haiku/headers/private/kernel/heap.h
Ingo Weinhold f51bcfb25b Added a heap_init_post_area() which is called right after areas can be
created, and moved the heap's grow and VIP heap initialization to it. Should
fix #5956.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@36855 a95241bf-73f2-0310-859d-f6bbb57e9c96
2010-05-18 15:51:27 +00:00

141 lines
3.0 KiB
C++

/*
* Copyright 2002-2006, Axel Dörfler, axeld@pinc-software.de.
* Distributed under the terms of the MIT License.
*
* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
* Distributed under the terms of the NewOS License.
*/
#ifndef _KERNEL_HEAP_H
#define _KERNEL_HEAP_H
#include <OS.h>
#include "kernel_debug_config.h"
// allocate 16MB initial heap for the kernel
#define INITIAL_HEAP_SIZE 16 * 1024 * 1024
// grow by another 4MB each time the heap runs out of memory
#define HEAP_GROW_SIZE 4 * 1024 * 1024
// allocate a dedicated 1MB area for dynamic growing
#define HEAP_DEDICATED_GROW_SIZE 1 * 1024 * 1024
// use areas for allocations bigger than 1MB
#define HEAP_AREA_USE_THRESHOLD 1 * 1024 * 1024
// allocation/deallocation flags for {malloc,free}_etc()
#define HEAP_DONT_WAIT_FOR_MEMORY 0x01
#define HEAP_DONT_LOCK_KERNEL_SPACE 0x02
#define HEAP_PRIORITY_VIP 0x04
typedef struct heap_class_s {
const char *name;
uint32 initial_percentage;
size_t max_allocation_size;
size_t page_size;
size_t min_bin_size;
size_t bin_alignment;
uint32 min_count_per_page;
size_t max_waste_per_page;
} heap_class;
typedef struct heap_allocator_s heap_allocator;
#ifdef __cplusplus
extern "C" {
#endif
void* memalign_etc(size_t alignment, size_t size, uint32 flags);
void free_etc(void* address, uint32 flags);
void* memalign(size_t alignment, size_t size);
void deferred_free(void* block);
void* malloc_referenced(size_t size);
void* malloc_referenced_acquire(void* data);
void malloc_referenced_release(void* data);
void heap_add_area(heap_allocator* heap, area_id areaID, addr_t base,
size_t size);
heap_allocator* heap_create_allocator(const char* name, addr_t base,
size_t size, const heap_class* heapClass, bool allocateOnHeap);
void* heap_memalign(heap_allocator* heap, size_t alignment, size_t size);
status_t heap_free(heap_allocator* heap, void* address);
#if KERNEL_HEAP_LEAK_CHECK
void heap_set_get_caller(heap_allocator* heap, addr_t (*getCaller)());
#endif
status_t heap_init(addr_t heapBase, size_t heapSize);
status_t heap_init_post_area();
status_t heap_init_post_sem();
status_t heap_init_post_thread();
#ifdef __cplusplus
}
#endif
static inline void*
malloc_etc(size_t size, uint32 flags)
{
return memalign_etc(0, size, flags);
}
#ifdef __cplusplus
#include <new>
#include <util/SinglyLinkedList.h>
struct malloc_flags {
uint32 flags;
malloc_flags(uint32 flags)
:
flags(flags)
{
}
malloc_flags(const malloc_flags& other)
:
flags(other.flags)
{
}
};
inline void*
operator new(size_t size, const malloc_flags& flags) throw()
{
return malloc_etc(size, flags.flags);
}
inline void*
operator new[](size_t size, const malloc_flags& flags) throw()
{
return malloc_etc(size, flags.flags);
}
class DeferredDeletable : public SinglyLinkedListLinkImpl<DeferredDeletable> {
public:
virtual ~DeferredDeletable();
};
void deferred_delete(DeferredDeletable* deletable);
#endif /* __cplusplus */
#endif /* _KERNEL_MEMHEAP_H */