Merge pull request #3084 from giuseppe/rootless-pause-process

rootless: use a pause process to keep namespaces alive

2 files changed, 16 insertions, 0 deletions

diff --git a/pkg/util/utils_supported.go b/pkg/util/utils_supported.go
index 8b98658c2..3d9140a23 100644
--- a/pkg/util/utils_supported.go
+++ b/pkg/util/utils_supported.go
@@ -82,3 +82,13 @@ func GetRootlessRuntimeDir() (string, error) {
 	}
 	return rootlessRuntimeDir, nil
 }
+
+// GetRootlessPauseProcessPidPath returns the path to the file that holds the pid for
+// the pause process
+func GetRootlessPauseProcessPidPath() (string, error) {
+	runtimeDir, err := GetRootlessRuntimeDir()
+	if err != nil {
+		return "", err
+	}
+	return filepath.Join(runtimeDir, "libpod", "pause.pid"), nil
+}
diff --git a/pkg/util/utils_windows.go b/pkg/util/utils_windows.go
index b33733da9..3faa6f10c 100644
--- a/pkg/util/utils_windows.go
+++ b/pkg/util/utils_windows.go
@@ -15,3 +15,9 @@ func GetRootlessRuntimeDir() (string, error) {
 func IsCgroup2UnifiedMode() (bool, error) {
 	return false, errors.New("this function is not implemented for windows")
 }
+
+// GetRootlessPauseProcessPidPath returns the path to the file that holds the pid for
+// the pause process
+func GetRootlessPauseProcessPidPath() (string, error) {
+	return "", errors.New("this function is not implemented for windows")
+}