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