53 lines
989 B
Go
53 lines
989 B
Go
package oci
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import (
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"io"
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"os"
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"github.com/crosbymichael/go-runc"
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)
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type OIO struct {
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master *os.File // master holds a fd to the created pty if any
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console string // console holds the path the the slave linked to master
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rio runc.IO // rio holds the open fifos for stdios
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}
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func newOIO(stdin, stdout, stderr string, console bool) (o OIO, err error) {
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defer func() {
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if err != nil {
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o.cleanup()
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}
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}()
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if o.rio.Stdin, err = os.OpenFile(stdin, os.O_RDONLY, 0); err != nil {
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return
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}
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if o.rio.Stdout, err = os.OpenFile(stdout, os.O_WRONLY, 0); err != nil {
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return
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}
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if o.rio.Stderr, err = os.OpenFile(stderr, os.O_WRONLY, 0); err != nil {
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return
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}
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if console {
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o.master, o.console, err = newConsole(0, 0)
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if err != nil {
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return
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}
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go io.Copy(o.master, o.rio.Stdin)
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go func() {
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io.Copy(o.rio.Stdout, o.master)
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o.master.Close()
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}()
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}
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return
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}
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func (o OIO) cleanup() {
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if o.master != nil {
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o.master.Close()
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}
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o.rio.Close()
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}
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