mirror/v
1
0
Fork 0
mirror of https://github.com/vlang/v.git synced 2023-08-10 21:13:21 +03:00
Code Issues Projects Releases Wiki Activity

sync: channel implementation (#6074)

Browse Source
This commit is contained in:
Uwe Krüger
2020-08-06 15:28:19 +02:00
committed by GitHub
parent 09f1362305
commit 863cf8af60
15 changed files with 1532 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files

167
thirdparty/stdatomic/win/atomic.h vendored
View File

@ -100,8 +100,32 @@ __CRT_INLINE LONGLONG _InterlockedExchangeAdd64(LONGLONG volatile *Addend, LONGL
return Old;
}
__CRT_INLINE LONG _InterlockedExchangeAdd(LONG volatile *Addend, LONG Value)
{
LONG Old;
do
{
Old = *Addend;
} while (InterlockedCompareExchange(Addend, Old + Value, Old) != Old);
return Old;
}
__CRT_INLINE SHORT _InterlockedExchangeAdd16(SHORT volatile *Addend, SHORT Value)
{
SHORT Old;
do
{
Old = *Addend;
} while (InterlockedCompareExchange16(Addend, Old + Value, Old) != Old);
return Old;
}
#define InterlockedIncrement64 _InterlockedExchangeAdd64
__CRT_INLINE VOID __faststorefence() {
__asm__ __volatile__ ("sfence");
}
#endif
#define atomic_store(object, desired) \
@ -121,7 +145,7 @@ __CRT_INLINE LONGLONG _InterlockedExchangeAdd64(LONGLONG volatile *Addend, LONGL
atomic_load(object)
#define atomic_exchange(object, desired) \
InterlockedExchangePointer(object, desired);
InterlockedExchangePointer(object, desired)
#define atomic_exchange_explicit(object, desired, order) \
atomic_exchange(object, desired)
@ -177,6 +201,145 @@ static inline int atomic_compare_exchange_strong(intptr_t *object, intptr_t *exp
InterlockedAnd(object, operand)
#endif /* _WIN64 */
/* specialized versions with explicit object size */
#define atomic_load_ptr atomic_load
#define atomic_store_ptr atomic_store
#define atomic_compare_exchange_weak_ptr atomic_compare_exchange_weak
#define atomic_compare_exchange_strong_ptr atomic_compare_exchange_strong
#define atomic_exchange_ptr atomic_exchange
#define atomic_fetch_add_ptr atomic_fetch_add
#define atomic_fetch_sub_ptr atomic_fetch_sub
#define atomic_fetch_and_ptr atomic_fetch_and
#define atomic_fetch_or_ptr atomic_fetch_or
#define atomic_fetch_xor_ptr atomic_fetch_xor
static inline void atomic_store_u64(unsigned long long* object, unsigned long long desired) {
do {
*(object) = (desired);
MemoryBarrier();
} while (0);
}
static inline unsigned long long atomic_load_u64(unsigned long long* object) {
return (MemoryBarrier(), *(object));
}
#define atomic_exchange_u64(object, desired) \
InterlockedExchange64(object, desired)
static inline int atomic_compare_exchange_strong_u64(unsigned long long* object, unsigned long long* expected,
unsigned long long desired)
{
unsigned long long old = *expected;
*expected = InterlockedCompareExchange64(object, desired, old);
return *expected == old;
}
#define atomic_compare_exchange_weak_u64(object, expected, desired) \
atomic_compare_exchange_strong_u64(object, expected, desired)
#define atomic_fetch_add_u64(object, operand) \
InterlockedExchangeAdd64(object, operand)
#define atomic_fetch_sub_u64(object, operand) \
InterlockedExchangeAdd64(object, -(operand))
#define atomic_fetch_or_u64(object, operand) \
InterlockedOr64(object, operand)
#define atomic_fetch_xor_u64(object, operand) \
InterlockedXor64(object, operand)
#define atomic_fetch_and_u64(object, operand) \
InterlockedAnd64(object, operand)
static inline void atomic_store_u32(unsigned* object, unsigned desired) {
do {
*(object) = (desired);
MemoryBarrier();
} while (0);
}
static inline unsigned atomic_load_u32(unsigned* object) {
return (MemoryBarrier(), *(object));
}
#define atomic_exchange_u32(object, desired) \
InterlockedExchange(object, desired)
static inline int atomic_compare_exchange_strong_u32(unsigned* object, unsigned* expected,
unsigned desired)
{
unsigned old = *expected;
*expected = InterlockedCompareExchange(object, desired, old);
return *expected == old;
}
#define atomic_compare_exchange_weak_u32(object, expected, desired) \
atomic_compare_exchange_strong_u32(object, expected, desired)
#define atomic_fetch_add_u32(object, operand) \
InterlockedExchangeAdd(object, operand)
#define atomic_fetch_sub_u32(object, operand) \
InterlockedExchangeAdd(object, -(operand))
#define atomic_fetch_or_u32(object, operand) \
InterlockedOr(object, operand)
#define atomic_fetch_xor_u32(object, operand) \
InterlockedXor(object, operand)
#define atomic_fetch_and_u32(object, operand) \
InterlockedAnd(object, operand)
static inline void atomic_store_u16(unsigned short* object, unsigned short desired) {
do {
*(object) = (desired);
MemoryBarrier();
} while (0);
}
static inline unsigned short atomic_load_u16(unsigned short* object) {
return (MemoryBarrier(), *(object));
}
#define atomic_exchange_u16(object, desired) \
InterlockedExchange16(object, desired)
static inline int atomic_compare_exchange_strong_u16(unsigned short* object, unsigned short* expected,
unsigned short desired)
{
unsigned short old = *expected;
*expected = InterlockedCompareExchange16(object, desired, old);
return *expected == old;
}
#define atomic_compare_exchange_weak_u16(object, expected, desired) \
atomic_compare_exchange_strong_u16(object, expected, desired)
#define atomic_fetch_add_u16(object, operand) \
InterlockedExchangeAdd16(object, operand)
#define atomic_fetch_sub_u16(object, operand) \
InterlockedExchangeAdd16(object, -(operand))
#define atomic_fetch_or_u16(object, operand) \
InterlockedOr16(object, operand)
#define atomic_fetch_xor_u16(object, operand) \
InterlockedXor16(object, operand)
#define atomic_fetch_and_u16(object, operand) \
InterlockedAnd16(object, operand)
#define atomic_fetch_add_explicit(object, operand, order) \
atomic_fetch_add(object, operand)
@ -204,4 +367,4 @@ static inline int atomic_compare_exchange_strong(intptr_t *object, intptr_t *exp
#define atomic_flag_clear_explicit(object, order) \
atomic_flag_clear(object)
#endif /* COMPAT_ATOMICS_WIN32_STDATOMIC_H */
#endif /* COMPAT_ATOMICS_WIN32_STDATOMIC_H */