org.lwjgl.system.linux.liburing.IOURingBuf Maven / Gradle / Ivy
/*
* Copyright LWJGL. All rights reserved.
* License terms: https://www.lwjgl.org/license
* MACHINE GENERATED FILE, DO NOT EDIT
*/
package org.lwjgl.system.linux.liburing;
import javax.annotation.*;
import java.nio.*;
import org.lwjgl.*;
import org.lwjgl.system.*;
import static org.lwjgl.system.MemoryUtil.*;
import static org.lwjgl.system.MemoryStack.*;
/**
* Layout
*
*
* struct io_uring_buf {
* __u64 addr;
* __u32 len;
* __u16 bid;
* __u16 resv;
* }
*/
@NativeType("struct io_uring_buf")
public class IOURingBuf extends Struct implements NativeResource {
/** The struct size in bytes. */
public static final int SIZEOF;
/** The struct alignment in bytes. */
public static final int ALIGNOF;
/** The struct member offsets. */
public static final int
ADDR,
LEN,
BID,
RESV;
static {
Layout layout = __struct(
__member(8),
__member(4),
__member(2),
__member(2)
);
SIZEOF = layout.getSize();
ALIGNOF = layout.getAlignment();
ADDR = layout.offsetof(0);
LEN = layout.offsetof(1);
BID = layout.offsetof(2);
RESV = layout.offsetof(3);
}
/**
* Creates a {@code IOURingBuf} instance at the current position of the specified {@link ByteBuffer} container. Changes to the buffer's content will be
* visible to the struct instance and vice versa.
*
* The created instance holds a strong reference to the container object.
*/
public IOURingBuf(ByteBuffer container) {
super(memAddress(container), __checkContainer(container, SIZEOF));
}
@Override
public int sizeof() { return SIZEOF; }
/** @return the value of the {@code addr} field. */
@NativeType("__u64")
public long addr() { return naddr(address()); }
/** @return the value of the {@code len} field. */
@NativeType("__u32")
public int len() { return nlen(address()); }
/** @return the value of the {@code bid} field. */
@NativeType("__u16")
public short bid() { return nbid(address()); }
/** @return the value of the {@code resv} field. */
@NativeType("__u16")
public short resv() { return nresv(address()); }
/** Sets the specified value to the {@code addr} field. */
public IOURingBuf addr(@NativeType("__u64") long value) { naddr(address(), value); return this; }
/** Sets the specified value to the {@code len} field. */
public IOURingBuf len(@NativeType("__u32") int value) { nlen(address(), value); return this; }
/** Sets the specified value to the {@code bid} field. */
public IOURingBuf bid(@NativeType("__u16") short value) { nbid(address(), value); return this; }
/** Sets the specified value to the {@code resv} field. */
public IOURingBuf resv(@NativeType("__u16") short value) { nresv(address(), value); return this; }
/** Initializes this struct with the specified values. */
public IOURingBuf set(
long addr,
int len,
short bid,
short resv
) {
addr(addr);
len(len);
bid(bid);
resv(resv);
return this;
}
/**
* Copies the specified struct data to this struct.
*
* @param src the source struct
*
* @return this struct
*/
public IOURingBuf set(IOURingBuf src) {
memCopy(src.address(), address(), SIZEOF);
return this;
}
// -----------------------------------
/** Returns a new {@code IOURingBuf} instance allocated with {@link MemoryUtil#memAlloc memAlloc}. The instance must be explicitly freed. */
public static IOURingBuf malloc() {
return wrap(IOURingBuf.class, nmemAllocChecked(SIZEOF));
}
/** Returns a new {@code IOURingBuf} instance allocated with {@link MemoryUtil#memCalloc memCalloc}. The instance must be explicitly freed. */
public static IOURingBuf calloc() {
return wrap(IOURingBuf.class, nmemCallocChecked(1, SIZEOF));
}
/** Returns a new {@code IOURingBuf} instance allocated with {@link BufferUtils}. */
public static IOURingBuf create() {
ByteBuffer container = BufferUtils.createByteBuffer(SIZEOF);
return wrap(IOURingBuf.class, memAddress(container), container);
}
/** Returns a new {@code IOURingBuf} instance for the specified memory address. */
public static IOURingBuf create(long address) {
return wrap(IOURingBuf.class, address);
}
/** Like {@link #create(long) create}, but returns {@code null} if {@code address} is {@code NULL}. */
@Nullable
public static IOURingBuf createSafe(long address) {
return address == NULL ? null : wrap(IOURingBuf.class, address);
}
/**
* Returns a new {@link IOURingBuf.Buffer} instance allocated with {@link MemoryUtil#memAlloc memAlloc}. The instance must be explicitly freed.
*
* @param capacity the buffer capacity
*/
public static IOURingBuf.Buffer malloc(int capacity) {
return wrap(Buffer.class, nmemAllocChecked(__checkMalloc(capacity, SIZEOF)), capacity);
}
/**
* Returns a new {@link IOURingBuf.Buffer} instance allocated with {@link MemoryUtil#memCalloc memCalloc}. The instance must be explicitly freed.
*
* @param capacity the buffer capacity
*/
public static IOURingBuf.Buffer calloc(int capacity) {
return wrap(Buffer.class, nmemCallocChecked(capacity, SIZEOF), capacity);
}
/**
* Returns a new {@link IOURingBuf.Buffer} instance allocated with {@link BufferUtils}.
*
* @param capacity the buffer capacity
*/
public static IOURingBuf.Buffer create(int capacity) {
ByteBuffer container = __create(capacity, SIZEOF);
return wrap(Buffer.class, memAddress(container), capacity, container);
}
/**
* Create a {@link IOURingBuf.Buffer} instance at the specified memory.
*
* @param address the memory address
* @param capacity the buffer capacity
*/
public static IOURingBuf.Buffer create(long address, int capacity) {
return wrap(Buffer.class, address, capacity);
}
/** Like {@link #create(long, int) create}, but returns {@code null} if {@code address} is {@code NULL}. */
@Nullable
public static IOURingBuf.Buffer createSafe(long address, int capacity) {
return address == NULL ? null : wrap(Buffer.class, address, capacity);
}
/**
* Returns a new {@code IOURingBuf} instance allocated on the specified {@link MemoryStack}.
*
* @param stack the stack from which to allocate
*/
public static IOURingBuf malloc(MemoryStack stack) {
return wrap(IOURingBuf.class, stack.nmalloc(ALIGNOF, SIZEOF));
}
/**
* Returns a new {@code IOURingBuf} instance allocated on the specified {@link MemoryStack} and initializes all its bits to zero.
*
* @param stack the stack from which to allocate
*/
public static IOURingBuf calloc(MemoryStack stack) {
return wrap(IOURingBuf.class, stack.ncalloc(ALIGNOF, 1, SIZEOF));
}
/**
* Returns a new {@link IOURingBuf.Buffer} instance allocated on the specified {@link MemoryStack}.
*
* @param stack the stack from which to allocate
* @param capacity the buffer capacity
*/
public static IOURingBuf.Buffer malloc(int capacity, MemoryStack stack) {
return wrap(Buffer.class, stack.nmalloc(ALIGNOF, capacity * SIZEOF), capacity);
}
/**
* Returns a new {@link IOURingBuf.Buffer} instance allocated on the specified {@link MemoryStack} and initializes all its bits to zero.
*
* @param stack the stack from which to allocate
* @param capacity the buffer capacity
*/
public static IOURingBuf.Buffer calloc(int capacity, MemoryStack stack) {
return wrap(Buffer.class, stack.ncalloc(ALIGNOF, capacity, SIZEOF), capacity);
}
// -----------------------------------
/** Unsafe version of {@link #addr}. */
public static long naddr(long struct) { return UNSAFE.getLong(null, struct + IOURingBuf.ADDR); }
/** Unsafe version of {@link #len}. */
public static int nlen(long struct) { return UNSAFE.getInt(null, struct + IOURingBuf.LEN); }
/** Unsafe version of {@link #bid}. */
public static short nbid(long struct) { return UNSAFE.getShort(null, struct + IOURingBuf.BID); }
/** Unsafe version of {@link #resv}. */
public static short nresv(long struct) { return UNSAFE.getShort(null, struct + IOURingBuf.RESV); }
/** Unsafe version of {@link #addr(long) addr}. */
public static void naddr(long struct, long value) { UNSAFE.putLong(null, struct + IOURingBuf.ADDR, value); }
/** Unsafe version of {@link #len(int) len}. */
public static void nlen(long struct, int value) { UNSAFE.putInt(null, struct + IOURingBuf.LEN, value); }
/** Unsafe version of {@link #bid(short) bid}. */
public static void nbid(long struct, short value) { UNSAFE.putShort(null, struct + IOURingBuf.BID, value); }
/** Unsafe version of {@link #resv(short) resv}. */
public static void nresv(long struct, short value) { UNSAFE.putShort(null, struct + IOURingBuf.RESV, value); }
// -----------------------------------
/** An array of {@link IOURingBuf} structs. */
public static class Buffer extends StructBuffer implements NativeResource {
private static final IOURingBuf ELEMENT_FACTORY = IOURingBuf.create(-1L);
/**
* Creates a new {@code IOURingBuf.Buffer} instance backed by the specified container.
*
* Changes to the container's content will be visible to the struct buffer instance and vice versa. The two buffers' position, limit, and mark values
* will be independent. The new buffer's position will be zero, its capacity and its limit will be the number of bytes remaining in this buffer divided
* by {@link IOURingBuf#SIZEOF}, and its mark will be undefined.
*
* The created buffer instance holds a strong reference to the container object.
*/
public Buffer(ByteBuffer container) {
super(container, container.remaining() / SIZEOF);
}
public Buffer(long address, int cap) {
super(address, null, -1, 0, cap, cap);
}
Buffer(long address, @Nullable ByteBuffer container, int mark, int pos, int lim, int cap) {
super(address, container, mark, pos, lim, cap);
}
@Override
protected Buffer self() {
return this;
}
@Override
protected IOURingBuf getElementFactory() {
return ELEMENT_FACTORY;
}
/** @return the value of the {@code addr} field. */
@NativeType("__u64")
public long addr() { return IOURingBuf.naddr(address()); }
/** @return the value of the {@code len} field. */
@NativeType("__u32")
public int len() { return IOURingBuf.nlen(address()); }
/** @return the value of the {@code bid} field. */
@NativeType("__u16")
public short bid() { return IOURingBuf.nbid(address()); }
/** @return the value of the {@code resv} field. */
@NativeType("__u16")
public short resv() { return IOURingBuf.nresv(address()); }
/** Sets the specified value to the {@code addr} field. */
public IOURingBuf.Buffer addr(@NativeType("__u64") long value) { IOURingBuf.naddr(address(), value); return this; }
/** Sets the specified value to the {@code len} field. */
public IOURingBuf.Buffer len(@NativeType("__u32") int value) { IOURingBuf.nlen(address(), value); return this; }
/** Sets the specified value to the {@code bid} field. */
public IOURingBuf.Buffer bid(@NativeType("__u16") short value) { IOURingBuf.nbid(address(), value); return this; }
/** Sets the specified value to the {@code resv} field. */
public IOURingBuf.Buffer resv(@NativeType("__u16") short value) { IOURingBuf.nresv(address(), value); return this; }
}
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