diff options
Diffstat (limited to 'deps/uv/src/uv-common.h')
| -rw-r--r-- | deps/uv/src/uv-common.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/deps/uv/src/uv-common.h b/deps/uv/src/uv-common.h index 0b0f5f86a01..063588eac97 100644 --- a/deps/uv/src/uv-common.h +++ b/deps/uv/src/uv-common.h @@ -60,6 +60,14 @@ extern int snprintf(char*, size_t, const char*, ...); #define STATIC_ASSERT(expr) \ void uv__static_assert(int static_assert_failed[1 - 2 * !(expr)]) +#if defined(__GNUC__) && (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ >= 7) +#define uv__load_relaxed(p) __atomic_load_n(p, __ATOMIC_RELAXED) +#define uv__store_relaxed(p, v) __atomic_store_n(p, v, __ATOMIC_RELAXED) +#else +#define uv__load_relaxed(p) (*p) +#define uv__store_relaxed(p, v) do *p = v; while (0) +#endif + /* Handle flags. Some flags are specific to Windows or UNIX. */ enum { /* Used by all handles. */ |