| // Copyright 2015 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| //go:build darwin || dragonfly || freebsd || openbsd || solaris |
| // +build darwin dragonfly freebsd openbsd solaris |
| |
| // BSD sendfile support. |
| |
| package syscall |
| |
| import ( |
| "internal/race" |
| "unsafe" |
| ) |
| |
| func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { |
| if race.Enabled { |
| race.ReleaseMerge(unsafe.Pointer(&ioSync)) |
| } |
| var soff Offset_t |
| var psoff *Offset_t |
| if offset != nil { |
| soff = Offset_t(*offset) |
| psoff = &soff |
| } |
| written, err = sendfile(outfd, infd, psoff, count) |
| if offset != nil { |
| *offset = int64(soff) |
| } |
| return |
| } |