diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/atomic.h | 52 |
1 files changed, 21 insertions, 31 deletions
diff --git a/include/atomic.h b/include/atomic.h index 2a996625..1f6ceae2 100644 --- a/include/atomic.h +++ b/include/atomic.h @@ -33,8 +33,8 @@ extern "C" { #define ATOMIC_LOAD(...) PARAM2(atomic_load_explicit, __VA_ARGS__, memory_order_seq_cst) #define ATOMIC_STORE(...) PARAM3(atomic_store_explicit, __VA_ARGS__, memory_order_seq_cst) -#define ATOMIC_ADD(T, ...) PARAM3(atomic_fetch_add_explicit, __VA_ARGS__, memory_order_seq_cst) -#define ATOMIC_SUB(T, ...) PARAM3(atomic_fetch_sub_explicit, __VA_ARGS__, memory_order_seq_cst) +#define ATOMIC_ADD(...) PARAM3(atomic_fetch_add_explicit, __VA_ARGS__, memory_order_seq_cst) +#define ATOMIC_SUB(...) PARAM3(atomic_fetch_sub_explicit, __VA_ARGS__, memory_order_seq_cst) #define ATOMIC_EXCHANGE(T, ...) PARAM3(atomic_exchange_explicit, __VA_ARGS__, memory_order_seq_cst) #define ATOMIC_COMPARE_EXCHANGE_STRONG(T, ...) \ @@ -69,14 +69,8 @@ enum almemory_order { (_val)->value = (_newval); \ } while(0) -#define ATOMIC_ADD(T, _val, _incr, ...) __extension__({ \ - static_assert(sizeof(T)==sizeof((_val)->value), "Type "#T" has incorrect size!"); \ - __sync_fetch_and_add(&(_val)->value, (_incr)); \ -}) -#define ATOMIC_SUB(T, _val, _decr, ...) __extension__({ \ - static_assert(sizeof(T)==sizeof((_val)->value), "Type "#T" has incorrect size!"); \ - __sync_fetch_and_sub(&(_val)->value, (_decr)); \ -}) +#define ATOMIC_ADD(_val, _incr, ...) __sync_fetch_and_add(&(_val)->value, (_incr)) +#define ATOMIC_SUB(_val, _decr, ...) __sync_fetch_and_sub(&(_val)->value, (_decr)) #define ATOMIC_EXCHANGE(T, _val, _newval, ...) __extension__({ \ static_assert(sizeof(T)==sizeof((_val)->value), "Type "#T" has incorrect size!"); \ @@ -143,18 +137,14 @@ enum almemory_order { (_val)->value = (_newval); \ } while(0) -#define ATOMIC_ADD(T, _val, _incr, ...) __extension__({ \ - static_assert(sizeof(T)==4, "Type "#T" has incorrect size!"); \ - static_assert(sizeof(T)==sizeof((_val)->value), "Type "#T" has incorrect size!"); \ - T _r; \ - WRAP_ADD(_r, &(_val)->value, (T)(_incr)); \ +#define ATOMIC_ADD(_val, _incr, ...) __extension__({ \ + __typeof((_val)->value) _r; \ + WRAP_ADD(_r, &(_val)->value, _incr); \ _r; \ }) -#define ATOMIC_SUB(T, _val, _decr, ...) __extension__({ \ - static_assert(sizeof(T)==4, "Type "#T" has incorrect size!"); \ - static_assert(sizeof(T)==sizeof((_val)->value), "Type "#T" has incorrect size!"); \ - T _r; \ - WRAP_SUB(_r, &(_val)->value, (T)(_decr)); \ +#define ATOMIC_SUB(_val, _decr, ...) __extension__({ \ + __typeof((_val)->value) _r; \ + WRAP_SUB(_r, &(_val)->value, _decr); \ _r; \ }) @@ -222,7 +212,7 @@ inline bool CompareAndSwap64(volatile LONGLONG *dest, LONGLONG newval, LONGLONG return old == *oldval; } -#define WRAP_ADDSUB(T, _func, _ptr, _amnt) ((T(*)(T volatile*,T))_func)((_ptr), (_amnt)) +#define WRAP_ADDSUB(T, _func, _ptr, _amnt) (_func((T volatile*)(_ptr), (_amnt)) #define WRAP_XCHG(T, _func, _ptr, _newval) ((T(*)(T volatile*,T))_func)((_ptr), (_newval)) #define WRAP_CMPXCHG(T, _func, _ptr, _newval, _oldval) ((bool(*)(T volatile*,T,T*))_func)((_ptr), (_newval), (_oldval)) @@ -248,12 +238,12 @@ enum almemory_order { int _al_invalid_atomic_size(); /* not defined */ -#define ATOMIC_ADD(T, _val, _incr, ...) \ - ((sizeof(T)==4) ? WRAP_ADDSUB(T, AtomicAdd32, &(_val)->value, (_incr)) : \ - (T)_al_invalid_atomic_size()) -#define ATOMIC_SUB(T, _val, _decr, ...) \ - ((sizeof(T)==4) ? WRAP_ADDSUB(T, AtomicSub32, &(_val)->value, (_decr)) : \ - (T)_al_invalid_atomic_size()) +#define ATOMIC_ADD(_val, _incr, ...) \ + ((sizeof((_val)->value)==4) ? WRAP_ADDSUB(LONG, AtomicAdd32, &(_val)->value, (_incr)) : \ + _al_invalid_atomic_size()) +#define ATOMIC_SUB(_val, _decr, ...) \ + ((sizeof((_val)->value)==4) ? WRAP_ADDSUB(LONG, AtomicSub32, &(_val)->value, (_decr)) : \ + _al_invalid_atomic_size()) #define ATOMIC_EXCHANGE(T, _val, _newval, ...) \ ((sizeof(T)==4) ? WRAP_XCHG(T, AtomicSwap32, &(_val)->value, (_newval)) : \ @@ -278,8 +268,8 @@ int _al_invalid_atomic_size(); /* not defined */ #define ATOMIC_LOAD(_val, ...) (0) #define ATOMIC_STORE(_val, _newval, ...) ((void)0) -#define ATOMIC_ADD(T, _val, _incr, ...) (0) -#define ATOMIC_SUB(T, _val, _decr, ...) (0) +#define ATOMIC_ADD(_val, _incr, ...) (0) +#define ATOMIC_SUB(_val, _decr, ...) (0) #define ATOMIC_EXCHANGE(T, _val, _newval, ...) (0) #define ATOMIC_COMPARE_EXCHANGE_STRONG(T, _val, _oldval, _newval, ...) (0) @@ -300,9 +290,9 @@ inline void InitRef(RefCount *ptr, uint value) inline uint ReadRef(RefCount *ptr) { return ATOMIC_LOAD(ptr); } inline uint IncrementRef(RefCount *ptr) -{ return ATOMIC_ADD(uint, ptr, 1)+1; } +{ return ATOMIC_ADD(ptr, 1)+1; } inline uint DecrementRef(RefCount *ptr) -{ return ATOMIC_SUB(uint, ptr, 1)-1; } +{ return ATOMIC_SUB(ptr, 1)-1; } /* This is *NOT* atomic, but is a handy utility macro to compare-and-swap non- |