diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_illumos.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_illumos.go | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_illumos.go b/vendor/golang.org/x/sys/unix/syscall_illumos.go new file mode 100644 index 0000000..8d5f294 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/syscall_illumos.go @@ -0,0 +1,186 @@ +// Copyright 2021 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 ( + "fmt" + "runtime" + "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 +} + +func IoctlSetIntRetInt(fd int, req uint, arg int) (int, error) { + return ioctlRet(fd, req, uintptr(arg)) +} + +func IoctlSetString(fd int, req uint, val string) error { + bs := make([]byte, len(val)+1) + copy(bs[:len(bs)-1], val) + err := ioctl(fd, req, uintptr(unsafe.Pointer(&bs[0]))) + runtime.KeepAlive(&bs[0]) + return err +} + +// Lifreq Helpers + +func (l *Lifreq) SetName(name string) error { + if len(name) >= len(l.Name) { + return fmt.Errorf("name cannot be more than %d characters", len(l.Name)-1) + } + for i := range name { + l.Name[i] = int8(name[i]) + } + return nil +} + +func (l *Lifreq) SetLifruInt(d int) { + *(*int)(unsafe.Pointer(&l.Lifru[0])) = d +} + +func (l *Lifreq) GetLifruInt() int { + return *(*int)(unsafe.Pointer(&l.Lifru[0])) +} + +func (l *Lifreq) SetLifruUint(d uint) { + *(*uint)(unsafe.Pointer(&l.Lifru[0])) = d +} + +func (l *Lifreq) GetLifruUint() uint { + return *(*uint)(unsafe.Pointer(&l.Lifru[0])) +} + +func IoctlLifreq(fd int, req uint, l *Lifreq) error { + return ioctl(fd, req, uintptr(unsafe.Pointer(l))) +} + +// Strioctl Helpers + +func (s *Strioctl) SetInt(i int) { + s.Len = int32(unsafe.Sizeof(i)) + s.Dp = (*int8)(unsafe.Pointer(&i)) +} + +func IoctlSetStrioctlRetInt(fd int, req uint, s *Strioctl) (int, error) { + return ioctlRet(fd, req, uintptr(unsafe.Pointer(s))) +} |