le_atomic.h

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#ifndef LEGATO_ATOMIC_INCLUDE_GUARD
#define LEGATO_ATOMIC_INCLUDE_GUARD

#ifdef __GNUC__

#define LE_ATOMIC_ORDER_RELAXED __ATOMIC_RELAXED

#define LE_ATOMIC_ORDER_ACQUIRE __ATOMIC_ACQUIRE

#define LE_ATOMIC_ORDER_RELEASE __ATOMIC_RELEASE

#define LE_ATOMIC_ORDER_ACQ_REL __ATOMIC_ACQ_REL

#define LE_ATOMIC_TEST_AND_SET(ptr, order) __atomic_test_and_set((ptr), (order))

#define LE_ATOMIC_ADD_FETCH(ptr, value, order)  __sync_add_and_fetch((ptr), (value))

#define LE_ATOMIC_SUB_FETCH(ptr, value, order)  __sync_sub_and_fetch((ptr), (value))

#define LE_ATOMIC_OR_FETCH(ptr, value, order)  __sync_or_and_fetch((ptr), (value))

#define LE_ATOMIC_AND_FETCH(ptr, value, order) __sync_and_and_fetch((ptr), (value))

#define LE_SYNC_BOOL_COMPARE_AND_SWAP(ptr, oldval, newval) \
            __sync_bool_compare_and_swap((ptr), (oldval), (newval))

#else /* !__GCC__ */

// On compilers other than GCC, the framework adaptor must provide an implementation.
#ifndef LE_ATOMIC_ORDER_RELAXED
#error "The frameworkAdaptor is missing a definition of LE_ATOMIC_ORDER_RELAXED"
#endif

#ifndef LE_ATOMIC_ORDER_ACQUIRE
#error "The frameworkAdaptor is missing a definition of LE_ATOMIC_ORDER_ACQUIRE"
#endif

#ifndef LE_ATOMIC_ORDER_RELEASE
#error "The frameworkAdaptor is missing a definition of LE_ATOMIC_ORDER_RELEASE"
#endif

#ifndef LE_ATOMIC_ORDER_ACQ_REL
#error "The frameworkAdaptor is missing a definition of LE_ATOMIC_ORDER_ACQ_REL"
#endif

#ifndef LE_ATOMIC_TEST_AND_SET
#error "The frameworkAdaptor is missing a definition of LE_ATOMIC_TEST_AND_SET"
#endif

#ifndef LE_ATOMIC_ADD_FETCH
#error "The frameworkAdaptor is missing a definition of LE_ATOMIC_ADD_FETCH"
#endif

#ifndef LE_ATOMIC_SUB_FETCH
#error "The frameworkAdaptor is missing a definition of LE_ATOMIC_SUB_FETCH"
#endif

#ifndef LE_ATOMIC_OR_FETCH
#error "The frameworkAdaptor is missing a definition of LE_ATOMIC_OR_FETCH"
#endif

#ifndef LE_ATOMIC_AND_FETCH
#error "The frameworkAdaptor is missing a definition of LE_ATOMIC_AND_FETCH"
#endif

#ifndef LE_SYNC_BOOL_COMPARE_AND_SWAP
#error "The frameworkAdaptor is missing a definition of LE_SYNC_BOOL_COMPARE_AND_SWAP"
#endif

#endif /* __GCC__ */

#endif // LEGATO_ATOMIC_INCLUDE_GUARD