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A general purpose malloc implementation that emphasizes fragmentation avoidance and scalable concurrency support.

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/*
 * Copyright LWJGL. All rights reserved.
 * License terms: https://www.lwjgl.org/license
 * MACHINE GENERATED FILE, DO NOT EDIT
 */
package org.lwjgl.system.jemalloc;

import org.lwjgl.system.*;
import org.lwjgl.system.libffi.*;

import static org.lwjgl.system.APIUtil.*;
import static org.lwjgl.system.MemoryUtil.*;
import static org.lwjgl.system.libffi.LibFFI.*;

/**
 * Instances of this interface may be set to the {@link ExtentHooks} struct.
 * 
 * 

Type

* *

 * bool (*{@link #invoke}) (
 *     extent_hooks_t *extent_hooks,
 *     void *addr,
 *     size_t size,
 *     size_t offset,
 *     size_t length,
 *     unsigned int arena_ind
 * )
*/ @FunctionalInterface @NativeType("extent_decommit_t") public interface ExtentDecommitI extends CallbackI { FFICIF CIF = apiCreateCIF( FFI_DEFAULT_ABI, ffi_type_uint8, ffi_type_pointer, ffi_type_pointer, ffi_type_pointer, ffi_type_pointer, ffi_type_pointer, ffi_type_uint32 ); @Override default FFICIF getCallInterface() { return CIF; } @Override default void callback(long ret, long args) { boolean __result = invoke( memGetAddress(memGetAddress(args)), memGetAddress(memGetAddress(args + POINTER_SIZE)), memGetAddress(memGetAddress(args + 2 * POINTER_SIZE)), memGetAddress(memGetAddress(args + 3 * POINTER_SIZE)), memGetAddress(memGetAddress(args + 4 * POINTER_SIZE)), memGetInt(memGetAddress(args + 5 * POINTER_SIZE)) ); apiClosureRet(ret, __result); } /** * Extent decommit hook. * *

An extent decommit function conforms to the {@code extent_decommit_t} type and decommits any physical memory that is backing pages within an extent at * given {@code addr} and {@code size} at {@code offset} bytes, extending for {@code length} on behalf of arena {@code arena_ind}, returning false upon * success, in which case the pages will be committed via the extent commit function before being reused. If the function returns true, this indicates * opt-out from decommit; the memory remains committed and available for future use, in which case it will be automatically retained for later reuse.

*/ @NativeType("bool") boolean invoke(@NativeType("extent_hooks_t *") long extent_hooks, @NativeType("void *") long addr, @NativeType("size_t") long size, @NativeType("size_t") long offset, @NativeType("size_t") long length, @NativeType("unsigned int") int arena_ind); }




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