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A public domain cross platform lock free thread caching 16-byte aligned memory allocator implemented in C.
/*
* Copyright LWJGL. All rights reserved.
* License terms: https://www.lwjgl.org/license
* MACHINE GENERATED FILE, DO NOT EDIT
*/
package org.lwjgl.system.rpmalloc;
import org.jspecify.annotations.*;
import java.nio.*;
import org.lwjgl.*;
import org.lwjgl.system.*;
import static org.lwjgl.system.MemoryUtil.*;
import static org.lwjgl.system.MemoryStack.*;
/**
* Layout
*
*
* struct rpmalloc_global_statistics_t {
* size_t {@link #mapped};
* size_t {@link #mapped_peak};
* size_t {@link #cached};
* size_t {@link #huge_alloc};
* size_t {@link #huge_alloc_peak};
* size_t {@link #mapped_total};
* size_t {@link #unmapped_total};
* }
*/
@NativeType("struct rpmalloc_global_statistics_t")
public class RPmallocGlobalStatistics 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
MAPPED,
MAPPED_PEAK,
CACHED,
HUGE_ALLOC,
HUGE_ALLOC_PEAK,
MAPPED_TOTAL,
UNMAPPED_TOTAL;
static {
Layout layout = __struct(
__member(POINTER_SIZE),
__member(POINTER_SIZE),
__member(POINTER_SIZE),
__member(POINTER_SIZE),
__member(POINTER_SIZE),
__member(POINTER_SIZE),
__member(POINTER_SIZE)
);
SIZEOF = layout.getSize();
ALIGNOF = layout.getAlignment();
MAPPED = layout.offsetof(0);
MAPPED_PEAK = layout.offsetof(1);
CACHED = layout.offsetof(2);
HUGE_ALLOC = layout.offsetof(3);
HUGE_ALLOC_PEAK = layout.offsetof(4);
MAPPED_TOTAL = layout.offsetof(5);
UNMAPPED_TOTAL = layout.offsetof(6);
}
protected RPmallocGlobalStatistics(long address, @Nullable ByteBuffer container) {
super(address, container);
}
@Override
protected RPmallocGlobalStatistics create(long address, @Nullable ByteBuffer container) {
return new RPmallocGlobalStatistics(address, container);
}
/**
* Creates a {@code RPmallocGlobalStatistics} 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 RPmallocGlobalStatistics(ByteBuffer container) {
super(memAddress(container), __checkContainer(container, SIZEOF));
}
@Override
public int sizeof() { return SIZEOF; }
/** Current amount of virtual memory mapped, all of which might not have been committed (only if {@code ENABLE_STATISTICS=1}) */
@NativeType("size_t")
public long mapped() { return nmapped(address()); }
/** Peak amount of virtual memory mapped, all of which might not have been committed (only if {@code ENABLE_STATISTICS=1}) */
@NativeType("size_t")
public long mapped_peak() { return nmapped_peak(address()); }
/** Current amount of memory in global caches for small and medium sizes (<32KiB) */
@NativeType("size_t")
public long cached() { return ncached(address()); }
/**
* Current amount of memory allocated in huge allocations, i.e larger than {@code LARGE_SIZE_LIMIT} which is 2MiB by default (only if
* {@code ENABLE_STATISTICS=1})
*/
@NativeType("size_t")
public long huge_alloc() { return nhuge_alloc(address()); }
/**
* Peak amount of memory allocated in huge allocations, i.e larger than {@code LARGE_SIZE_LIMIT} which is 2MiB by default (only if
* {@code ENABLE_STATISTICS=1})
*/
@NativeType("size_t")
public long huge_alloc_peak() { return nhuge_alloc_peak(address()); }
/** Total amount of memory mapped since initialization (only if {@code ENABLE_STATISTICS=1}) */
@NativeType("size_t")
public long mapped_total() { return nmapped_total(address()); }
/** Total amount of memory unmapped since initialization (only if {@code ENABLE_STATISTICS=1}) */
@NativeType("size_t")
public long unmapped_total() { return nunmapped_total(address()); }
// -----------------------------------
/** Returns a new {@code RPmallocGlobalStatistics} instance allocated with {@link MemoryUtil#memAlloc memAlloc}. The instance must be explicitly freed. */
public static RPmallocGlobalStatistics malloc() {
return new RPmallocGlobalStatistics(nmemAllocChecked(SIZEOF), null);
}
/** Returns a new {@code RPmallocGlobalStatistics} instance allocated with {@link MemoryUtil#memCalloc memCalloc}. The instance must be explicitly freed. */
public static RPmallocGlobalStatistics calloc() {
return new RPmallocGlobalStatistics(nmemCallocChecked(1, SIZEOF), null);
}
/** Returns a new {@code RPmallocGlobalStatistics} instance allocated with {@link BufferUtils}. */
public static RPmallocGlobalStatistics create() {
ByteBuffer container = BufferUtils.createByteBuffer(SIZEOF);
return new RPmallocGlobalStatistics(memAddress(container), container);
}
/** Returns a new {@code RPmallocGlobalStatistics} instance for the specified memory address. */
public static RPmallocGlobalStatistics create(long address) {
return new RPmallocGlobalStatistics(address, null);
}
/** Like {@link #create(long) create}, but returns {@code null} if {@code address} is {@code NULL}. */
public static @Nullable RPmallocGlobalStatistics createSafe(long address) {
return address == NULL ? null : new RPmallocGlobalStatistics(address, null);
}
/**
* Returns a new {@link RPmallocGlobalStatistics.Buffer} instance allocated with {@link MemoryUtil#memAlloc memAlloc}. The instance must be explicitly freed.
*
* @param capacity the buffer capacity
*/
public static RPmallocGlobalStatistics.Buffer malloc(int capacity) {
return new Buffer(nmemAllocChecked(__checkMalloc(capacity, SIZEOF)), capacity);
}
/**
* Returns a new {@link RPmallocGlobalStatistics.Buffer} instance allocated with {@link MemoryUtil#memCalloc memCalloc}. The instance must be explicitly freed.
*
* @param capacity the buffer capacity
*/
public static RPmallocGlobalStatistics.Buffer calloc(int capacity) {
return new Buffer(nmemCallocChecked(capacity, SIZEOF), capacity);
}
/**
* Returns a new {@link RPmallocGlobalStatistics.Buffer} instance allocated with {@link BufferUtils}.
*
* @param capacity the buffer capacity
*/
public static RPmallocGlobalStatistics.Buffer create(int capacity) {
ByteBuffer container = __create(capacity, SIZEOF);
return new Buffer(memAddress(container), container, -1, 0, capacity, capacity);
}
/**
* Create a {@link RPmallocGlobalStatistics.Buffer} instance at the specified memory.
*
* @param address the memory address
* @param capacity the buffer capacity
*/
public static RPmallocGlobalStatistics.Buffer create(long address, int capacity) {
return new Buffer(address, capacity);
}
/** Like {@link #create(long, int) create}, but returns {@code null} if {@code address} is {@code NULL}. */
public static RPmallocGlobalStatistics.@Nullable Buffer createSafe(long address, int capacity) {
return address == NULL ? null : new Buffer(address, capacity);
}
// -----------------------------------
/** Deprecated for removal in 3.4.0. Use {@link #malloc(MemoryStack)} instead. */
@Deprecated public static RPmallocGlobalStatistics mallocStack() { return malloc(stackGet()); }
/** Deprecated for removal in 3.4.0. Use {@link #calloc(MemoryStack)} instead. */
@Deprecated public static RPmallocGlobalStatistics callocStack() { return calloc(stackGet()); }
/** Deprecated for removal in 3.4.0. Use {@link #malloc(MemoryStack)} instead. */
@Deprecated public static RPmallocGlobalStatistics mallocStack(MemoryStack stack) { return malloc(stack); }
/** Deprecated for removal in 3.4.0. Use {@link #calloc(MemoryStack)} instead. */
@Deprecated public static RPmallocGlobalStatistics callocStack(MemoryStack stack) { return calloc(stack); }
/** Deprecated for removal in 3.4.0. Use {@link #malloc(int, MemoryStack)} instead. */
@Deprecated public static RPmallocGlobalStatistics.Buffer mallocStack(int capacity) { return malloc(capacity, stackGet()); }
/** Deprecated for removal in 3.4.0. Use {@link #calloc(int, MemoryStack)} instead. */
@Deprecated public static RPmallocGlobalStatistics.Buffer callocStack(int capacity) { return calloc(capacity, stackGet()); }
/** Deprecated for removal in 3.4.0. Use {@link #malloc(int, MemoryStack)} instead. */
@Deprecated public static RPmallocGlobalStatistics.Buffer mallocStack(int capacity, MemoryStack stack) { return malloc(capacity, stack); }
/** Deprecated for removal in 3.4.0. Use {@link #calloc(int, MemoryStack)} instead. */
@Deprecated public static RPmallocGlobalStatistics.Buffer callocStack(int capacity, MemoryStack stack) { return calloc(capacity, stack); }
/**
* Returns a new {@code RPmallocGlobalStatistics} instance allocated on the specified {@link MemoryStack}.
*
* @param stack the stack from which to allocate
*/
public static RPmallocGlobalStatistics malloc(MemoryStack stack) {
return new RPmallocGlobalStatistics(stack.nmalloc(ALIGNOF, SIZEOF), null);
}
/**
* Returns a new {@code RPmallocGlobalStatistics} instance allocated on the specified {@link MemoryStack} and initializes all its bits to zero.
*
* @param stack the stack from which to allocate
*/
public static RPmallocGlobalStatistics calloc(MemoryStack stack) {
return new RPmallocGlobalStatistics(stack.ncalloc(ALIGNOF, 1, SIZEOF), null);
}
/**
* Returns a new {@link RPmallocGlobalStatistics.Buffer} instance allocated on the specified {@link MemoryStack}.
*
* @param stack the stack from which to allocate
* @param capacity the buffer capacity
*/
public static RPmallocGlobalStatistics.Buffer malloc(int capacity, MemoryStack stack) {
return new Buffer(stack.nmalloc(ALIGNOF, capacity * SIZEOF), capacity);
}
/**
* Returns a new {@link RPmallocGlobalStatistics.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 RPmallocGlobalStatistics.Buffer calloc(int capacity, MemoryStack stack) {
return new Buffer(stack.ncalloc(ALIGNOF, capacity, SIZEOF), capacity);
}
// -----------------------------------
/** Unsafe version of {@link #mapped}. */
public static long nmapped(long struct) { return memGetAddress(struct + RPmallocGlobalStatistics.MAPPED); }
/** Unsafe version of {@link #mapped_peak}. */
public static long nmapped_peak(long struct) { return memGetAddress(struct + RPmallocGlobalStatistics.MAPPED_PEAK); }
/** Unsafe version of {@link #cached}. */
public static long ncached(long struct) { return memGetAddress(struct + RPmallocGlobalStatistics.CACHED); }
/** Unsafe version of {@link #huge_alloc}. */
public static long nhuge_alloc(long struct) { return memGetAddress(struct + RPmallocGlobalStatistics.HUGE_ALLOC); }
/** Unsafe version of {@link #huge_alloc_peak}. */
public static long nhuge_alloc_peak(long struct) { return memGetAddress(struct + RPmallocGlobalStatistics.HUGE_ALLOC_PEAK); }
/** Unsafe version of {@link #mapped_total}. */
public static long nmapped_total(long struct) { return memGetAddress(struct + RPmallocGlobalStatistics.MAPPED_TOTAL); }
/** Unsafe version of {@link #unmapped_total}. */
public static long nunmapped_total(long struct) { return memGetAddress(struct + RPmallocGlobalStatistics.UNMAPPED_TOTAL); }
// -----------------------------------
/** An array of {@link RPmallocGlobalStatistics} structs. */
public static class Buffer extends StructBuffer implements NativeResource {
private static final RPmallocGlobalStatistics ELEMENT_FACTORY = RPmallocGlobalStatistics.create(-1L);
/**
* Creates a new {@code RPmallocGlobalStatistics.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 RPmallocGlobalStatistics#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 Buffer create(long address, @Nullable ByteBuffer container, int mark, int position, int limit, int capacity) {
return new Buffer(address, container, mark, position, limit, capacity);
}
@Override
protected RPmallocGlobalStatistics getElementFactory() {
return ELEMENT_FACTORY;
}
/** @return the value of the {@link RPmallocGlobalStatistics#mapped} field. */
@NativeType("size_t")
public long mapped() { return RPmallocGlobalStatistics.nmapped(address()); }
/** @return the value of the {@link RPmallocGlobalStatistics#mapped_peak} field. */
@NativeType("size_t")
public long mapped_peak() { return RPmallocGlobalStatistics.nmapped_peak(address()); }
/** @return the value of the {@link RPmallocGlobalStatistics#cached} field. */
@NativeType("size_t")
public long cached() { return RPmallocGlobalStatistics.ncached(address()); }
/** @return the value of the {@link RPmallocGlobalStatistics#huge_alloc} field. */
@NativeType("size_t")
public long huge_alloc() { return RPmallocGlobalStatistics.nhuge_alloc(address()); }
/** @return the value of the {@link RPmallocGlobalStatistics#huge_alloc_peak} field. */
@NativeType("size_t")
public long huge_alloc_peak() { return RPmallocGlobalStatistics.nhuge_alloc_peak(address()); }
/** @return the value of the {@link RPmallocGlobalStatistics#mapped_total} field. */
@NativeType("size_t")
public long mapped_total() { return RPmallocGlobalStatistics.nmapped_total(address()); }
/** @return the value of the {@link RPmallocGlobalStatistics#unmapped_total} field. */
@NativeType("size_t")
public long unmapped_total() { return RPmallocGlobalStatistics.nunmapped_total(address()); }
}
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