mirror of
https://gitea.com/Sirherobrine23/tea.git
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Co-authored-by: Norwin Roosen <git@nroo.de> Co-authored-by: Norwin <git@nroo.de> Reviewed-on: https://gitea.com/gitea/tea/pulls/390 Reviewed-by: 6543 <6543@obermui.de> Reviewed-by: Andrew Thornton <art27@cantab.net> Co-authored-by: Norwin <noerw@noreply.gitea.io> Co-committed-by: Norwin <noerw@noreply.gitea.io>
179 lines
4.0 KiB
Go
179 lines
4.0 KiB
Go
// Copyright 2021 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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"fmt"
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"runtime"
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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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func IoctlSetIntRetInt(fd int, req uint, arg int) (int, error) {
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return ioctlRet(fd, req, uintptr(arg))
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}
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func IoctlSetString(fd int, req uint, val string) error {
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bs := make([]byte, len(val)+1)
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copy(bs[:len(bs)-1], val)
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err := ioctl(fd, req, uintptr(unsafe.Pointer(&bs[0])))
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runtime.KeepAlive(&bs[0])
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return err
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}
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// Lifreq Helpers
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func (l *Lifreq) SetName(name string) error {
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if len(name) >= len(l.Name) {
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return fmt.Errorf("name cannot be more than %d characters", len(l.Name)-1)
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}
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for i := range name {
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l.Name[i] = int8(name[i])
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}
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return nil
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}
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func (l *Lifreq) SetLifruInt(d int) {
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*(*int)(unsafe.Pointer(&l.Lifru[0])) = d
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}
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func (l *Lifreq) GetLifruInt() int {
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return *(*int)(unsafe.Pointer(&l.Lifru[0]))
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}
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func IoctlLifreq(fd int, req uint, l *Lifreq) error {
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return ioctl(fd, req, uintptr(unsafe.Pointer(l)))
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}
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// Strioctl Helpers
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func (s *Strioctl) SetInt(i int) {
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s.Len = int32(unsafe.Sizeof(i))
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s.Dp = (*int8)(unsafe.Pointer(&i))
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}
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func IoctlSetStrioctlRetInt(fd int, req uint, s *Strioctl) (int, error) {
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return ioctlRet(fd, req, uintptr(unsafe.Pointer(s)))
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}
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