32 lines
1.0 KiB
Go
32 lines
1.0 KiB
Go
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//go:build windows
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package hotime
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import (
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"syscall"
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"time"
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)
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var kernel32 = syscall.NewLazyDLL("kernel32.dll")
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var procSetConsoleCtrlHandler = kernel32.NewProc("SetConsoleCtrlHandler")
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// registerWindowsCloseHandler 注册 Windows 控制台关闭事件处理器,
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// 捕获用户点击控制台 X 按钮、系统注销/关机等事件,触发优雅停机。
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//
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// Windows 在 CTRL_CLOSE_EVENT 后约 5 秒会强制结束进程,
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// 因此此路径使用更短的 drain(2s)+shutdown(3s),总计 <5s。
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// 对于需要更长时间的场景,请改用 taskkill /PID 或 Ctrl+C。
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func (that *Application) registerWindowsCloseHandler() {
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handler := func(ctrl uintptr) uintptr {
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switch ctrl {
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case 2, 5, 6: // CTRL_CLOSE_EVENT=2, CTRL_LOGOFF_EVENT=5, CTRL_SHUTDOWN_EVENT=6
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that.initiateGracefulShutdown(2*time.Second, 3*time.Second)
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time.Sleep(6 * time.Second)
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return 1 // TRUE, 已处理
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}
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return 0 // FALSE, 交给下一个 handler
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}
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procSetConsoleCtrlHandler.Call(syscall.NewCallback(handler), 1)
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}
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