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unix: add Accept4 on illumos

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Wrap the accept syscall which is available on illumos.

Also use tabs instead of spaces in the //sys comments in
syscall_illumos.go

Change-Id: Ic7fbfe29b44c6a168b9be4d4679a6321cc891bf1
Reviewed-on: https://go-review.googlesource.com/c/sys/+/254717
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matt Layher <mdlayher@gmail.com>
Trust: Tobias Klauser <tobias.klauser@gmail.com>
This commit is contained in:
Tobias Klauser
2020-09-14 15:46:41 +02:00
committed by Tobias Klauser
parent eff7692f90
commit 6d893a6b69
2 changed files with 39 additions and 5 deletions
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28
unix/syscall_illumos.go
View File

@@ -24,7 +24,7 @@ func bytes2iovec(bs [][]byte) []Iovec {
return iovecs
}
//sys readv(fd int, iovs []Iovec) (n int, err error)
//sys readv(fd int, iovs []Iovec) (n int, err error)
func Readv(fd int, iovs [][]byte) (n int, err error) {
iovecs := bytes2iovec(iovs)
@@ -32,7 +32,7 @@ func Readv(fd int, iovs [][]byte) (n int, err error) {
return n, err
}
//sys preadv(fd int, iovs []Iovec, off int64) (n int, err error)
//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)
@@ -40,7 +40,7 @@ func Preadv(fd int, iovs [][]byte, off int64) (n int, err error) {
return n, err
}
//sys writev(fd int, iovs []Iovec) (n int, err error)
//sys writev(fd int, iovs []Iovec) (n int, err error)
func Writev(fd int, iovs [][]byte) (n int, err error) {
iovecs := bytes2iovec(iovs)
@@ -48,10 +48,30 @@ func Writev(fd int, iovs [][]byte) (n int, err error) {
return n, err
}
//sys pwritev(fd int, iovs []Iovec, off int64) (n int, err error)
//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)
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
}

16
unix/zsyscall_illumos_amd64.go
View File

@@ -13,17 +13,20 @@ import (
//go:cgo_import_dynamic libc_preadv preadv "libc.so"
//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 "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
var (
procreadv,
procpreadv,
procwritev,
procpwritev syscallFunc
procpwritev,
procaccept4 syscallFunc
)
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
@@ -85,3 +88,14 @@ func pwritev(fd int, iovs []Iovec, off int64) (n int, err error) {
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) {
r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procaccept4)), 4, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
fd = int(r0)
if e1 != 0 {
err = e1
}
return
}