1// Copyright 2012 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
5package syscall
6
7import "unsafe"
8
9func setTimespec(sec, nsec int64) Timespec {
10	return Timespec{Sec: sec, Nsec: int32(nsec)}
11}
12
13func setTimeval(sec, usec int64) Timeval {
14	return Timeval{Sec: sec, Usec: int32(usec)}
15}
16
17func SetKevent(k *Kevent_t, fd, mode, flags int) {
18	k.Ident = uint32(fd)
19	k.Filter = int16(mode)
20	k.Flags = uint16(flags)
21}
22
23func (iov *Iovec) SetLen(length int) {
24	iov.Len = uint32(length)
25}
26
27func (msghdr *Msghdr) SetControllen(length int) {
28	msghdr.Controllen = uint32(length)
29}
30
31func (cmsg *Cmsghdr) SetLen(length int) {
32	cmsg.Len = uint32(length)
33}
34
35func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
36	var writtenOut uint64 = 0
37	_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr((*offset)>>32), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0)
38
39	written = int(writtenOut)
40
41	if e1 != 0 {
42		err = e1
43	}
44	return
45}
46
47func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) // sic
48