LOG(FATAL) << "Failed to register span callbacks to bthread";
    }

    // Setting the variable here does not work, the profiler probably check
    // the variable before main() for only once.
    // setenv("TCMALLOC_SAMPLE_PARAMETER", "524288", 0);

    // Initialize openssl library
    SSL_library_init();
    // RPC doesn't require openssl.cnf, users can load it by themselves if needed
    SSL_load_error_strings();
    if (SSLThreadInit() != 0 || SSLDHInit() != 0) {
        exit(1);
    }

    // Defined in http_rpc_protocol.cpp
    InitCommonStrings();

    // Leave memory of these extensions to process's clean up.
    g_ext = new(std::nothrow) GlobalExtensions();
    if (NULL == g_ext) {
        exit(1);
    }
    // Naming Services
#ifdef BAIDU_INTERNAL
    NamingServiceExtension()->RegisterOrDie("bns", &g_ext->bns);
#endif
    NamingServiceExtension()->RegisterOrDie("file", &g_ext->fns);
    NamingServiceExtension()->RegisterOrDie("list", &g_ext->lns);
    NamingServiceExtension()->RegisterOrDie("dlist", &g_ext->dlns);
    NamingServiceExtension()->RegisterOrDie("http", &g_ext->dns);
    NamingServiceExtension()->RegisterOrDie("https", &g_ext->dns_with_ssl);
    NamingServiceExtension()->RegisterOrDie("redis", &g_ext->dns);
    NamingServiceExtension()->RegisterOrDie("remotefile", &g_ext->rfns);
    NamingServiceExtension()->RegisterOrDie("consul", &g_ext->cns);
    NamingServiceExtension()->RegisterOrDie("discovery", &g_ext->dcns);