common/uintmap.h

   1 #ifndef AL_UINTMAP_H
   2 #define AL_UINTMAP_H
   3
   4 #include "AL/al.h"
   5 #include "rwlock.h"
   6
   7 #ifdef __cplusplus
   8 extern "C" {
   9 #endif
  10
  11 typedef struct UIntMap {
  12     ALuint *keys;
  13     /* Shares memory with keys. */
  14     ALvoid **values;
  15
  16     ALsizei size;
  17     ALsizei capacity;
  18     ALsizei limit;
  19     RWLock lock;
  20 } UIntMap;
  21 #define UINTMAP_STATIC_INITIALIZE_N(_n) { NULL, NULL, 0, 0, (_n), RWLOCK_STATIC_INITIALIZE }
  22 #define UINTMAP_STATIC_INITIALIZE UINTMAP_STATIC_INITIALIZE_N(INT_MAX)
  23
  24 void InitUIntMap(UIntMap *map, ALsizei limit);
  25 void ResetUIntMap(UIntMap *map);
  26 void RelimitUIntMapNoLock(UIntMap *map, ALsizei limit);
  27 ALenum InsertUIntMapEntry(UIntMap *map, ALuint key, ALvoid *value);
  28 ALenum InsertUIntMapEntryNoLock(UIntMap *map, ALuint key, ALvoid *value);
  29 ALvoid *RemoveUIntMapKey(UIntMap *map, ALuint key);
  30 ALvoid *RemoveUIntMapKeyNoLock(UIntMap *map, ALuint key);
  31 ALvoid *LookupUIntMapKey(UIntMap *map, ALuint key);
  32 ALvoid *LookupUIntMapKeyNoLock(UIntMap *map, ALuint key);
  33
  34 inline void LockUIntMapRead(UIntMap *map)
  35 { ReadLock(&map->lock); }
  36 inline void UnlockUIntMapRead(UIntMap *map)
  37 { ReadUnlock(&map->lock); }
  38 inline void LockUIntMapWrite(UIntMap *map)
  39 { WriteLock(&map->lock); }
  40 inline void UnlockUIntMapWrite(UIntMap *map)
  41 { WriteUnlock(&map->lock); }
  42
  43 #ifdef __cplusplus
  44 }
  45 #endif
  46
  47 #endif /* AL_UINTMAP_H */