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syscall: reduce duplication between *bsd and linux

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See discussion: https://groups.google.com/forum/#!topic/golang-dev/zSmH0lQxKAs

Part 1 of several.

Move identical types and functions to syscall_unix.go.

R=rsc, mikioh.mikioh, r
CC=golang-dev
https://golang.org/cl/10392048
This commit is contained in:
Dave Cheney 2013-06-22 11:03:40 +10:00
parent de47f68c99
commit dd3a3cfa49
3 changed files with 60 additions and 120 deletions
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60
src/pkg/syscall/syscall_bsd.go
View File

@ -151,20 +151,6 @@ func Wait4(pid int, wstatus *WaitStatus, options int, rusage *Rusage) (wpid int,
//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
//sys Shutdown(s int, how int) (err error)
// For testing: clients can set this flag to force
// creation of IPv6 sockets to return EAFNOSUPPORT.
var SocketDisableIPv6 bool
type Sockaddr interface {
sockaddr() (ptr uintptr, len _Socklen, err error) // lowercase; only we can define Sockaddrs
}
type SockaddrInet4 struct {
Port int
Addr [4]byte
raw RawSockaddrInet4
}
func (sa *SockaddrInet4) sockaddr() (uintptr, _Socklen, error) {
if sa.Port < 0 || sa.Port > 0xFFFF {
return 0, 0, EINVAL
@ -180,13 +166,6 @@ func (sa *SockaddrInet4) sockaddr() (uintptr, _Socklen, error) {
return uintptr(unsafe.Pointer(&sa.raw)), _Socklen(sa.raw.Len), nil
}
type SockaddrInet6 struct {
Port int
ZoneId uint32
Addr [16]byte
raw RawSockaddrInet6
}
func (sa *SockaddrInet6) sockaddr() (uintptr, _Socklen, error) {
if sa.Port < 0 || sa.Port > 0xFFFF {
return 0, 0, EINVAL
@ -203,11 +182,6 @@ func (sa *SockaddrInet6) sockaddr() (uintptr, _Socklen, error) {
return uintptr(unsafe.Pointer(&sa.raw)), _Socklen(sa.raw.Len), nil
}
type SockaddrUnix struct {
Name string
raw RawSockaddrUnix
}
func (sa *SockaddrUnix) sockaddr() (uintptr, _Socklen, error) {
name := sa.Name
n := len(name)
@ -344,42 +318,8 @@ func Getpeername(fd int) (sa Sockaddr, err error) {
return anyToSockaddr(&rsa)
}
func Bind(fd int, sa Sockaddr) (err error) {
ptr, n, err := sa.sockaddr()
if err != nil {
return err
}
return bind(fd, ptr, n)
}
func Connect(fd int, sa Sockaddr) (err error) {
ptr, n, err := sa.sockaddr()
if err != nil {
return err
}
return connect(fd, ptr, n)
}
func Socket(domain, typ, proto int) (fd int, err error) {
if domain == AF_INET6 && SocketDisableIPv6 {
return -1, EAFNOSUPPORT
}
fd, err = socket(domain, typ, proto)
return
}
//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
func Socketpair(domain, typ, proto int) (fd [2]int, err error) {
var fdx [2]int32
err = socketpair(domain, typ, proto, &fdx)
if err == nil {
fd[0] = int(fdx[0])
fd[1] = int(fdx[1])
}
return
}
func GetsockoptByte(fd, level, opt int) (value byte, err error) {
var n byte
vallen := _Socklen(1)

60
src/pkg/syscall/syscall_linux.go
View File

@ -230,20 +230,6 @@ func Mkfifo(path string, mode uint32) (err error) {
return Mknod(path, mode|S_IFIFO, 0)
}
// For testing: clients can set this flag to force
// creation of IPv6 sockets to return EAFNOSUPPORT.
var SocketDisableIPv6 bool
type Sockaddr interface {
sockaddr() (ptr uintptr, len _Socklen, err error) // lowercase; only we can define Sockaddrs
}
type SockaddrInet4 struct {
Port int
Addr [4]byte
raw RawSockaddrInet4
}
func (sa *SockaddrInet4) sockaddr() (uintptr, _Socklen, error) {
if sa.Port < 0 || sa.Port > 0xFFFF {
return 0, 0, EINVAL
@ -258,13 +244,6 @@ func (sa *SockaddrInet4) sockaddr() (uintptr, _Socklen, error) {
return uintptr(unsafe.Pointer(&sa.raw)), SizeofSockaddrInet4, nil
}
type SockaddrInet6 struct {
Port int
ZoneId uint32
Addr [16]byte
raw RawSockaddrInet6
}
func (sa *SockaddrInet6) sockaddr() (uintptr, _Socklen, error) {
if sa.Port < 0 || sa.Port > 0xFFFF {
return 0, 0, EINVAL
@ -280,11 +259,6 @@ func (sa *SockaddrInet6) sockaddr() (uintptr, _Socklen, error) {
return uintptr(unsafe.Pointer(&sa.raw)), SizeofSockaddrInet6, nil
}
type SockaddrUnix struct {
Name string
raw RawSockaddrUnix
}
func (sa *SockaddrUnix) sockaddr() (uintptr, _Socklen, error) {
name := sa.Name
n := len(name)
@ -472,40 +446,6 @@ func Getpeername(fd int) (sa Sockaddr, err error) {
return anyToSockaddr(&rsa)
}
func Bind(fd int, sa Sockaddr) (err error) {
ptr, n, err := sa.sockaddr()
if err != nil {
return err
}
return bind(fd, ptr, n)
}
func Connect(fd int, sa Sockaddr) (err error) {
ptr, n, err := sa.sockaddr()
if err != nil {
return err
}
return connect(fd, ptr, n)
}
func Socket(domain, typ, proto int) (fd int, err error) {
if domain == AF_INET6 && SocketDisableIPv6 {
return -1, EAFNOSUPPORT
}
fd, err = socket(domain, typ, proto)
return
}
func Socketpair(domain, typ, proto int) (fd [2]int, err error) {
var fdx [2]int32
err = socketpair(domain, typ, proto, &fdx)
if err == nil {
fd[0] = int(fdx[0])
fd[1] = int(fdx[1])
}
return
}
func GetsockoptInt(fd, level, opt int) (value int, err error) {
var n int32
vallen := _Socklen(4)

60
src/pkg/syscall/syscall_unix.go
View File

@ -152,6 +152,66 @@ func Write(fd int, p []byte) (n int, err error) {
return
}
// For testing: clients can set this flag to force
// creation of IPv6 sockets to return EAFNOSUPPORT.
var SocketDisableIPv6 bool
type Sockaddr interface {
sockaddr() (ptr uintptr, len _Socklen, err error) // lowercase; only we can define Sockaddrs
}
type SockaddrInet4 struct {
Port int
Addr [4]byte
raw RawSockaddrInet4
}
type SockaddrInet6 struct {
Port int
ZoneId uint32
Addr [16]byte
raw RawSockaddrInet6
}
type SockaddrUnix struct {
Name string
raw RawSockaddrUnix
}
func Bind(fd int, sa Sockaddr) (err error) {
ptr, n, err := sa.sockaddr()
if err != nil {
return err
}
return bind(fd, ptr, n)
}
func Connect(fd int, sa Sockaddr) (err error) {
ptr, n, err := sa.sockaddr()
if err != nil {
return err
}
return connect(fd, ptr, n)
}
func Socket(domain, typ, proto int) (fd int, err error) {
if domain == AF_INET6 && SocketDisableIPv6 {
return -1, EAFNOSUPPORT
}
fd, err = socket(domain, typ, proto)
return
}
func Socketpair(domain, typ, proto int) (fd [2]int, err error) {
var fdx [2]int32
err = socketpair(domain, typ, proto, &fdx)
if err == nil {
fd[0] = int(fdx[0])
fd[1] = int(fdx[1])
}
return
}
func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) {
if raceenabled {
raceReleaseMerge(unsafe.Pointer(&ioSync))