130 lines
2.9 KiB
Go
130 lines
2.9 KiB
Go
|
// 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.
|
||
|
|
|
||
|
|
//go:build amd64 && illumos
|
||
|
|
// +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
|
||
|
|
}
|
||
|
|
|
||
|
|
//sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) = libsocket.accept4
|
||
|
|
|
||
|
|
func Accept4(fd int, flags int) (nfd int, sa Sockaddr, err error) {
|
||
|
|
var rsa RawSockaddrAny
|
||
|
|
var len _Socklen = SizeofSockaddrAny
|
||
|
|
nfd, err = accept4(fd, &rsa, &len, flags)
|
||
|
|
if err != nil {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
if len > SizeofSockaddrAny {
|
||
|
|
panic("RawSockaddrAny too small")
|
||
|
|
}
|
||
|
|
sa, err = anyToSockaddr(fd, &rsa)
|
||
|
|
if err != nil {
|
||
|
|
Close(nfd)
|
||
|
|
nfd = 0
|
||
|
|
}
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
//sys putmsg(fd int, clptr *strbuf, dataptr *strbuf, flags int) (err error)
|
||
|
|
|
||
|
|
func Putmsg(fd int, cl []byte, data []byte, flags int) (err error) {
|
||
|
|
var clp, datap *strbuf
|
||
|
|
if len(cl) > 0 {
|
||
|
|
clp = &strbuf{
|
||
|
|
Len: int32(len(cl)),
|
||
|
|
Buf: (*int8)(unsafe.Pointer(&cl[0])),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if len(data) > 0 {
|
||
|
|
datap = &strbuf{
|
||
|
|
Len: int32(len(data)),
|
||
|
|
Buf: (*int8)(unsafe.Pointer(&data[0])),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return putmsg(fd, clp, datap, flags)
|
||
|
|
}
|
||
|
|
|
||
|
|
//sys getmsg(fd int, clptr *strbuf, dataptr *strbuf, flags *int) (err error)
|
||
|
|
|
||
|
|
func Getmsg(fd int, cl []byte, data []byte) (retCl []byte, retData []byte, flags int, err error) {
|
||
|
|
var clp, datap *strbuf
|
||
|
|
if len(cl) > 0 {
|
||
|
|
clp = &strbuf{
|
||
|
|
Maxlen: int32(len(cl)),
|
||
|
|
Buf: (*int8)(unsafe.Pointer(&cl[0])),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if len(data) > 0 {
|
||
|
|
datap = &strbuf{
|
||
|
|
Maxlen: int32(len(data)),
|
||
|
|
Buf: (*int8)(unsafe.Pointer(&data[0])),
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if err = getmsg(fd, clp, datap, &flags); err != nil {
|
||
|
|
return nil, nil, 0, err
|
||
|
|
}
|
||
|
|
|
||
|
|
if len(cl) > 0 {
|
||
|
|
retCl = cl[:clp.Len]
|
||
|
|
}
|
||
|
|
if len(data) > 0 {
|
||
|
|
retData = data[:datap.Len]
|
||
|
|
}
|
||
|
|
return retCl, retData, flags, nil
|
||
|
|
}
|