github.com/shogo82148/std@v1.22.1-0.20240327122250-4e474527810c/internal/poll/copy_file_range_linux.go (about) 1 // Copyright 2020 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 package poll 6 7 // CopyFileRange copies at most remain bytes of data from src to dst, using 8 // the copy_file_range system call. dst and src must refer to regular files. 9 func CopyFileRange(dst, src *FD, remain int64) (written int64, handled bool, err error)