From f3598686cb6c411894df45b258aca3c21d36fff5 Mon Sep 17 00:00:00 2001
From: Ilya Prudnikov <i.v.prudnikov@gmail.com>
Date: Fri, 14 Feb 2020 16:44:43 +0200
Subject: [PATCH] Correct returned error (set to nil) in case process is not
 exist

---
 process/process_posix.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/process/process_posix.go b/process/process_posix.go
index 9d0ec83b..109239a5 100644
--- a/process/process_posix.go
+++ b/process/process_posix.go
@@ -83,7 +83,11 @@ func PidExistsWithContext(ctx context.Context, pid int32) (bool, error) {
 	if _, err := os.Stat(common.HostProc()); err == nil { //Means that proc filesystem exist
 		// Checking PID existence based on existence of /<HOST_PROC>/proc/<PID> folder
 		// This covers the case when running inside container with a different process namespace (by default)
+
 		_, err := os.Stat(common.HostProc(strconv.Itoa(int(pid))))
+		if os.IsNotExist(err) {
+			return false, nil
+		}
 		return err == nil, err
 	}