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unix: add Getmsg and Putmsg on illumos

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Change-Id: Id1f2a2797e56a45584f70ee5e9202647a595a031
Reviewed-on: https://go-review.googlesource.com/c/sys/+/302830
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Trust: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Nahum Shalman
2021-03-16 16:47:47 +00:00
committed by Tobias Klauser
parent 193893d61a
commit 635bc2c913
2 changed files with 79 additions and 2 deletions
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53
unix/syscall_illumos.go
View File

@@ -9,7 +9,9 @@
package unix
import "unsafe"
import (
"unsafe"
)
func bytes2iovec(bs [][]byte) []Iovec {
iovecs := make([]Iovec, len(bs))
@@ -76,3 +78,52 @@ func Accept4(fd int, flags int) (nfd int, sa Sockaddr, err error) {
}
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
}

28
unix/zsyscall_illumos_amd64.go
View File

@@ -15,19 +15,25 @@ import (
//go:cgo_import_dynamic libc_writev writev "libc.so"
//go:cgo_import_dynamic libc_pwritev pwritev "libc.so"
//go:cgo_import_dynamic libc_accept4 accept4 "libsocket.so"
//go:cgo_import_dynamic libc_putmsg putmsg "libc.so"
//go:cgo_import_dynamic libc_getmsg getmsg "libc.so"
//go:linkname procreadv libc_readv
//go:linkname procpreadv libc_preadv
//go:linkname procwritev libc_writev
//go:linkname procpwritev libc_pwritev
//go:linkname procaccept4 libc_accept4
//go:linkname procputmsg libc_putmsg
//go:linkname procgetmsg libc_getmsg
var (
procreadv,
procpreadv,
procwritev,
procpwritev,
procaccept4 syscallFunc
procaccept4,
procputmsg,
procgetmsg syscallFunc
)
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
@@ -100,3 +106,23 @@ func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int,
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func putmsg(fd int, clptr *strbuf, dataptr *strbuf, flags int) (err error) {
_, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procputmsg)), 4, uintptr(fd), uintptr(unsafe.Pointer(clptr)), uintptr(unsafe.Pointer(dataptr)), uintptr(flags), 0, 0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func getmsg(fd int, clptr *strbuf, dataptr *strbuf, flags *int) (err error) {
_, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procgetmsg)), 4, uintptr(fd), uintptr(unsafe.Pointer(clptr)), uintptr(unsafe.Pointer(dataptr)), uintptr(unsafe.Pointer(flags)), 0, 0)
if e1 != 0 {
err = e1
}
return
}