common/uintmap.h

   1 #ifndef AL_UINTMAP_H
   2 #define AL_UINTMAP_H
   3
   4 #include <limits.h>
   5
   6 #include "AL/al.h"
   7 #include "rwlock.h"
   8
   9 #ifdef __cplusplus
  10 extern "C" {
  11 #endif
  12
  13 typedef struct UIntMap {
  14     ALuint *keys;
  15     /* Shares memory with keys. */
  16     ALvoid **values;
  17
  18     ALsizei size;
  19     ALsizei capacity;
  20     ALsizei limit;
  21     RWLock lock;
  22 } UIntMap;
  23 #define UINTMAP_STATIC_INITIALIZE_N(_n) { NULL, NULL, 0, 0, (_n), RWLOCK_STATIC_INITIALIZE }
  24 #define UINTMAP_STATIC_INITIALIZE UINTMAP_STATIC_INITIALIZE_N(INT_MAX)
  25
  26 void InitUIntMap(UIntMap *map, ALsizei limit);
  27 void ResetUIntMap(UIntMap *map);
  28 void RelimitUIntMapNoLock(UIntMap *map, ALsizei limit);
  29 ALenum InsertUIntMapEntry(UIntMap *map, ALuint key, ALvoid *value);
  30 ALenum InsertUIntMapEntryNoLock(UIntMap *map, ALuint key, ALvoid *value);
  31 ALvoid *RemoveUIntMapKey(UIntMap *map, ALuint key);
  32 ALvoid *RemoveUIntMapKeyNoLock(UIntMap *map, ALuint key);
  33 ALvoid *LookupUIntMapKey(UIntMap *map, ALuint key);
  34 ALvoid *LookupUIntMapKeyNoLock(UIntMap *map, ALuint key);
  35
  36 inline void LockUIntMapRead(UIntMap *map)
  37 { ReadLock(&map->lock); }
  38 inline void UnlockUIntMapRead(UIntMap *map)
  39 { ReadUnlock(&map->lock); }
  40 inline void LockUIntMapWrite(UIntMap *map)
  41 { WriteLock(&map->lock); }
  42 inline void UnlockUIntMapWrite(UIntMap *map)
  43 { WriteUnlock(&map->lock); }
  44
  45 #ifdef __cplusplus
  46 }
  47 #endif
  48
  49 #endif /* AL_UINTMAP_H */