src/main/java/com/google/devtools/build/lib/starlarkprofiler/CpuProfilerServiceImpl.java

// Copyright 2026 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.devtools.build.lib.starlarkprofiler;

import com.google.devtools.build.lib.skybridge.ScOnly;
import com.google.devtools.build.lib.util.OS;
import javax.annotation.Nullable;
import net.starlark.java.eval.CpuProfilerNativeSupport;
import net.starlark.java.eval.CpuProfilerNativeSupportImpl;

/** Implementation of {@link CpuProfilerService}. */
@ScOnly
public final class CpuProfilerServiceImpl implements CpuProfilerService {
  @Override
  @Nullable
  public CpuProfilerNativeSupport getCpuProfilerNativeSupport() {
    if (OS.getCurrent() == OS.LINUX || OS.getCurrent() == OS.DARWIN) {
      return new CpuProfilerNativeSupportImpl();
    }
    return null;
  }
}