diff options
Diffstat (limited to 'vendor/github.com/vmihailenco/bufpool/buf_pool.go')
-rw-r--r-- | vendor/github.com/vmihailenco/bufpool/buf_pool.go | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/vendor/github.com/vmihailenco/bufpool/buf_pool.go b/vendor/github.com/vmihailenco/bufpool/buf_pool.go deleted file mode 100644 index 2daa69888..000000000 --- a/vendor/github.com/vmihailenco/bufpool/buf_pool.go +++ /dev/null @@ -1,67 +0,0 @@ -package bufpool - -import ( - "log" - "sync" -) - -var thePool bufPool - -// Get retrieves a buffer of the appropriate length from the buffer pool or -// allocates a new one. Get may choose to ignore the pool and treat it as empty. -// Callers should not assume any relation between values passed to Put and the -// values returned by Get. -// -// If no suitable buffer exists in the pool, Get creates one. -func Get(length int) *Buffer { - return thePool.Get(length) -} - -// Put returns a buffer to the buffer pool. -func Put(buf *Buffer) { - thePool.Put(buf) -} - -type bufPool struct { - pools [steps]sync.Pool -} - -func (p *bufPool) Get(length int) *Buffer { - if length > maxPoolSize { - return NewBuffer(make([]byte, length)) - } - - idx := index(length) - if bufIface := p.pools[idx].Get(); bufIface != nil { - buf := bufIface.(*Buffer) - unlock(buf) - if length > buf.Cap() { - log.Println(idx, buf.Len(), buf.Cap(), buf.String()) - } - buf.buf = buf.buf[:length] - return buf - } - - b := make([]byte, length, indexSize(idx)) - return NewBuffer(b) -} - -func (p *bufPool) Put(buf *Buffer) { - length := buf.Cap() - if length > maxPoolSize || length < minSize { - return // drop it - } - - idx := prevIndex(length) - lock(buf) - p.pools[idx].Put(buf) -} - -func lock(buf *Buffer) { - buf.buf = buf.buf[:cap(buf.buf)] - buf.off = cap(buf.buf) + 1 -} - -func unlock(buf *Buffer) { - buf.off = 0 -} |