Files
containerd/vendor/github.com/containerd/go-runc/io_windows.go
Michael Crosby 906acb18b6 Don't provide IO when it's not set
This makes sure that runc does not get any valid IO for the pipe.  Some
builds and other containers will be stuck if they inspect stdin
expecially and its a pipe but not connected to any user input.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
2018-09-07 18:30:31 -04:00

63 lines
1.4 KiB
Go

// +build windows
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package runc
// NewPipeIO creates pipe pairs to be used with runc
func NewPipeIO(opts ...IOOpt) (i IO, err error) {
option := defaultIOOption()
for _, o := range opts {
o(option)
}
var (
pipes []*pipe
stdin, stdout, stderr *pipe
)
// cleanup in case of an error
defer func() {
if err != nil {
for _, p := range pipes {
p.Close()
}
}
}()
if option.OpenStdin {
if stdin, err = newPipe(); err != nil {
return nil, err
}
pipes = append(pipes, stdin)
}
if option.OpenStdout {
if stdout, err = newPipe(); err != nil {
return nil, err
}
pipes = append(pipes, stdout)
}
if option.OpenStderr {
if stderr, err = newPipe(); err != nil {
return nil, err
}
pipes = append(pipes, stderr)
}
return &pipeIO{
in: stdin,
out: stdout,
err: stderr,
}, nil
}