130 lines
2.9 KiB
Go
130 lines
2.9 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// illumos system calls not present on Solaris.
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//go:build amd64 && illumos
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// +build amd64,illumos
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package unix
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import (
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"unsafe"
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)
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func bytes2iovec(bs [][]byte) []Iovec {
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iovecs := make([]Iovec, len(bs))
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for i, b := range bs {
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iovecs[i].SetLen(len(b))
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if len(b) > 0 {
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// somehow Iovec.Base on illumos is (*int8), not (*byte)
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iovecs[i].Base = (*int8)(unsafe.Pointer(&b[0]))
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} else {
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iovecs[i].Base = (*int8)(unsafe.Pointer(&_zero))
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}
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}
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return iovecs
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}
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//sys readv(fd int, iovs []Iovec) (n int, err error)
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func Readv(fd int, iovs [][]byte) (n int, err error) {
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iovecs := bytes2iovec(iovs)
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n, err = readv(fd, iovecs)
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return n, err
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}
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//sys preadv(fd int, iovs []Iovec, off int64) (n int, err error)
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func Preadv(fd int, iovs [][]byte, off int64) (n int, err error) {
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iovecs := bytes2iovec(iovs)
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n, err = preadv(fd, iovecs, off)
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return n, err
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}
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//sys writev(fd int, iovs []Iovec) (n int, err error)
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func Writev(fd int, iovs [][]byte) (n int, err error) {
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iovecs := bytes2iovec(iovs)
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n, err = writev(fd, iovecs)
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return n, err
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}
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//sys pwritev(fd int, iovs []Iovec, off int64) (n int, err error)
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func Pwritev(fd int, iovs [][]byte, off int64) (n int, err error) {
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iovecs := bytes2iovec(iovs)
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n, err = pwritev(fd, iovecs, off)
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return n, err
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}
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//sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) = libsocket.accept4
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func Accept4(fd int, flags int) (nfd int, sa Sockaddr, err error) {
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var rsa RawSockaddrAny
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var len _Socklen = SizeofSockaddrAny
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nfd, err = accept4(fd, &rsa, &len, flags)
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if err != nil {
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return
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}
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if len > SizeofSockaddrAny {
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panic("RawSockaddrAny too small")
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}
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sa, err = anyToSockaddr(fd, &rsa)
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if err != nil {
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Close(nfd)
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nfd = 0
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}
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return
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}
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//sys putmsg(fd int, clptr *strbuf, dataptr *strbuf, flags int) (err error)
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func Putmsg(fd int, cl []byte, data []byte, flags int) (err error) {
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var clp, datap *strbuf
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if len(cl) > 0 {
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clp = &strbuf{
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Len: int32(len(cl)),
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Buf: (*int8)(unsafe.Pointer(&cl[0])),
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}
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}
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if len(data) > 0 {
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datap = &strbuf{
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Len: int32(len(data)),
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Buf: (*int8)(unsafe.Pointer(&data[0])),
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}
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}
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return putmsg(fd, clp, datap, flags)
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}
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//sys getmsg(fd int, clptr *strbuf, dataptr *strbuf, flags *int) (err error)
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func Getmsg(fd int, cl []byte, data []byte) (retCl []byte, retData []byte, flags int, err error) {
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var clp, datap *strbuf
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if len(cl) > 0 {
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clp = &strbuf{
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Maxlen: int32(len(cl)),
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Buf: (*int8)(unsafe.Pointer(&cl[0])),
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}
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}
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if len(data) > 0 {
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datap = &strbuf{
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Maxlen: int32(len(data)),
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Buf: (*int8)(unsafe.Pointer(&data[0])),
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}
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}
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if err = getmsg(fd, clp, datap, &flags); err != nil {
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return nil, nil, 0, err
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}
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if len(cl) > 0 {
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retCl = cl[:clp.Len]
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}
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if len(data) > 0 {
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retData = data[:datap.Len]
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}
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return retCl, retData, flags, nil
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}
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