mirror of
https://gitcode.com/JianFeeeee/HomeAgent.git
synced 2026-09-21 17:38:10 +00:00
304cad0648
- docs/zh/架构迁移评估.md: C ABI→子进程+共享内存完整迁移论证(1621行) - docs/zh/experiments/: 18项可复跑可行性实验(架构评估的所有数字来源) - plan.md §11: 11.1~11.9 插件架构缺陷修复清单(唯一权威编号) - main 保持干净,本批次为 update 特性分支的整改起点
51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
//go:build ignore
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package main
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import (
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"bufio"
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"encoding/binary"
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"encoding/json"
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"fmt"
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"os"
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"strconv"
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"golang.org/x/sys/unix"
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)
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// 模拟插件：拿锁 → 读 final_text → 追加自己的标记 → 写回 → 放锁
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// 锁通过 stdio RPC 向内核申请（方案 3.7：锁仲裁回归内核，无 cgo）
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func main() {
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tag := os.Args[1]
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shmf := os.NewFile(3, "shm")
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data, err := unix.Mmap(int(shmf.Fd()), 0, 65536, unix.PROT_READ|unix.PROT_WRITE, unix.MAP_SHARED)
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if err != nil { fmt.Fprintln(os.Stderr, "mmap:", err); os.Exit(1) }
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dec := json.NewDecoder(bufio.NewReader(os.Stdin))
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w := bufio.NewWriter(os.Stdout)
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enc := json.NewEncoder(w)
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rpc := func(method string) {
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enc.Encode(map[string]string{"method": method}); w.Flush()
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var r map[string]interface{}; dec.Decode(&r)
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}
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const iters = 300
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for i := 0; i < iters; i++ {
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rpc("stage.lock")
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// --- 临界区：偏移解引用读写 final_text ---
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off := binary.LittleEndian.Uint32(data[0:4])
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ln := binary.LittleEndian.Uint32(data[4:8])
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cur := string(data[off : off+ln])
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add := tag
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newS := cur + add
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// append-only arena：写到新位置
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newOff := binary.LittleEndian.Uint32(data[8:12])
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if int(newOff)+len(newS) > 65536 { rpc("stage.unlock"); break }
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copy(data[newOff:], []byte(newS))
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binary.LittleEndian.PutUint32(data[0:4], newOff)
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binary.LittleEndian.PutUint32(data[4:8], uint32(len(newS)))
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binary.LittleEndian.PutUint32(data[8:12], newOff+uint32(len(newS)))
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rpc("stage.unlock")
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}
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fmt.Fprintln(os.Stderr, "worker "+tag+" done, iters="+strconv.Itoa(iters))
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}
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