1// Copyright 2009 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// +build 386,darwin
 6
 7package unix
 8
 9import (
10	"syscall"
11	"unsafe"
12)
13
14func setTimespec(sec, nsec int64) Timespec {
15	return Timespec{Sec: int32(sec), Nsec: int32(nsec)}
16}
17
18func setTimeval(sec, usec int64) Timeval {
19	return Timeval{Sec: int32(sec), Usec: int32(usec)}
20}
21
22//sysnb	gettimeofday(tp *Timeval) (sec int32, usec int32, err error)
23func Gettimeofday(tv *Timeval) (err error) {
24	// The tv passed to gettimeofday must be non-nil
25	// but is otherwise unused. The answers come back
26	// in the two registers.
27	sec, usec, err := gettimeofday(tv)
28	tv.Sec = int32(sec)
29	tv.Usec = int32(usec)
30	return err
31}
32
33func SetKevent(k *Kevent_t, fd, mode, flags int) {
34	k.Ident = uint32(fd)
35	k.Filter = int16(mode)
36	k.Flags = uint16(flags)
37}
38
39func (iov *Iovec) SetLen(length int) {
40	iov.Len = uint32(length)
41}
42
43func (msghdr *Msghdr) SetControllen(length int) {
44	msghdr.Controllen = uint32(length)
45}
46
47func (cmsg *Cmsghdr) SetLen(length int) {
48	cmsg.Len = uint32(length)
49}
50
51func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
52	var length = uint64(count)
53
54	_, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(*offset>>32), uintptr(unsafe.Pointer(&length)), 0, 0, 0, 0)
55
56	written = int(length)
57
58	if e1 != 0 {
59		err = e1
60	}
61	return
62}
63
64func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
65
66// SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
67// of darwin/386 the syscall is called sysctl instead of __sysctl.
68const SYS___SYSCTL = SYS_SYSCTL