mirror of
https://gitcode.com/JianFeeeee/HomeAgent.git
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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
44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
//go:build ignore
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package main
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/*
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#cgo LDFLAGS: -ldl
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#include <dlfcn.h>
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#include <stdlib.h>
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typedef void (*fn)(void);
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static void call(void* f){ ((fn)f)(); }
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*/
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import "C"
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import (
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"fmt"
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"os"
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"runtime"
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"time"
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"unsafe"
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)
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func threads() int { e,_ := os.ReadDir("/proc/self/task"); return len(e) }
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func main() {
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p := C.CString("./hang.so"); h := C.dlopen(p, C.RTLD_NOW); C.free(unsafe.Pointer(p))
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n := C.CString("hang_forever"); f := C.dlsym(h, n); C.free(unsafe.Pointer(n))
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base := threads()
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fmt.Printf("基线 threads=%d goroutines=%d\n\n", base, runtime.NumGoroutine())
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for i := 1; i <= 20; i++ {
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done := make(chan string, 1)
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go func() { C.call(f); done <- "ok" }()
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select {
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case <-done:
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case <-time.After(120 * time.Millisecond):
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}
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if i%5 == 0 {
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fmt.Printf(" %2d 次卡死调用后: goroutines=%2d threads=%2d (+%d)\n",
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i, runtime.NumGoroutine(), threads(), threads()-base)
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}
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}
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fmt.Printf("\n结论: 20 次超时 → 泄漏 %d goroutine, %d OS 线程\n",
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runtime.NumGoroutine()-1, threads()-base)
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fmt.Println("每个卡在 cgo 里的 goroutine 独占一个 M（OS 线程），无法被抢占或回收")
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}
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