Blender  V3.3
atomic_ops.h
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1 /*
2  * Original code from jemalloc with this license:
3  *
4  * Copyright (C) 2002-2013 Jason Evans <jasone@canonware.com>.
5  * All rights reserved.
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41  * The Original Code is Copyright (C) 2016 Blender Foundation.
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43  *
44  * The Original Code is: adapted from jemalloc.
45  */
46 
54 #ifndef __ATOMIC_OPS_H__
55 #define __ATOMIC_OPS_H__
56 
58 
59 /******************************************************************************/
60 /* Function prototypes. */
61 
69 
77 
83 
87 
93 
97 
100 
103 
106 
107 ATOMIC_INLINE char atomic_fetch_and_or_char(char *p, char b);
108 ATOMIC_INLINE char atomic_fetch_and_and_char(char *p, char b);
109 
110 ATOMIC_INLINE size_t atomic_add_and_fetch_z(size_t *p, size_t x);
111 ATOMIC_INLINE size_t atomic_sub_and_fetch_z(size_t *p, size_t x);
112 ATOMIC_INLINE size_t atomic_fetch_and_add_z(size_t *p, size_t x);
113 ATOMIC_INLINE size_t atomic_fetch_and_sub_z(size_t *p, size_t x);
114 ATOMIC_INLINE size_t atomic_cas_z(size_t *v, size_t old, size_t _new);
115 ATOMIC_INLINE size_t atomic_load_z(const size_t *v);
116 ATOMIC_INLINE void atomic_store_z(size_t *p, size_t v);
117 /* Uses CAS loop, see warning below. */
118 ATOMIC_INLINE size_t atomic_fetch_and_update_max_z(size_t *p, size_t x);
119 
120 ATOMIC_INLINE unsigned int atomic_add_and_fetch_u(unsigned int *p, unsigned int x);
121 ATOMIC_INLINE unsigned int atomic_sub_and_fetch_u(unsigned int *p, unsigned int x);
122 ATOMIC_INLINE unsigned int atomic_fetch_and_add_u(unsigned int *p, unsigned int x);
123 ATOMIC_INLINE unsigned int atomic_fetch_and_sub_u(unsigned int *p, unsigned int x);
124 ATOMIC_INLINE unsigned int atomic_cas_u(unsigned int *v, unsigned int old, unsigned int _new);
125 
126 ATOMIC_INLINE void *atomic_cas_ptr(void **v, void *old, void *_new);
127 ATOMIC_INLINE void *atomic_load_ptr(void *const *v);
128 ATOMIC_INLINE void atomic_store_ptr(void **p, void *v);
129 
130 ATOMIC_INLINE float atomic_cas_float(float *v, float old, float _new);
131 
132 /* WARNING! Float 'atomics' are really faked ones, those are actually closer to some kind of
133  * spinlock-sync'ed operation, which means they are only efficient if collisions are highly
134  * unlikely (i.e. if probability of two threads working on the same pointer at the same time is
135  * very low). */
136 ATOMIC_INLINE float atomic_add_and_fetch_fl(float *p, const float x);
137 
138 /******************************************************************************/
139 /* Include system-dependent implementations. */
140 
141 /* Note that we are using _unix flavor as fallback here
142  * (it will raise precompiler errors as needed). */
143 #if defined(_MSC_VER)
144 # include "intern/atomic_ops_msvc.h"
145 #else
146 # include "intern/atomic_ops_unix.h"
147 #endif
148 
149 /* Include 'fake' atomic extensions, built over real atomic primitives. */
150 #include "intern/atomic_ops_ext.h"
151 
152 #endif /* __ATOMIC_OPS_H__ */
ATOMIC_INLINE unsigned int atomic_fetch_and_sub_u(unsigned int *p, unsigned int x)
ATOMIC_INLINE uint32_t atomic_fetch_and_or_uint32(uint32_t *p, uint32_t x)
ATOMIC_INLINE int32_t atomic_add_and_fetch_int32(int32_t *p, int32_t x)
ATOMIC_INLINE int16_t atomic_fetch_and_or_int16(int16_t *p, int16_t b)
ATOMIC_INLINE void atomic_store_uint64(uint64_t *p, uint64_t v)
ATOMIC_INLINE size_t atomic_load_z(const size_t *v)
ATOMIC_INLINE size_t atomic_add_and_fetch_z(size_t *p, size_t x)
ATOMIC_INLINE uint64_t atomic_fetch_and_sub_uint64(uint64_t *p, uint64_t x)
ATOMIC_INLINE int64_t atomic_sub_and_fetch_int64(int64_t *p, int64_t x)
ATOMIC_INLINE uint8_t atomic_fetch_and_and_uint8(uint8_t *p, uint8_t b)
ATOMIC_INLINE uint64_t atomic_load_uint64(const uint64_t *v)
ATOMIC_INLINE size_t atomic_sub_and_fetch_z(size_t *p, size_t x)
ATOMIC_INLINE int64_t atomic_cas_int64(int64_t *v, int64_t old, int64_t _new)
ATOMIC_INLINE size_t atomic_fetch_and_sub_z(size_t *p, size_t x)
ATOMIC_INLINE uint32_t atomic_fetch_and_add_uint32(uint32_t *p, uint32_t x)
ATOMIC_INLINE uint8_t atomic_fetch_and_or_uint8(uint8_t *p, uint8_t b)
ATOMIC_INLINE int32_t atomic_load_int32(const int32_t *v)
ATOMIC_INLINE float atomic_add_and_fetch_fl(float *p, const float x)
ATOMIC_INLINE int64_t atomic_load_int64(const int64_t *v)
ATOMIC_INLINE int32_t atomic_fetch_and_or_int32(int32_t *p, int32_t x)
ATOMIC_INLINE char atomic_fetch_and_or_char(char *p, char b)
ATOMIC_INLINE uint32_t atomic_fetch_and_and_uint32(uint32_t *p, uint32_t x)
ATOMIC_INLINE void atomic_store_int64(int64_t *p, int64_t v)
ATOMIC_INLINE int64_t atomic_fetch_and_add_int64(int64_t *p, int64_t x)
ATOMIC_INLINE unsigned int atomic_add_and_fetch_u(unsigned int *p, unsigned int x)
ATOMIC_INLINE uint32_t atomic_add_and_fetch_uint32(uint32_t *p, uint32_t x)
ATOMIC_INLINE void * atomic_load_ptr(void *const *v)
ATOMIC_INLINE void atomic_store_int32(int32_t *p, int32_t v)
ATOMIC_INLINE int32_t atomic_fetch_and_add_int32(int32_t *p, int32_t x)
ATOMIC_INLINE uint64_t atomic_cas_uint64(uint64_t *v, uint64_t old, uint64_t _new)
ATOMIC_INLINE uint64_t atomic_fetch_and_add_uint64(uint64_t *p, uint64_t x)
ATOMIC_INLINE void * atomic_cas_ptr(void **v, void *old, void *_new)
ATOMIC_INLINE uint32_t atomic_sub_and_fetch_uint32(uint32_t *p, uint32_t x)
ATOMIC_INLINE char atomic_fetch_and_and_char(char *p, char b)
ATOMIC_INLINE int16_t atomic_fetch_and_and_int16(int16_t *p, int16_t b)
ATOMIC_INLINE unsigned int atomic_cas_u(unsigned int *v, unsigned int old, unsigned int _new)
ATOMIC_INLINE size_t atomic_cas_z(size_t *v, size_t old, size_t _new)
ATOMIC_INLINE void atomic_store_z(size_t *p, size_t v)
ATOMIC_INLINE float atomic_cas_float(float *v, float old, float _new)
ATOMIC_INLINE int64_t atomic_add_and_fetch_int64(int64_t *p, int64_t x)
ATOMIC_INLINE uint64_t atomic_add_and_fetch_uint64(uint64_t *p, uint64_t x)
ATOMIC_INLINE size_t atomic_fetch_and_add_z(size_t *p, size_t x)
ATOMIC_INLINE uint32_t atomic_load_uint32(const uint32_t *v)
ATOMIC_INLINE uint64_t atomic_sub_and_fetch_uint64(uint64_t *p, uint64_t x)
ATOMIC_INLINE void atomic_store_uint32(uint32_t *p, uint32_t v)
ATOMIC_INLINE int32_t atomic_cas_int32(int32_t *v, int32_t old, int32_t _new)
ATOMIC_INLINE int32_t atomic_fetch_and_and_int32(int32_t *p, int32_t x)
ATOMIC_INLINE size_t atomic_fetch_and_update_max_z(size_t *p, size_t x)
ATOMIC_INLINE int8_t atomic_fetch_and_or_int8(int8_t *p, int8_t b)
ATOMIC_INLINE void atomic_store_ptr(void **p, void *v)
ATOMIC_INLINE int32_t atomic_sub_and_fetch_int32(int32_t *p, int32_t x)
ATOMIC_INLINE unsigned int atomic_sub_and_fetch_u(unsigned int *p, unsigned int x)
ATOMIC_INLINE int8_t atomic_fetch_and_and_int8(int8_t *p, int8_t b)
ATOMIC_INLINE unsigned int atomic_fetch_and_add_u(unsigned int *p, unsigned int x)
ATOMIC_INLINE int64_t atomic_fetch_and_sub_int64(int64_t *p, int64_t x)
ATOMIC_INLINE uint32_t atomic_cas_uint32(uint32_t *v, uint32_t old, uint32_t _new)
#define ATOMIC_INLINE
ATTR_WARN_UNUSED_RESULT const BMVert * v
static const pxr::TfToken b("b", pxr::TfToken::Immortal)
signed short int16_t
Definition: stdint.h:76
unsigned int uint32_t
Definition: stdint.h:80
__int64 int64_t
Definition: stdint.h:89
signed int int32_t
Definition: stdint.h:77
unsigned char uint8_t
Definition: stdint.h:78
unsigned __int64 uint64_t
Definition: stdint.h:90
signed char int8_t
Definition: stdint.h:75