aboutsummaryrefslogtreecommitdiff
path: root/src/cmd/vendor/golang.org/x/sys/unix/syscall_illumos.go
blob: 99e62dcd828a245f31d26864fa996c6eba44b13a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// illumos system calls not present on Solaris.

// +build amd64,illumos

package unix

import "unsafe"

func bytes2iovec(bs [][]byte) []Iovec {
	iovecs := make([]Iovec, len(bs))
	for i, b := range bs {
		iovecs[i].SetLen(len(b))
		if len(b) > 0 {
			// somehow Iovec.Base on illumos is (*int8), not (*byte)
			iovecs[i].Base = (*int8)(unsafe.Pointer(&b[0]))
		} else {
			iovecs[i].Base = (*int8)(unsafe.Pointer(&_zero))
		}
	}
	return iovecs
}

//sys   readv(fd int, iovs []Iovec) (n int, err error)

func Readv(fd int, iovs [][]byte) (n int, err error) {
	iovecs := bytes2iovec(iovs)
	n, err = readv(fd, iovecs)
	return n, err
}

//sys   preadv(fd int, iovs []Iovec, off int64) (n int, err error)

func Preadv(fd int, iovs [][]byte, off int64) (n int, err error) {
	iovecs := bytes2iovec(iovs)
	n, err = preadv(fd, iovecs, off)
	return n, err
}

//sys   writev(fd int, iovs []Iovec) (n int, err error)

func Writev(fd int, iovs [][]byte) (n int, err error) {
	iovecs := bytes2iovec(iovs)
	n, err = writev(fd, iovecs)
	return n, err
}

//sys   pwritev(fd int, iovs []Iovec, off int64) (n int, err error)

func Pwritev(fd int, iovs [][]byte, off int64) (n int, err error) {
	iovecs := bytes2iovec(iovs)
	n, err = pwritev(fd, iovecs, off)
	return n, err
}