diff --git a/minijail.cc b/minijail.cc
new file mode 100644
index 0000000..3cb7a4d
--- /dev/null
+++ b/minijail.cc
@@ -0,0 +1,53 @@
+// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "shill/minijail.h"
+
+using std::vector;
+
+namespace shill {
+
+static base::LazyInstance<Minijail> g_minijail = LAZY_INSTANCE_INITIALIZER;
+
+Minijail::Minijail() {}
+
+Minijail::~Minijail() {}
+
+// static
+Minijail *Minijail::GetInstance() {
+  return g_minijail.Pointer();
+}
+
+struct minijail *Minijail::New() {
+  return minijail_new();
+}
+
+void Minijail::Destroy(struct minijail *jail) {
+  minijail_destroy(jail);
+}
+
+bool Minijail::DropRoot(struct minijail *jail, const char *user) {
+  // |user| is copied so the only reason either of these calls can fail
+  // is ENOMEM.
+  return !minijail_change_user(jail, user) &&
+         !minijail_change_group(jail, user);
+}
+
+void Minijail::UseCapabilities(struct minijail *jail, uint64_t capmask) {
+  minijail_use_caps(jail, capmask);
+}
+
+bool Minijail::Run(struct minijail *jail,
+                   vector<char *> args, pid_t *pid) {
+  return minijail_run_pid(jail, args[0], args.data(), pid) == 0;
+}
+
+bool Minijail::RunAndDestroy(struct minijail *jail,
+                             vector<char *> args, pid_t *pid) {
+  bool res = Run(jail, args, pid);
+  Destroy(jail);
+  return res;
+}
+
+}  // namespace shill