/**
* Releases a temporary buffer by returning to the cache or freeing it. If returning to the cache
* then insert it at the end. This makes it suitable for scatter/gather operations where the
* buffers are returned to cache in same order that they were obtained.
*/
static void offerLastTemporaryDirectBuffer(ByteBuffer buf) {
// If the buffer is too large for the cache we don't have to
// check the cache. We'll just free it.
if (isBufferTooLarge(buf)) {
free(buf);
return;
}
assert buf != null;
BufferCache cache = bufferCache.get();
if (!cache.offerLast(buf)) {
// cache is full
free(buf);
}
}
