Function hb_buffer_pool_init

libhb/fifo.c:101–135

#endif

void hb_buffer_pool_init( void )
{
    buffers.lock = hb_lock_init();
    buffers.allocated = 0;

#if defined(HB_BUFFER_DEBUG)
    buffers.alloc_list = hb_list_init();
#endif

#if !defined(HB_NO_BUFFER_POOL)
    /* we allocate pools for sizes 2^10 through 2^25. requests larger than
     * 2^25 will get passed through to malloc. */
    int i;

    // Create a queue with empty buffers for non native storage types
    buffers.pool[0] = hb_fifo_init(BUFFER_POOL_MAX_ELEMENTS*10, 1);
    buffers.pool[0]->buffer_size = 0;

    // Create larger queue for 2^10 bucket since all allocations smaller than
    // 2^10 come from here.
    buffers.pool[BUFFER_POOL_FIRST] = hb_fifo_init(BUFFER_POOL_MAX_ELEMENTS*10, 1);
    buffers.pool[BUFFER_POOL_FIRST]->buffer_size = 1 << 10;

    /* requests smaller than 2^10 are satisfied from the 2^10 pool. */
    for ( i = 1; i < BUFFER_POOL_FIRST; ++i )
    {
        buffers.pool[i] = buffers.pool[BUFFER_POOL_FIRST];
    }
    for ( i = BUFFER_POOL_FIRST + 1; i <= BUFFER_POOL_LAST; ++i )
    {
        buffers.pool[i] = hb_fifo_init(BUFFER_POOL_MAX_ELEMENTS, 1);
        buffers.pool[i]->buffer_size = 1 << i;
    }
#endif
}

#if defined(HB_FIFO_DEBUG)