Function AppInit

src/bitcoind.cpp:169–260

}

static bool AppInit(NodeContext& node)
{
    bool fRet = false;
    ArgsManager& args = *Assert(node.args);

#if HAVE_DECL_FORK
    // Communication with parent after daemonizing. This is used for signalling in the following ways:
    // - a boolean token is sent when the initialization process (all the Init* functions) have finished to indicate
    // that the parent process can quit, and whether it was successful/unsuccessful.
    // - an unexpected shutdown of the child process creates an unexpected end of stream at the parent
    // end, which is interpreted as failure to start.
    TokenPipeEnd daemon_ep;
#endif
    std::any context{&node};
    try
    {
        // -server defaults to true for bitcoind but not for the GUI so do this here
        args.SoftSetBoolArg("-server", true);
        // Set this early so that parameter interactions go to console
        InitLogging(args);
        InitParameterInteraction(args);
        if (!AppInitBasicSetup(args, node.exit_status)) {
            // InitError will have been called with detailed error, which ends up on console
            return false;
        }
        if (!AppInitParameterInteraction(args)) {
            // InitError will have been called with detailed error, which ends up on console
            return false;
        }

        node.warnings = std::make_unique<node::Warnings>();

        node.kernel = std::make_unique<kernel::Context>();
        node.ecc_context = std::make_unique<ECC_Context>();
        if (!AppInitSanityChecks(*node.kernel))
        {
            // InitError will have been called with detailed error, which ends up on console
            return false;
        }

        if (args.GetBoolArg("-daemon", DEFAULT_DAEMON) || args.GetBoolArg("-daemonwait", DEFAULT_DAEMONWAIT)) {
#if HAVE_DECL_FORK
            tfm::format(std::cout, CLIENT_NAME " starting\n");

            // Daemonize
            switch (fork_daemon(1, 0, daemon_ep)) { // don't chdir (1), do close FDs (0)
            case 0: // Child: continue.
                // If -daemonwait is not enabled, immediately send a success token the parent.
                if (!args.GetBoolArg("-daemonwait", DEFAULT_DAEMONWAIT)) {
                    daemon_ep.TokenWrite(1);
                    daemon_ep.Close();
                }
                break;
            case -1: // Error happened.
                return InitError(Untranslated(strprintf("fork_daemon() failed: %s", SysErrorString(errno))));
            default: { // Parent: wait and exit.
                int token = daemon_ep.TokenRead();
                if (token) { // Success