eb58ecab7c
This adds null IO option for efficient handling of IO. It provides a container directly with `/dev/null` and does not require any io.Copy within the shim whenever a user does not want the IO of the container. Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
// +build !windows
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package shim
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import (
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"context"
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"io"
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"time"
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"github.com/containerd/console"
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)
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type stdio struct {
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stdin string
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stdout string
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stderr string
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terminal bool
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}
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func (s stdio) isNull() bool {
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return s.stdin == "" && s.stdout == "" && s.stderr == ""
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}
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type process interface {
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// ID returns the id for the process
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ID() string
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// Pid returns the pid for the process
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Pid() int
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// Resize resizes the process console
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Resize(ws console.WinSize) error
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// SetExited sets the exit status for the process
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SetExited(status int)
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// ExitStatus returns the exit status
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ExitStatus() int
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// ExitedAt is the time the process exited
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ExitedAt() time.Time
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// Delete deletes the process and its resourcess
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Delete(context.Context) error
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// Stdin returns the process STDIN
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Stdin() io.Closer
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// Kill kills the process
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Kill(context.Context, uint32, bool) error
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// Stdio returns io information for the container
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Stdio() stdio
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// Start execution of the process
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Start(context.Context) error
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// Status returns the process status
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Status(ctx context.Context) (string, error)
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}
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