From 9767e2a416425a1ed390a2cac361f5a5ee112d56 Mon Sep 17 00:00:00 2001
From: Marco Ballesio <balejs@google.com>
Date: Wed, 24 Feb 2021 16:28:48 -0800
Subject: [PATCH] CachedAppOptimizer: use new cgroup api for freezer path

Use the new cgroup API in place of the hardcoded path.
The new libprocessgroup API is defined in https://r.android.com/1607196

Bug: 180056337
Test: verified the freezer work via logs
Change-Id: I73c0976f3a917890bcd888c232975e2258f87b5c
---
 .../core/jni/com_android_server_am_CachedAppOptimizer.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/services/core/jni/com_android_server_am_CachedAppOptimizer.cpp b/services/core/jni/com_android_server_am_CachedAppOptimizer.cpp
index f054e7c730152..adf8be29855c0 100644
--- a/services/core/jni/com_android_server_am_CachedAppOptimizer.cpp
+++ b/services/core/jni/com_android_server_am_CachedAppOptimizer.cpp
@@ -280,7 +280,13 @@ static jint com_android_server_am_CachedAppOptimizer_getBinderFreezeInfo(JNIEnv
 
 static jstring com_android_server_am_CachedAppOptimizer_getFreezerCheckPath(JNIEnv* env,
                                                                             jobject clazz) {
-    return env->NewStringUTF(CGROUP_FREEZE_PATH);
+    std::string path;
+
+    if (!getAttributePathForTask("FreezerState", getpid(), &path)) {
+        path = "";
+    }
+
+    return env->NewStringUTF(path.c_str());
 }
 
 static const JNINativeMethod sMethods[] = {