diff options
Diffstat (limited to 'src/components/include/utils/atomic.h')
| -rw-r--r-- | src/components/include/utils/atomic.h | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/src/components/include/utils/atomic.h b/src/components/include/utils/atomic.h index f80455b748..9cb1571962 100644 --- a/src/components/include/utils/atomic.h +++ b/src/components/include/utils/atomic.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013, Ford Motor Company + * Copyright (c) 2013-2015, Ford Motor Company * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -33,14 +33,18 @@ #ifndef SRC_COMPONENTS_INCLUDE_UTILS_ATOMIC_H_ #define SRC_COMPONENTS_INCLUDE_UTILS_ATOMIC_H_ -#ifdef __QNXNTO__ +#if defined(__QNXNTO__) #include <atomic.h> +#elif defined(OS_WINDOWS) +#include "utils/winhdr.h" #endif #if defined(__QNXNTO__) #define atomic_post_inc(ptr) atomic_add_value((ptr), 1) #elif defined(__GNUG__) #define atomic_post_inc(ptr) __sync_fetch_and_add((ptr), 1) +#elif defined(OS_WINDOWS) +#define atomic_post_inc(ptr) (InterlockedIncrement((ptr)) - 1) #else #warning "atomic_post_inc() implementation is not atomic" #define atomic_post_inc(ptr) (*(ptr))++ @@ -50,36 +54,36 @@ #define atomic_post_dec(ptr) atomic_sub_value((ptr), 1) #elif defined(__GNUG__) #define atomic_post_dec(ptr) __sync_fetch_and_sub((ptr), 1) +#elif defined(OS_WINDOWS) +#define atomic_post_dec(ptr) (InterlockedDecrement((ptr)) + 1) #else #warning "atomic_post_dec() implementation is not atomic" #define atomic_post_dec(ptr) (*(ptr))-- #endif -#if defined(__QNXNTO__) -// on QNX pointer assignment is believed to be atomic -#define atomic_pointer_assign(dst, src) (dst) = (src) -#elif defined(__GNUG__) -// with g++ pointer assignment is believed to be atomic +// pointer assignment is believed to be atomic #define atomic_pointer_assign(dst, src) (dst) = (src) -#else -#warning atomic_pointer_assign() implementation may be non-atomic -#define atomic_pointer_assign(dst, src) (dst) = (src) -#endif #if defined(__QNXNTO__) #define atomic_post_set(dst) atomic_set_value(dst, 1) #elif defined(__GNUG__) #define atomic_post_set(dst) __sync_val_compare_and_swap((dst), 0, 1) +#elif defined(OS_WINDOWS) +#define atomic_post_set(dst) InterlockedCompareExchange((dst), 1, 0) #else -#error "atomic post set operation not defined" +#warning "atomic_post_set() implementation is not atomic" +#define atomic_post_set(dst) (dst) = (dst) == 0 ? 1 : (dst) #endif #if defined(__QNXNTO__) #define atomic_post_clr(dst) atomic_clr_value(dst, 1) #elif defined(__GNUG__) #define atomic_post_clr(dst) __sync_val_compare_and_swap((dst), 1, 0) +#elif defined(OS_WINDOWS) +#define atomic_post_clr(dst) InterlockedCompareExchange((dst), 0, 1) #else -#error "atomic post clear operation not defined" +#warning "atomic_post_clr() implementation is not atomic" +#define atomic_post_clr(dst) (dst) = (dst) == 1 ? 0 : (dst) #endif #endif // SRC_COMPONENTS_INCLUDE_UTILS_ATOMIC_H_ |