C++ (Cpp) GWEN_MemCacheEntry_IdMap_GetNext 예제들

예제 #1

파일: memcache.c 프로젝트: Zauberstuhl/gwenhywfar

void GWEN_MemCache_PurgeEntries(GWEN_MEMCACHE *mc,
                                uint32_t id, uint32_t mask) {
  GWEN_IDMAP_RESULT res;
  uint32_t currentId;

  assert(mc);
  GWEN_MemCache_Lock(mc);

  res=GWEN_MemCacheEntry_IdMap_GetFirst(mc->idMap, &currentId);
  while(res==GWEN_IdMapResult_Ok) {
    uint32_t nextId;

    nextId=currentId;
    res=GWEN_MemCacheEntry_IdMap_GetNext(mc->idMap, &nextId);
    if ((currentId & mask)==id) {
      GWEN_MEMCACHE_ENTRY *me;

      me=GWEN_MemCacheEntry_IdMap_Find(mc->idMap, currentId);
      if (me) {
        me->isValid=0;
        GWEN_MemCacheEntry_IdMap_Remove(mc->idMap, currentId);
        if (me->useCounter==0)
          GWEN_MemCacheEntry_free(me);
      }

    }
    currentId=nextId;
  }

  GWEN_MemCache_Unlock(mc);
}

예제 #2

파일: memcache.c 프로젝트: cstim/gwenhywfar

int GWEN_MemCache__MakeRoom(GWEN_MEMCACHE *mc,
                            size_t neededSize)
{
  assert(mc);

  /* release unused entries until there is enough memory */
  while (neededSize) {
    GWEN_MEMCACHE_ENTRY *oldestEntry;
    GWEN_IDMAP_RESULT res;
    uint32_t currentId;

    /* get oldest entry */
    oldestEntry=NULL;
    res=GWEN_MemCacheEntry_IdMap_GetFirst(mc->idMap, &currentId);
    while (res==GWEN_IdMapResult_Ok) {
      GWEN_MEMCACHE_ENTRY *me;

      me=GWEN_MemCacheEntry_IdMap_Find(mc->idMap, currentId);
      if (me) {
        if (me->isValid && me->useCounter==0) {
          if (oldestEntry==NULL)
            oldestEntry=me;
          else {
            if (me->unusedSince<oldestEntry->unusedSince)
              oldestEntry=me;
          }
        }
      }
      res=GWEN_MemCacheEntry_IdMap_GetNext(mc->idMap, &currentId);
    }

    if (oldestEntry==NULL)
      /* no unused entry found */
      break;

    /* subtract size of to-be-removed entry from needed size */
    if (neededSize<oldestEntry->dataLen)
      neededSize=0;
    else
      neededSize-=oldestEntry->dataLen;

    /* remove oldest entry (it is unused, so we also delete it here) */
    GWEN_MemCacheEntry_IdMap_Remove(mc->idMap, oldestEntry->id);
    GWEN_MemCacheEntry_free(oldestEntry);
  }

  return (neededSize==0)?0:GWEN_ERROR_MEMORY_FULL;
}