From 231c96098e64565f5b9af9d53e64874b27039d1d Mon Sep 17 00:00:00 2001
From: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>
Date: Mon, 13 Nov 2017 08:42:25 -0800
Subject: [PATCH] containerd-shim: Delete exec pidfile on exit

Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>
---
 linux/shim/exec.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/linux/shim/exec.go b/linux/shim/exec.go
index 3d27c911b..0e4475e64 100644
--- a/linux/shim/exec.go
+++ b/linux/shim/exec.go
@@ -7,6 +7,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
+	"os"
 	"path/filepath"
 	"sync"
 	"syscall"
@@ -114,6 +115,9 @@ func (e *execProcess) delete(ctx context.Context) error {
 		}
 		e.io.Close()
 	}
+	pidfile := filepath.Join(e.path, fmt.Sprintf("%s.pid", e.id))
+	// silently ignore error
+	os.Remove(pidfile)
 	return nil
 }