blob: 9a4b2d65825fe985c8a59b56f03f7fb86eb53461 [file] [log] [blame]
// 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.
// +build darwin dragonfly freebsd netbsd openbsd solaris
// BSD library calls.
package syscall
import (
"internal/race"
"unsafe"
)
//sys sendfile(outfd int, infd int, offset *Offset_t, count int) (written int, err error)
//sendfile(outfd _C_int, infd _C_int, offset *Offset_t, count Size_t) Ssize_t
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
}