Add containerd-shim binary

Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>

cmd/containerd-shim/process_solaris.go

@@ -0,0 +1,70 @@
+// +build solaris
+
+package main
+
+import (
+	"io"
+	"os"
+	"syscall"
+)
+
+// setPDeathSig is a no-op on Solaris as Pdeathsig is not defined.
+func setPDeathSig() *syscall.SysProcAttr {
+	return nil
+}
+
+// TODO: Update to using fifo's package in openIO. Need to
+// 1. Merge and vendor changes in the package to use sys/unix.
+// 2. Figure out why context.Background is timing out.
+// openIO opens the pre-created fifo's for use with the container
+// in RDWR so that they remain open if the other side stops listening
+func (p *process) openIO() error {
+	p.stdio = &stdio{}
+	var (
+		uid = p.state.RootUID
+	)
+	i, err := p.initializeIO(uid)
+	if err != nil {
+		return err
+	}
+	p.shimIO = i
+	// Both tty and non-tty mode are handled by the runtime using
+	// the following pipes
+	for name, dest := range map[string]func(f *os.File){
+		p.state.Stdout: func(f *os.File) {
+			p.Add(1)
+			go func() {
+				io.Copy(f, i.Stdout)
+				p.Done()
+			}()
+		},
+		p.state.Stderr: func(f *os.File) {
+			p.Add(1)
+			go func() {
+				io.Copy(f, i.Stderr)
+				p.Done()
+			}()
+		},
+	} {
+		f, err := os.OpenFile(name, syscall.O_RDWR, 0)
+		if err != nil {
+			return err
+		}
+		dest(f)
+	}
+
+	f, err := os.OpenFile(p.state.Stdin, syscall.O_RDONLY, 0)
+	if err != nil {
+		return err
+	}
+	go func() {
+		io.Copy(i.Stdin, f)
+		i.Stdin.Close()
+	}()
+
+	return nil
+}
+
+func (p *process) killAll() error {
+	return nil
+}