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-rw-r--r--examples/redis-unstable/deps/hdr_histogram/hdr_atomic.h146
1 files changed, 0 insertions, 146 deletions
diff --git a/examples/redis-unstable/deps/hdr_histogram/hdr_atomic.h b/examples/redis-unstable/deps/hdr_histogram/hdr_atomic.h
deleted file mode 100644
index ae1056a..0000000
--- a/examples/redis-unstable/deps/hdr_histogram/hdr_atomic.h
+++ /dev/null
@@ -1,146 +0,0 @@
-/**
- * hdr_atomic.h
- * Written by Philip Orwig and released to the public domain,
- * as explained at http://creativecommons.org/publicdomain/zero/1.0/
- */
-
-#ifndef HDR_ATOMIC_H__
-#define HDR_ATOMIC_H__
-
-
-#if defined(_MSC_VER)
-
-#include <stdint.h>
-#include <intrin.h>
-#include <stdbool.h>
-
-static void __inline * hdr_atomic_load_pointer(void** pointer)
-{
- _ReadBarrier();
- return *pointer;
-}
-
-static void hdr_atomic_store_pointer(void** pointer, void* value)
-{
- _WriteBarrier();
- *pointer = value;
-}
-
-static int64_t __inline hdr_atomic_load_64(int64_t* field)
-{
- _ReadBarrier();
- return *field;
-}
-
-static void __inline hdr_atomic_store_64(int64_t* field, int64_t value)
-{
- _WriteBarrier();
- *field = value;
-}
-
-static int64_t __inline hdr_atomic_exchange_64(volatile int64_t* field, int64_t value)
-{
-#if defined(_WIN64)
- return _InterlockedExchange64(field, value);
-#else
- int64_t comparand;
- int64_t initial_value = *field;
- do
- {
- comparand = initial_value;
- initial_value = _InterlockedCompareExchange64(field, value, comparand);
- }
- while (comparand != initial_value);
-
- return initial_value;
-#endif
-}
-
-static int64_t __inline hdr_atomic_add_fetch_64(volatile int64_t* field, int64_t value)
-{
-#if defined(_WIN64)
- return _InterlockedExchangeAdd64(field, value) + value;
-#else
- int64_t comparand;
- int64_t initial_value = *field;
- do
- {
- comparand = initial_value;
- initial_value = _InterlockedCompareExchange64(field, comparand + value, comparand);
- }
- while (comparand != initial_value);
-
- return initial_value + value;
-#endif
-}
-
-static bool __inline hdr_atomic_compare_exchange_64(volatile int64_t* field, int64_t* expected, int64_t desired)
-{
- return *expected == _InterlockedCompareExchange64(field, desired, *expected);
-}
-
-#elif defined(__ATOMIC_SEQ_CST)
-
-#define hdr_atomic_load_pointer(x) __atomic_load_n(x, __ATOMIC_SEQ_CST)
-#define hdr_atomic_store_pointer(f,v) __atomic_store_n(f,v, __ATOMIC_SEQ_CST)
-#define hdr_atomic_load_64(x) __atomic_load_n(x, __ATOMIC_SEQ_CST)
-#define hdr_atomic_store_64(f,v) __atomic_store_n(f,v, __ATOMIC_SEQ_CST)
-#define hdr_atomic_exchange_64(f,i) __atomic_exchange_n(f,i, __ATOMIC_SEQ_CST)
-#define hdr_atomic_add_fetch_64(field, value) __atomic_add_fetch(field, value, __ATOMIC_SEQ_CST)
-#define hdr_atomic_compare_exchange_64(field, expected, desired) __atomic_compare_exchange_n(field, expected, desired, false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST)
-
-#elif defined(__x86_64__)
-
-#include <stdint.h>
-#include <stdbool.h>
-
-static inline void* hdr_atomic_load_pointer(void** pointer)
-{
- void* p = *pointer;
- asm volatile ("" ::: "memory");
- return p;
-}
-
-static inline void hdr_atomic_store_pointer(void** pointer, void* value)
-{
- asm volatile ("lock; xchgq %0, %1" : "+q" (value), "+m" (*pointer));
-}
-
-static inline int64_t hdr_atomic_load_64(int64_t* field)
-{
- int64_t i = *field;
- asm volatile ("" ::: "memory");
- return i;
-}
-
-static inline void hdr_atomic_store_64(int64_t* field, int64_t value)
-{
- asm volatile ("lock; xchgq %0, %1" : "+q" (value), "+m" (*field));
-}
-
-static inline int64_t hdr_atomic_exchange_64(volatile int64_t* field, int64_t value)
-{
- int64_t result = 0;
- asm volatile ("lock; xchgq %1, %2" : "=r" (result), "+q" (value), "+m" (*field));
- return result;
-}
-
-static inline int64_t hdr_atomic_add_fetch_64(volatile int64_t* field, int64_t value)
-{
- return __sync_add_and_fetch(field, value);
-}
-
-static inline bool hdr_atomic_compare_exchange_64(volatile int64_t* field, int64_t* expected, int64_t desired)
-{
- int64_t original;
- asm volatile( "lock; cmpxchgq %2, %1" : "=a"(original), "+m"(*field) : "q"(desired), "0"(*expected));
- return original == *expected;
-}
-
-#else
-
-#error "Unable to determine atomic operations for your platform"
-
-#endif
-
-#endif /* HDR_ATOMIC_H__ */