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| 1 | //go:build linux |
| 2 | |
| 3 | package maintenanceexec |
| 4 | |
| 5 | import "os" |
| 6 | |
| 7 | type processPipes struct{ inR, inW, outR, outW, contextR, contextW *os.File } |
| 8 | |
| 9 | func newPipes() (p *processPipes, err error) { |
| 10 | p = &processPipes{} |
| 11 | defer func() { |
| 12 | if err != nil { |
| 13 | p.close() |
| 14 | } |
| 15 | }() |
| 16 | if p.inR, p.inW, err = os.Pipe(); err != nil { |
| 17 | return p, err |
| 18 | } |
| 19 | if p.outR, p.outW, err = os.Pipe(); err != nil { |
| 20 | return p, err |
| 21 | } |
| 22 | if p.contextR, p.contextW, err = os.Pipe(); err != nil { |
| 23 | return p, err |
| 24 | } |
| 25 | return p, nil |
| 26 | } |
| 27 | func (p *processPipes) close() { |
| 28 | for _, f := range []*os.File{p.inR, p.inW, p.outR, p.outW, p.contextR, p.contextW} { |
| 29 | if f != nil { |
| 30 | f.Close() |
| 31 | } |
| 32 | } |
| 33 | } |
| 34 | |
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