/*
 * Copyright DataStax, Inc.
 *
 * 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.datastax.oss.driver.internal.core.os;

import java.util.Collections;
import java.util.List;
import org.graalvm.nativeimage.c.CContext;
import org.graalvm.nativeimage.c.function.CFunction;

@CContext(GraalGetpid.Directives.class)
public class GraalGetpid {

  static class Directives implements CContext.Directives {

    @Override
    public List<String> getHeaderFiles() {

      return Collections.unmodifiableList(Collections.singletonList("<unistd.h>"));
    }
  }

  @CFunction
  public static native int getpid();
}

/*
 * Copyright DataStax, Inc.
 *
 * 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.datastax.oss.driver.internal.core.os;

import java.util.Collections;
import java.util.List;
import org.graalvm.nativeimage.c.CContext;
import org.graalvm.nativeimage.c.function.CFunction;

@CContext(GraalGetpid.Directives.class)
public class GraalGetpid {

  static class Directives implements CContext.Directives {

    @Override
    public List<String> getHeaderFiles() {

      return Collections.singletonList("<unistd.h>");
    }
  }

  @CFunction
  public static native int getpid();
}

Remove redundant call to Collections.unmodifiableList in GraalGetpid