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Diffstat (limited to 'src/libstrongswan/utils')
| -rw-r--r-- | src/libstrongswan/utils/utils.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/libstrongswan/utils/utils.h b/src/libstrongswan/utils/utils.h index 8f91e8431..75b31ec1b 100644 --- a/src/libstrongswan/utils/utils.h +++ b/src/libstrongswan/utils/utils.h @@ -748,6 +748,13 @@ static inline size_t round_down(size_t size, size_t alignment) */ typedef u_int refcount_t; +/* use __atomic* built-ins with GCC 4.7 and newer */ +#ifdef __GNUC__ +# if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 6)) +# define HAVE_GCC_ATOMIC_OPERATIONS +# endif +#endif + #ifdef HAVE_GCC_ATOMIC_OPERATIONS #define ref_get(ref) __atomic_add_fetch(ref, 1, __ATOMIC_RELAXED) |