diff options
Diffstat (limited to 'OpenAL32')
-rw-r--r-- | OpenAL32/Include/alMain.h | 219 |
1 files changed, 3 insertions, 216 deletions
diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h index a02c71b6..037edb11 100644 --- a/OpenAL32/Include/alMain.h +++ b/OpenAL32/Include/alMain.h @@ -15,6 +15,9 @@ #include "AL/alc.h" #include "AL/alext.h" +#include "atomic.h" +#include "uintmap.h" + #ifndef ALC_SOFT_HRTF #define ALC_SOFT_HRTF 1 #define ALC_HRTF_SOFT 0x1992 @@ -117,222 +120,6 @@ static const union { } while(0) -typedef void *volatile XchgPtr; - -#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)) && !defined(__QNXNTO__) -typedef ALuint RefCount; -static inline RefCount IncrementRef(volatile RefCount *ptr) -{ return __sync_add_and_fetch(ptr, 1); } -static inline RefCount DecrementRef(volatile RefCount *ptr) -{ return __sync_sub_and_fetch(ptr, 1); } - -static inline int ExchangeInt(volatile int *ptr, int newval) -{ - return __sync_lock_test_and_set(ptr, newval); -} -static inline void *ExchangePtr(XchgPtr *ptr, void *newval) -{ - return __sync_lock_test_and_set(ptr, newval); -} -static inline ALboolean CompExchangeInt(volatile int *ptr, int oldval, int newval) -{ - return __sync_bool_compare_and_swap(ptr, oldval, newval); -} -static inline ALboolean CompExchangePtr(XchgPtr *ptr, void *oldval, void *newval) -{ - return __sync_bool_compare_and_swap(ptr, oldval, newval); -} - -#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) - -static inline int xaddl(volatile int *dest, int incr) -{ - int ret; - __asm__ __volatile__("lock; xaddl %0,(%1)" - : "=r" (ret) - : "r" (dest), "0" (incr) - : "memory"); - return ret; -} - -typedef int RefCount; -static inline RefCount IncrementRef(volatile RefCount *ptr) -{ return xaddl(ptr, 1)+1; } -static inline RefCount DecrementRef(volatile RefCount *ptr) -{ return xaddl(ptr, -1)-1; } - -static inline int ExchangeInt(volatile int *dest, int newval) -{ - int ret; - __asm__ __volatile__("lock; xchgl %0,(%1)" - : "=r" (ret) - : "r" (dest), "0" (newval) - : "memory"); - return ret; -} - -static inline ALboolean CompExchangeInt(volatile int *dest, int oldval, int newval) -{ - int ret; - __asm__ __volatile__("lock; cmpxchgl %2,(%1)" - : "=a" (ret) - : "r" (dest), "r" (newval), "0" (oldval) - : "memory"); - return ret == oldval; -} - -static inline void *ExchangePtr(XchgPtr *dest, void *newval) -{ - void *ret; - __asm__ __volatile__( -#ifdef __i386__ - "lock; xchgl %0,(%1)" -#else - "lock; xchgq %0,(%1)" -#endif - : "=r" (ret) - : "r" (dest), "0" (newval) - : "memory" - ); - return ret; -} - -static inline ALboolean CompExchangePtr(XchgPtr *dest, void *oldval, void *newval) -{ - void *ret; - __asm__ __volatile__( -#ifdef __i386__ - "lock; cmpxchgl %2,(%1)" -#else - "lock; cmpxchgq %2,(%1)" -#endif - : "=a" (ret) - : "r" (dest), "r" (newval), "0" (oldval) - : "memory" - ); - return ret == oldval; -} - -#elif defined(_WIN32) - -typedef LONG RefCount; -static inline RefCount IncrementRef(volatile RefCount *ptr) -{ return InterlockedIncrement(ptr); } -static inline RefCount DecrementRef(volatile RefCount *ptr) -{ return InterlockedDecrement(ptr); } - -extern ALbyte LONG_size_does_not_match_int[(sizeof(LONG)==sizeof(int))?1:-1]; - -static inline int ExchangeInt(volatile int *ptr, int newval) -{ - union { - volatile int *i; - volatile LONG *l; - } u = { ptr }; - return InterlockedExchange(u.l, newval); -} -static inline void *ExchangePtr(XchgPtr *ptr, void *newval) -{ - return InterlockedExchangePointer(ptr, newval); -} -static inline ALboolean CompExchangeInt(volatile int *ptr, int oldval, int newval) -{ - union { - volatile int *i; - volatile LONG *l; - } u = { ptr }; - return InterlockedCompareExchange(u.l, newval, oldval) == oldval; -} -static inline ALboolean CompExchangePtr(XchgPtr *ptr, void *oldval, void *newval) -{ - return InterlockedCompareExchangePointer(ptr, newval, oldval) == oldval; -} - -#elif defined(__APPLE__) - -#include <libkern/OSAtomic.h> - -typedef int32_t RefCount; -static inline RefCount IncrementRef(volatile RefCount *ptr) -{ return OSAtomicIncrement32Barrier(ptr); } -static inline RefCount DecrementRef(volatile RefCount *ptr) -{ return OSAtomicDecrement32Barrier(ptr); } - -static inline int ExchangeInt(volatile int *ptr, int newval) -{ - /* Really? No regular old atomic swap? */ - int oldval; - do { - oldval = *ptr; - } while(!OSAtomicCompareAndSwap32Barrier(oldval, newval, ptr)); - return oldval; -} -static inline void *ExchangePtr(XchgPtr *ptr, void *newval) -{ - void *oldval; - do { - oldval = *ptr; - } while(!OSAtomicCompareAndSwapPtrBarrier(oldval, newval, ptr)); - return oldval; -} -static inline ALboolean CompExchangeInt(volatile int *ptr, int oldval, int newval) -{ - return OSAtomicCompareAndSwap32Barrier(oldval, newval, ptr); -} -static inline ALboolean CompExchangePtr(XchgPtr *ptr, void *oldval, void *newval) -{ - return OSAtomicCompareAndSwapPtrBarrier(oldval, newval, ptr); -} - -#else -#error "No atomic functions available on this platform!" -typedef ALuint RefCount; -#endif - - -typedef struct { - volatile RefCount read_count; - volatile RefCount write_count; - volatile ALenum read_lock; - volatile ALenum read_entry_lock; - volatile ALenum write_lock; -} RWLock; - -void RWLockInit(RWLock *lock); -void ReadLock(RWLock *lock); -void ReadUnlock(RWLock *lock); -void WriteLock(RWLock *lock); -void WriteUnlock(RWLock *lock); - - -typedef struct UIntMap { - struct { - ALuint key; - ALvoid *value; - } *array; - ALsizei size; - ALsizei maxsize; - ALsizei limit; - RWLock lock; -} UIntMap; -extern UIntMap TlsDestructor; - -void InitUIntMap(UIntMap *map, ALsizei limit); -void ResetUIntMap(UIntMap *map); -ALenum InsertUIntMapEntry(UIntMap *map, ALuint key, ALvoid *value); -ALvoid *RemoveUIntMapKey(UIntMap *map, ALuint key); -ALvoid *LookupUIntMapKey(UIntMap *map, ALuint key); - -static inline void LockUIntMapRead(UIntMap *map) -{ ReadLock(&map->lock); } -static inline void UnlockUIntMapRead(UIntMap *map) -{ ReadUnlock(&map->lock); } -static inline void LockUIntMapWrite(UIntMap *map) -{ WriteLock(&map->lock); } -static inline void UnlockUIntMapWrite(UIntMap *map) -{ WriteUnlock(&map->lock); } - - #ifdef __cplusplus extern "C" { #endif |