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.
5 // +build amd64,dragonfly
14 func Getpagesize() int { return 4096 }
16 func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
18 func NsecToTimespec(nsec int64) (ts Timespec) {
24 func NsecToTimeval(nsec int64) (tv Timeval) {
25 nsec += 999 // round up to microsecond
26 tv.Usec = nsec % 1e9 / 1e3
27 tv.Sec = int64(nsec / 1e9)
31 func SetKevent(k *Kevent_t, fd, mode, flags int) {
33 k.Filter = int16(mode)
34 k.Flags = uint16(flags)
37 func (iov *Iovec) SetLen(length int) {
38 iov.Len = uint64(length)
41 func (msghdr *Msghdr) SetControllen(length int) {
42 msghdr.Controllen = uint32(length)
45 func (cmsg *Cmsghdr) SetLen(length int) {
46 cmsg.Len = uint32(length)
49 func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
50 var writtenOut uint64 = 0
51 _, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0, 0)
53 written = int(writtenOut)
61 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)