java_runtime.cc 870 B

12345678910111213141516171819202122232425
  1. // Copyright 2015 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #include "base/android/java_runtime.h"
  5. #include "base/android_runtime_jni_headers/Runtime_jni.h"
  6. #include "base/numerics/safe_conversions.h"
  7. namespace base {
  8. namespace android {
  9. void JavaRuntime::GetMemoryUsage(uint64_t* total_memory,
  10. uint64_t* free_memory) {
  11. JNIEnv* env = base::android::AttachCurrentThread();
  12. base::android::ScopedJavaLocalRef<jobject> runtime =
  13. JNI_Runtime::Java_Runtime_getRuntime(env);
  14. *total_memory = checked_cast<uint64_t>(
  15. JNI_Runtime::Java_Runtime_totalMemory(env, runtime));
  16. *free_memory = checked_cast<uint64_t>(
  17. JNI_Runtime::Java_Runtime_freeMemory(env, runtime));
  18. }
  19. } // namespace android
  20. } // namespace base