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Raw Panama bindings for libbpf generated for jextract on 64-bit Linux
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// Generated by jextract

package me.bechberger.ebpf.bpf.raw;

import java.lang.invoke.*;
import java.lang.foreign.*;
import java.nio.ByteOrder;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

import static java.lang.foreign.ValueLayout.*;
import static java.lang.foreign.MemoryLayout.PathElement.*;

/**
 * {@snippet lang=c :
 * struct perf_buffer_raw_opts {
 *     size_t sz;
 *     long : 0;
 *     long : 0;
 *     int cpu_cnt;
 *     int *cpus;
 *     int *map_keys;
 * }
 * }
 */
public class perf_buffer_raw_opts {

    perf_buffer_raw_opts() {
        // Should not be called directly
    }

    private static final GroupLayout $LAYOUT = MemoryLayout.structLayout(
        Lib.C_LONG.withName("sz"),
        Lib.C_INT.withName("cpu_cnt"),
        MemoryLayout.paddingLayout(4),
        Lib.C_POINTER.withName("cpus"),
        Lib.C_POINTER.withName("map_keys")
    ).withName("perf_buffer_raw_opts");

    /**
     * The layout of this struct
     */
    public static final GroupLayout layout() {
        return $LAYOUT;
    }

    private static final OfLong sz$LAYOUT = (OfLong)$LAYOUT.select(groupElement("sz"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * size_t sz
     * }
     */
    public static final OfLong sz$layout() {
        return sz$LAYOUT;
    }

    private static final long sz$OFFSET = 0;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * size_t sz
     * }
     */
    public static final long sz$offset() {
        return sz$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * size_t sz
     * }
     */
    public static long sz(MemorySegment struct) {
        return struct.get(sz$LAYOUT, sz$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * size_t sz
     * }
     */
    public static void sz(MemorySegment struct, long fieldValue) {
        struct.set(sz$LAYOUT, sz$OFFSET, fieldValue);
    }

    private static final OfInt cpu_cnt$LAYOUT = (OfInt)$LAYOUT.select(groupElement("cpu_cnt"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * int cpu_cnt
     * }
     */
    public static final OfInt cpu_cnt$layout() {
        return cpu_cnt$LAYOUT;
    }

    private static final long cpu_cnt$OFFSET = 8;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * int cpu_cnt
     * }
     */
    public static final long cpu_cnt$offset() {
        return cpu_cnt$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * int cpu_cnt
     * }
     */
    public static int cpu_cnt(MemorySegment struct) {
        return struct.get(cpu_cnt$LAYOUT, cpu_cnt$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * int cpu_cnt
     * }
     */
    public static void cpu_cnt(MemorySegment struct, int fieldValue) {
        struct.set(cpu_cnt$LAYOUT, cpu_cnt$OFFSET, fieldValue);
    }

    private static final AddressLayout cpus$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("cpus"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * int *cpus
     * }
     */
    public static final AddressLayout cpus$layout() {
        return cpus$LAYOUT;
    }

    private static final long cpus$OFFSET = 16;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * int *cpus
     * }
     */
    public static final long cpus$offset() {
        return cpus$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * int *cpus
     * }
     */
    public static MemorySegment cpus(MemorySegment struct) {
        return struct.get(cpus$LAYOUT, cpus$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * int *cpus
     * }
     */
    public static void cpus(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(cpus$LAYOUT, cpus$OFFSET, fieldValue);
    }

    private static final AddressLayout map_keys$LAYOUT = (AddressLayout)$LAYOUT.select(groupElement("map_keys"));

    /**
     * Layout for field:
     * {@snippet lang=c :
     * int *map_keys
     * }
     */
    public static final AddressLayout map_keys$layout() {
        return map_keys$LAYOUT;
    }

    private static final long map_keys$OFFSET = 24;

    /**
     * Offset for field:
     * {@snippet lang=c :
     * int *map_keys
     * }
     */
    public static final long map_keys$offset() {
        return map_keys$OFFSET;
    }

    /**
     * Getter for field:
     * {@snippet lang=c :
     * int *map_keys
     * }
     */
    public static MemorySegment map_keys(MemorySegment struct) {
        return struct.get(map_keys$LAYOUT, map_keys$OFFSET);
    }

    /**
     * Setter for field:
     * {@snippet lang=c :
     * int *map_keys
     * }
     */
    public static void map_keys(MemorySegment struct, MemorySegment fieldValue) {
        struct.set(map_keys$LAYOUT, map_keys$OFFSET, fieldValue);
    }

    /**
     * Obtains a slice of {@code arrayParam} which selects the array element at {@code index}.
     * The returned segment has address {@code arrayParam.address() + index * layout().byteSize()}
     */
    public static MemorySegment asSlice(MemorySegment array, long index) {
        return array.asSlice(layout().byteSize() * index);
    }

    /**
     * The size (in bytes) of this struct
     */
    public static long sizeof() { return layout().byteSize(); }

    /**
     * Allocate a segment of size {@code layout().byteSize()} using {@code allocator}
     */
    public static MemorySegment allocate(SegmentAllocator allocator) {
        return allocator.allocate(layout());
    }

    /**
     * Allocate an array of size {@code elementCount} using {@code allocator}.
     * The returned segment has size {@code elementCount * layout().byteSize()}.
     */
    public static MemorySegment allocateArray(long elementCount, SegmentAllocator allocator) {
        return allocator.allocate(MemoryLayout.sequenceLayout(elementCount, layout()));
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction} (if any).
     * The returned segment has size {@code layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, Arena arena, Consumer cleanup) {
        return reinterpret(addr, 1, arena, cleanup);
    }

    /**
     * Reinterprets {@code addr} using target {@code arena} and {@code cleanupAction} (if any).
     * The returned segment has size {@code elementCount * layout().byteSize()}
     */
    public static MemorySegment reinterpret(MemorySegment addr, long elementCount, Arena arena, Consumer cleanup) {
        return addr.reinterpret(layout().byteSize() * elementCount, arena, cleanup);
    }
}