Method FreeSectionReader

internal/stream/util.go:180–180

线程安全

(sr io.ReadSeeker)

	GetSectionReader(off, length int64) (io.ReadSeeker, error)
	// 线程安全
	FreeSectionReader(sr io.ReadSeeker)
	// 线程不安全
	DiscardSection(off int64, length int64) error
}