pkg/mount: mountinfo from specified pid

Signed-off-by: Vincent Batts <vbatts@redhat.com>
moby · Nov 7, 2014 · 64e7a17 · 64e7a17
1 parent 0f9f5f3
commit 64e7a17
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/pkg/mount/mountinfo_linux.go b/pkg/mount/mountinfo_linux.go
@@ -1,3 +1,5 @@
+// +build linux
+
 package mount
 
 import (
@@ -72,3 +74,14 @@ func parseInfoFile(r io.Reader) ([]*MountInfo, error) {
 	}
 	return out, nil
 }
+
+// PidMountInfo collects the mounts for a specific Pid
+func PidMountInfo(pid int) ([]*MountInfo, error) {
+	f, err := os.Open(fmt.Sprintf("/proc/%d/mountinfo", pid))
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	return parseInfoFile(f)
+}