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unix,win: use static_assert when available (#3189)

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Fixes: https://github.com/libuv/libuv/issues/3131
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Ben Noordhuis 2023-01-18 05:26:41 +01:00 committed by GitHub
parent 2f110a50df
commit 55b5d88b01
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1 changed files with 5 additions and 0 deletions
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src/uv-common.h
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@ -53,8 +53,13 @@ extern int snprintf(char*, size_t, const char*, ...);
#define container_of(ptr, type, member) \ #define container_of(ptr, type, member) \
((type *) ((char *) (ptr) - offsetof(type, member))) ((type *) ((char *) (ptr) - offsetof(type, member)))
/* C11 defines static_assert to be a macro which calls _Static_assert. */
#if defined(static_assert)
#define STATIC_ASSERT(expr) static_assert(expr, #expr)
#else
#define STATIC_ASSERT(expr) \ #define STATIC_ASSERT(expr) \
void uv__static_assert(int static_assert_failed[1 - 2 * !(expr)]) void uv__static_assert(int static_assert_failed[1 - 2 * !(expr)])
#endif
#if defined(__GNUC__) && (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ >= 7) #if defined(__GNUC__) && (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__ >= 7)
#define uv__load_relaxed(p) __atomic_load_n(p, __ATOMIC_RELAXED) #define uv__load_relaxed(p) __atomic_load_n(p, __ATOMIC_RELAXED)