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9b12e4fe JC |
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 | ||
5 | // +build arm,freebsd | |
6 | ||
7 | package unix | |
8 | ||
9 | import ( | |
10 | "syscall" | |
11 | "unsafe" | |
12 | ) | |
13 | ||
14 | func Getpagesize() int { return 4096 } | |
15 | ||
16 | func TimespecToNsec(ts Timespec) int64 { return ts.Sec*1e9 + int64(ts.Nsec) } | |
17 | ||
18 | func NsecToTimespec(nsec int64) (ts Timespec) { | |
19 | ts.Sec = nsec / 1e9 | |
20 | ts.Nsec = int32(nsec % 1e9) | |
21 | return | |
22 | } | |
23 | ||
24 | func TimevalToNsec(tv Timeval) int64 { return tv.Sec*1e9 + int64(tv.Usec)*1e3 } | |
25 | ||
26 | func NsecToTimeval(nsec int64) (tv Timeval) { | |
27 | nsec += 999 // round up to microsecond | |
28 | tv.Usec = int32(nsec % 1e9 / 1e3) | |
29 | tv.Sec = nsec / 1e9 | |
30 | return | |
31 | } | |
32 | ||
33 | func 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 | ||
39 | func (iov *Iovec) SetLen(length int) { | |
40 | iov.Len = uint32(length) | |
41 | } | |
42 | ||
43 | func (msghdr *Msghdr) SetControllen(length int) { | |
44 | msghdr.Controllen = uint32(length) | |
45 | } | |
46 | ||
47 | func (cmsg *Cmsghdr) SetLen(length int) { | |
48 | cmsg.Len = uint32(length) | |
49 | } | |
50 | ||
51 | func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { | |
52 | var writtenOut uint64 = 0 | |
53 | _, _, e1 := Syscall9(SYS_SENDFILE, uintptr(infd), uintptr(outfd), uintptr(*offset), uintptr((*offset)>>32), uintptr(count), 0, uintptr(unsafe.Pointer(&writtenOut)), 0, 0) | |
54 | ||
55 | written = int(writtenOut) | |
56 | ||
57 | if e1 != 0 { | |
58 | err = e1 | |
59 | } | |
60 | return | |
61 | } | |
62 | ||
63 | func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) |