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31 lines
910 B
Go
31 lines
910 B
Go
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See License.txt for license information.
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package rpcplugin
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import (
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"io"
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"os"
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)
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// Returns a new IPC for the parent process and a set of files to pass on to the child.
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//
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// The returned files must be closed after the child process is started.
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func NewIPC() (io.ReadWriteCloser, []*os.File, error) {
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parentReader, childWriter, err := os.Pipe()
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if err != nil {
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return nil, nil, err
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}
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childReader, parentWriter, err := os.Pipe()
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if err != nil {
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parentReader.Close()
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childWriter.Close()
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return nil, nil, err
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}
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return NewReadWriteCloser(parentReader, parentWriter), []*os.File{childReader, childWriter}, nil
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}
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// Returns the IPC instance inherited by the process from its parent.
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func InheritedIPC(fd0, fd1 uintptr) (io.ReadWriteCloser, error) {
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return NewReadWriteCloser(os.NewFile(fd0, ""), os.NewFile(fd1, "")), nil
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}
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