| Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 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 amd64,dragonfly |
| 6 | |
| 7 | package unix |
| 8 | |
| 9 | import ( |
| 10 | "syscall" |
| 11 | "unsafe" |
| 12 | ) |
| 13 | |
| 14 | func setTimespec(sec, nsec int64) Timespec { |
| 15 | return Timespec{Sec: sec, Nsec: nsec} |
| 16 | } |
| 17 | |
| 18 | func setTimeval(sec, usec int64) Timeval { |
| 19 | return Timeval{Sec: sec, Usec: usec} |
| 20 | } |
| 21 | |
| 22 | func SetKevent(k *Kevent_t, fd, mode, flags int) { |
| 23 | k.Ident = uint64(fd) |
| 24 | k.Filter = int16(mode) |
| 25 | k.Flags = uint16(flags) |
| 26 | } |
| 27 | |
| 28 | func (iov *Iovec) SetLen(length int) { |
| 29 | iov.Len = uint64(length) |
| 30 | } |
| 31 | |
| 32 | func (msghdr *Msghdr) SetControllen(length int) { |
| 33 | msghdr.Controllen = uint32(length) |
| 34 | } |
| 35 | |
| Don Newton | 7577f07 | 2020-01-06 12:41:11 -0500 | [diff] [blame^] | 36 | func (msghdr *Msghdr) SetIovlen(length int) { |
| 37 | msghdr.Iovlen = int32(length) |
| 38 | } |
| 39 | |
| Don Newton | 98fd881 | 2019-09-23 15:15:02 -0400 | [diff] [blame] | 40 | func (cmsg *Cmsghdr) SetLen(length int) { |
| 41 | cmsg.Len = uint32(length) |
| 42 | } |
| 43 | |
| 44 | func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { |
| 45 | var writtenOut uint64 = 0 |
| 46 | _, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0, 0) |
| 47 | |
| 48 | written = int(writtenOut) |
| 49 | |
| 50 | if e1 != 0 { |
| 51 | err = e1 |
| 52 | } |
| 53 | return |
| 54 | } |
| 55 | |
| 56 | func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) |