Function pid_count_producer

tests/c_api/sample_plugin.cpp:37–48

}

static int pid_count_producer(lmpfs_handle_t eng, lmpfs_plugin_buffer_t* out) {
    int n = lmpfs_process_count(eng);
    char buf[64];
    int  len = std::snprintf(buf, sizeof(buf), "%d processes visible\n", n);
    if (len < 0) return -1;
    out->length  = (size_t)len;
    out->data    = std::malloc(out->length);
    if (!out->data) return -1;
    std::memcpy(out->data, buf, out->length);
    out->free_fn = nullptr;
    return 0;
}

/* ---- required init export ---------------------------------------------- */