Blender  V3.3
mallocn_intern.h
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1 /* SPDX-License-Identifier: GPL-2.0-or-later
2  * Copyright 2013 Blender Foundation. All rights reserved. */
3 
8 #ifndef __MALLOCN_INTERN_H__
9 #define __MALLOCN_INTERN_H__
10 
11 #ifdef __GNUC__
12 # define UNUSED(x) UNUSED_##x __attribute__((__unused__))
13 #else
14 # define UNUSED(x) UNUSED_##x
15 #endif
16 
17 #undef HAVE_MALLOC_STATS
18 #define USE_MALLOC_USABLE_SIZE /* internal, when we have malloc_usable_size() */
19 
20 #if defined(__linux__) || (defined(__FreeBSD_kernel__) && !defined(__FreeBSD__)) || \
21  defined(__GLIBC__)
22 # include <malloc.h>
23 # define HAVE_MALLOC_STATS
24 #elif defined(__FreeBSD__)
25 # include <malloc_np.h>
26 #elif defined(__NetBSD__) || defined(__OpenBSD__)
27 # undef USE_MALLOC_USABLE_SIZE
28 #elif defined(__APPLE__)
29 # include <malloc/malloc.h>
30 # define malloc_usable_size malloc_size
31 #elif defined(WIN32)
32 # include <malloc.h>
33 # define malloc_usable_size _msize
34 #elif defined(__HAIKU__)
35 # include <malloc.h>
36 size_t malloc_usable_size(void *ptr);
37 #else
38 # pragma message "We don't know how to use malloc_usable_size on your platform"
39 # undef USE_MALLOC_USABLE_SIZE
40 #endif
41 
42 #define SIZET_FORMAT "%zu"
43 #define SIZET_ARG(a) ((size_t)(a))
44 
45 #define SIZET_ALIGN_4(len) ((len + 3) & ~(size_t)3)
46 
47 #ifdef __GNUC__
48 # define LIKELY(x) __builtin_expect(!!(x), 1)
49 # define UNLIKELY(x) __builtin_expect(!!(x), 0)
50 #else
51 # define LIKELY(x) (x)
52 # define UNLIKELY(x) (x)
53 #endif
54 
55 #if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__NetBSD__) && !defined(__OpenBSD__)
56 // Needed for memalign on Linux and _aligned_alloc on Windows.
57 
58 # include <malloc.h>
59 #else
60 // Apple's malloc is 16-byte aligned, and does not have malloc.h, so include
61 // stdilb instead.
62 # include <stdlib.h>
63 #endif
64 
65 /* visual studio 2012 does not define inline for C */
66 #ifdef _MSC_VER
67 # define MEM_INLINE static __inline
68 #else
69 # define MEM_INLINE static inline
70 #endif
71 
72 #define IS_POW2(a) (((a) & ((a)-1)) == 0)
73 
74 /* Extra padding which needs to be applied on MemHead to make it aligned. */
75 #define MEMHEAD_ALIGN_PADDING(alignment) \
76  ((size_t)alignment - (sizeof(MemHeadAligned) % (size_t)alignment))
77 
78 /* Real pointer returned by the malloc or aligned_alloc. */
79 #define MEMHEAD_REAL_PTR(memh) ((char *)memh - MEMHEAD_ALIGN_PADDING(memh->alignment))
80 
81 #include "mallocn_inline.h"
82 
83 #ifdef __cplusplus
84 extern "C" {
85 #endif
86 
87 #define ALIGNED_MALLOC_MINIMUM_ALIGNMENT sizeof(void *)
88 
89 void *aligned_malloc(size_t size, size_t alignment);
90 void aligned_free(void *ptr);
91 
92 extern bool leak_detector_has_run;
94 
95 /* Prototypes for counted allocator functions */
96 size_t MEM_lockfree_allocN_len(const void *vmemh) ATTR_WARN_UNUSED_RESULT;
97 void MEM_lockfree_freeN(void *vmemh);
99 void *MEM_lockfree_reallocN_id(void *vmemh,
100  size_t len,
102  ATTR_ALLOC_SIZE(2);
103 void *MEM_lockfree_recallocN_id(void *vmemh,
104  size_t len,
106  ATTR_ALLOC_SIZE(2);
110  size_t size,
112  ATTR_ALLOC_SIZE(1, 2) ATTR_NONNULL(3);
116  size_t size,
118  ATTR_ALLOC_SIZE(1, 2) ATTR_NONNULL(3);
119 void *MEM_lockfree_mallocN_aligned(size_t len,
120  size_t alignment,
124 void MEM_lockfree_printmemlist(void);
125 void MEM_lockfree_callbackmemlist(void (*func)(void *));
127 void MEM_lockfree_set_error_callback(void (*func)(const char *));
130 size_t MEM_lockfree_get_memory_in_use(void);
131 unsigned int MEM_lockfree_get_memory_blocks_in_use(void);
134 #ifndef NDEBUG
135 const char *MEM_lockfree_name_ptr(void *vmemh);
136 #endif
137 
138 /* Prototypes for fully guarded allocator functions */
139 size_t MEM_guarded_allocN_len(const void *vmemh) ATTR_WARN_UNUSED_RESULT;
140 void MEM_guarded_freeN(void *vmemh);
142 void *MEM_guarded_reallocN_id(void *vmemh,
143  size_t len,
145  ATTR_ALLOC_SIZE(2);
146 void *MEM_guarded_recallocN_id(void *vmemh,
147  size_t len,
149  ATTR_ALLOC_SIZE(2);
153  size_t size,
155  ATTR_ALLOC_SIZE(1, 2) ATTR_NONNULL(3);
159  size_t size,
161  ATTR_ALLOC_SIZE(1, 2) ATTR_NONNULL(3);
162 void *MEM_guarded_mallocN_aligned(size_t len,
163  size_t alignment,
167 void MEM_guarded_printmemlist(void);
168 void MEM_guarded_callbackmemlist(void (*func)(void *));
170 void MEM_guarded_set_error_callback(void (*func)(const char *));
173 size_t MEM_guarded_get_memory_in_use(void);
174 unsigned int MEM_guarded_get_memory_blocks_in_use(void);
177 #ifndef NDEBUG
178 const char *MEM_guarded_name_ptr(void *vmemh);
179 #endif
180 
181 #ifdef __cplusplus
182 }
183 #endif
184 
185 #endif /* __MALLOCN_INTERN_H__ */
#define ATTR_WARN_UNUSED_RESULT
#define ATTR_MALLOC
#define ATTR_ALLOC_SIZE(...)
static DBVT_INLINE btScalar size(const btDbvtVolume &a)
Definition: btDbvt.cpp:52
int len
Definition: draw_manager.c:108
#define str(s)
const char * MEM_guarded_name_ptr(void *vmemh)
unsigned int MEM_guarded_get_memory_blocks_in_use(void)
void * MEM_lockfree_mallocN_aligned(size_t len, size_t alignment, const char *str) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_ALLOC_SIZE(1) ATTR_NONNULL(3)
void * MEM_guarded_dupallocN(const void *vmemh) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT
void * MEM_lockfree_mallocN(size_t len, const char *str) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_ALLOC_SIZE(1) ATTR_NONNULL(2)
void aligned_free(void *ptr)
Definition: mallocn.c:76
size_t MEM_guarded_allocN_len(const void *vmemh) ATTR_WARN_UNUSED_RESULT
void * MEM_lockfree_reallocN_id(void *vmemh, size_t len, const char *str) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_ALLOC_SIZE(2)
void MEM_lockfree_reset_peak_memory(void)
void * aligned_malloc(size_t size, size_t alignment)
Definition: mallocn.c:54
size_t MEM_guarded_get_peak_memory(void) ATTR_WARN_UNUSED_RESULT
void * MEM_lockfree_recallocN_id(void *vmemh, size_t len, const char *str) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_ALLOC_SIZE(2)
void MEM_lockfree_set_error_callback(void(*func)(const char *))
void * MEM_guarded_reallocN_id(void *vmemh, size_t len, const char *str) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_ALLOC_SIZE(2)
void MEM_guarded_set_error_callback(void(*func)(const char *))
void MEM_lockfree_printmemlist_stats(void)
void MEM_lockfree_set_memory_debug(void)
void * MEM_guarded_callocN(size_t len, const char *str) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_ALLOC_SIZE(1) ATTR_NONNULL(2)
void * MEM_guarded_calloc_arrayN(size_t len, size_t size, const char *str) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_ALLOC_SIZE(1
void MEM_guarded_printmemlist(void)
void MEM_guarded_printmemlist_pydict(void)
void * MEM_lockfree_callocN(size_t len, const char *str) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_ALLOC_SIZE(1) ATTR_NONNULL(2)
void * MEM_guarded_malloc_arrayN(size_t len, size_t size, const char *str) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_ALLOC_SIZE(1
void MEM_guarded_callbackmemlist(void(*func)(void *))
bool leak_detector_has_run
bool MEM_guarded_consistency_check(void)
bool MEM_lockfree_consistency_check(void)
void * MEM_lockfree_dupallocN(const void *vmemh) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT
const char * MEM_lockfree_name_ptr(void *vmemh)
void MEM_guarded_set_memory_debug(void)
void ATTR_NONNULL(3)
Iterator New.
void MEM_guarded_printmemlist_stats(void)
void * MEM_lockfree_malloc_arrayN(size_t len, size_t size, const char *str) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_ALLOC_SIZE(1
void MEM_lockfree_printmemlist_pydict(void)
char free_after_leak_detection_message[]
void * MEM_guarded_mallocN_aligned(size_t len, size_t alignment, const char *str) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_ALLOC_SIZE(1) ATTR_NONNULL(3)
void MEM_lockfree_printmemlist(void)
void MEM_lockfree_freeN(void *vmemh)
size_t MEM_lockfree_allocN_len(const void *vmemh) ATTR_WARN_UNUSED_RESULT
void MEM_lockfree_callbackmemlist(void(*func)(void *))
void * MEM_lockfree_calloc_arrayN(size_t len, size_t size, const char *str) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_ALLOC_SIZE(1
void MEM_guarded_reset_peak_memory(void)
void * MEM_guarded_recallocN_id(void *vmemh, size_t len, const char *str) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_ALLOC_SIZE(2)
size_t MEM_lockfree_get_memory_in_use(void)
size_t MEM_guarded_get_memory_in_use(void)
void * MEM_guarded_mallocN(size_t len, const char *str) ATTR_MALLOC ATTR_WARN_UNUSED_RESULT ATTR_ALLOC_SIZE(1) ATTR_NONNULL(2)
unsigned int MEM_lockfree_get_memory_blocks_in_use(void)
size_t MEM_lockfree_get_peak_memory(void) ATTR_WARN_UNUSED_RESULT
void MEM_guarded_freeN(void *vmemh)
PointerRNA * ptr
Definition: wm_files.c:3480