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32 lines
945 B
32 lines
945 B
// Copyright (c) Tailscale Inc & contributors
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// SPDX-License-Identifier: BSD-3-Clause
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//go:build !plan9 && !js && !wasip1 && !wasm
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package neterror
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import (
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"errors"
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"io"
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"io/fs"
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"runtime"
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"syscall"
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)
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// Reports whether err resulted from reading or writing to a closed or broken pipe.
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func IsClosedPipeError(err error) bool {
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// 232 is Windows error code ERROR_NO_DATA, "The pipe is being closed".
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if runtime.GOOS == "windows" && errors.Is(err, syscall.Errno(232)) {
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return true
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}
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// EPIPE/ENOTCONN are common errors when a send fails due to a closed
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// socket. There is some platform and version inconsistency in which
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// error is returned, but the meaning is the same.
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// Libraries may also return root errors like fs.ErrClosed/io.ErrClosedPipe
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// due to a closed socket.
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return errors.Is(err, syscall.EPIPE) ||
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errors.Is(err, syscall.ENOTCONN) ||
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errors.Is(err, fs.ErrClosed) ||
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errors.Is(err, io.ErrClosedPipe)
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}
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