Method emit

server/src/common/daemon_loop.cpp:35–51

// ── DaemonIO ────────────────────────────────────────────────────────────

void DaemonIO::emit(int32_t v) const {
    // Call the token callback for non-sentinel tokens.
    if (on_token && v >= 0) {
        if (!on_token(v)) {
            cancelled = true;
            return;
        }
    }

    if (stream_fd < 0) return;
#ifndef _WIN32
    ssize_t n = ::write(stream_fd, &v, sizeof(v));
    (void)n;
#else
    _write(stream_fd, &v, sizeof(v));
#endif
}

DaemonIO DaemonIO::with_token_callback(const TokenCallback & cb) const {
    DaemonIO out = *this;