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Diffstat (limited to 'gcc-4.8.1/libgo/go/syscall/socket.go')
-rw-r--r--gcc-4.8.1/libgo/go/syscall/socket.go408
1 files changed, 0 insertions, 408 deletions
diff --git a/gcc-4.8.1/libgo/go/syscall/socket.go b/gcc-4.8.1/libgo/go/syscall/socket.go
deleted file mode 100644
index a625eb698..000000000
--- a/gcc-4.8.1/libgo/go/syscall/socket.go
+++ /dev/null
@@ -1,408 +0,0 @@
-// socket.go -- Socket handling.
-
-// Copyright 2009 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.
-
-// Low-level socket interface.
-// Only for implementing net package.
-// DO NOT USE DIRECTLY.
-
-package syscall
-
-import "unsafe"
-
-// For testing: clients can set this flag to force
-// creation of IPv6 sockets to return EAFNOSUPPORT.
-var SocketDisableIPv6 bool
-
-type Sockaddr interface {
- sockaddr() (ptr *RawSockaddrAny, len Socklen_t, err error) // lowercase; only we can define Sockaddrs
-}
-
-type RawSockaddrAny struct {
- Addr RawSockaddr
- Pad [96]int8
-}
-
-const SizeofSockaddrAny = 0x1c
-
-type SockaddrInet4 struct {
- Port int
- Addr [4]byte
- raw RawSockaddrInet4
-}
-
-func (sa *SockaddrInet4) sockaddr() (*RawSockaddrAny, Socklen_t, error) {
- if sa.Port < 0 || sa.Port > 0xFFFF {
- return nil, 0, EINVAL
- }
- sa.raw.Family = AF_INET
- n := sa.raw.setLen()
- p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
- p[0] = byte(sa.Port >> 8)
- p[1] = byte(sa.Port)
- for i := 0; i < len(sa.Addr); i++ {
- sa.raw.Addr[i] = sa.Addr[i]
- }
- return (*RawSockaddrAny)(unsafe.Pointer(&sa.raw)), n, nil
-}
-
-type SockaddrInet6 struct {
- Port int
- ZoneId uint32
- Addr [16]byte
- raw RawSockaddrInet6
-}
-
-func (sa *SockaddrInet6) sockaddr() (*RawSockaddrAny, Socklen_t, error) {
- if sa.Port < 0 || sa.Port > 0xFFFF {
- return nil, 0, EINVAL
- }
- sa.raw.Family = AF_INET6
- n := sa.raw.setLen()
- p := (*[2]byte)(unsafe.Pointer(&sa.raw.Port))
- p[0] = byte(sa.Port >> 8)
- p[1] = byte(sa.Port)
- sa.raw.Scope_id = sa.ZoneId
- for i := 0; i < len(sa.Addr); i++ {
- sa.raw.Addr[i] = sa.Addr[i]
- }
- return (*RawSockaddrAny)(unsafe.Pointer(&sa.raw)), n, nil
-}
-
-type SockaddrUnix struct {
- Name string
- raw RawSockaddrUnix
-}
-
-func (sa *SockaddrUnix) sockaddr() (*RawSockaddrAny, Socklen_t, error) {
- name := sa.Name
- n := len(name)
- if n >= len(sa.raw.Path) || n == 0 {
- return nil, 0, EINVAL
- }
- sa.raw.Family = AF_UNIX
- sa.raw.setLen(n)
- for i := 0; i < n; i++ {
- sa.raw.Path[i] = int8(name[i])
- }
- // length is family (uint16), name, NUL.
- sl := 2 + Socklen_t(n) + 1
- if sa.raw.Path[0] == '@' {
- sa.raw.Path[0] = 0
- // Don't count trailing NUL for abstract address.
- sl--
- }
-
- // length is family (uint16), name, NUL.
- return (*RawSockaddrAny)(unsafe.Pointer(&sa.raw)), sl, nil
-}
-
-func anyToSockaddr(rsa *RawSockaddrAny) (Sockaddr, error) {
- switch rsa.Addr.Family {
- case AF_UNIX:
- pp := (*RawSockaddrUnix)(unsafe.Pointer(rsa))
- sa := new(SockaddrUnix)
- n, err := pp.getLen()
- if err != nil {
- return nil, err
- }
- bytes := (*[len(pp.Path)]byte)(unsafe.Pointer(&pp.Path[0]))
- sa.Name = string(bytes[0:n])
- return sa, nil
-
- case AF_INET:
- pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
- sa := new(SockaddrInet4)
- p := (*[2]byte)(unsafe.Pointer(&pp.Port))
- sa.Port = int(p[0])<<8 + int(p[1])
- for i := 0; i < len(sa.Addr); i++ {
- sa.Addr[i] = pp.Addr[i]
- }
- return sa, nil
-
- case AF_INET6:
- pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
- sa := new(SockaddrInet6)
- p := (*[2]byte)(unsafe.Pointer(&pp.Port))
- sa.Port = int(p[0])<<8 + int(p[1])
- for i := 0; i < len(sa.Addr); i++ {
- sa.Addr[i] = pp.Addr[i]
- }
- return sa, nil
- }
- return anyToSockaddrOS(rsa)
-}
-
-//sys accept(fd int, sa *RawSockaddrAny, len *Socklen_t) (nfd int, err error)
-//accept(fd _C_int, sa *RawSockaddrAny, len *Socklen_t) _C_int
-
-func Accept(fd int) (nfd int, sa Sockaddr, err error) {
- var rsa RawSockaddrAny
- var len Socklen_t = SizeofSockaddrAny
- nfd, err = accept(fd, &rsa, &len)
- if err != nil {
- return
- }
- sa, err = anyToSockaddr(&rsa)
- if err != nil {
- Close(nfd)
- nfd = 0
- }
- return
-}
-
-//sysnb getsockname(fd int, sa *RawSockaddrAny, len *Socklen_t) (err error)
-//getsockname(fd _C_int, sa *RawSockaddrAny, len *Socklen_t) _C_int
-
-func Getsockname(fd int) (sa Sockaddr, err error) {
- var rsa RawSockaddrAny
- var len Socklen_t = SizeofSockaddrAny
- if err = getsockname(fd, &rsa, &len); err != nil {
- return
- }
- return anyToSockaddr(&rsa)
-}
-
-//sysnb getpeername(fd int, sa *RawSockaddrAny, len *Socklen_t) (err error)
-//getpeername(fd _C_int, sa *RawSockaddrAny, len *Socklen_t) _C_int
-
-func Getpeername(fd int) (sa Sockaddr, err error) {
- var rsa RawSockaddrAny
- var len Socklen_t = SizeofSockaddrAny
- if err = getpeername(fd, &rsa, &len); err != nil {
- return
- }
- 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]_C_int
- 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_t(1)
- err = getsockopt(fd, level, opt, uintptr(unsafe.Pointer(&n)), &vallen)
- return n, err
-}
-
-func GetsockoptInt(fd, level, opt int) (value int, err error) {
- var n int32
- vallen := Socklen_t(4)
- err = getsockopt(fd, level, opt, (uintptr)(unsafe.Pointer(&n)), &vallen)
- return int(n), err
-}
-
-func GetsockoptInet4Addr(fd, level, opt int) (value [4]byte, err error) {
- vallen := Socklen_t(4)
- err = getsockopt(fd, level, opt, uintptr(unsafe.Pointer(&value[0])), &vallen)
- return value, err
-}
-
-func GetsockoptIPMreq(fd, level, opt int) (*IPMreq, error) {
- var value IPMreq
- vallen := Socklen_t(SizeofIPMreq)
- err := getsockopt(fd, level, opt, uintptr(unsafe.Pointer(&value)), &vallen)
- return &value, err
-}
-
-func GetsockoptIPMreqn(fd, level, opt int) (*IPMreqn, error) {
- var value IPMreqn
- vallen := Socklen_t(SizeofIPMreqn)
- err := getsockopt(fd, level, opt, uintptr(unsafe.Pointer(&value)), &vallen)
- return &value, err
-}
-
-func GetsockoptIPv6Mreq(fd, level, opt int) (*IPv6Mreq, error) {
- var value IPv6Mreq
- vallen := Socklen_t(SizeofIPv6Mreq)
- err := getsockopt(fd, level, opt, uintptr(unsafe.Pointer(&value)), &vallen)
- return &value, err
-}
-
-//sys setsockopt(s int, level int, name int, val *byte, vallen Socklen_t) (err error)
-//setsockopt(s _C_int, level _C_int, optname _C_int, val *byte, vallen Socklen_t) _C_int
-
-func SetsockoptByte(fd, level, opt int, value byte) (err error) {
- var n = byte(value)
- return setsockopt(fd, level, opt, (*byte)(unsafe.Pointer(&n)), 1)
-}
-
-func SetsockoptInt(fd, level, opt int, value int) (err error) {
- var n = int32(value)
- return setsockopt(fd, level, opt, (*byte)(unsafe.Pointer(&n)), 4)
-}
-
-func SetsockoptInet4Addr(fd, level, opt int, value [4]byte) (err error) {
- return setsockopt(fd, level, opt, (*byte)(unsafe.Pointer(&value[0])), 4)
-}
-
-func SetsockoptTimeval(fd, level, opt int, tv *Timeval) (err error) {
- return setsockopt(fd, level, opt, (*byte)(unsafe.Pointer(tv)), Socklen_t(unsafe.Sizeof(*tv)))
-}
-
-type Linger struct {
- Onoff int32
- Linger int32
-}
-
-func SetsockoptLinger(fd, level, opt int, l *Linger) (err error) {
- return setsockopt(fd, level, opt, (*byte)(unsafe.Pointer(l)), Socklen_t(unsafe.Sizeof(*l)))
-}
-
-func SetsockoptIPMreq(fd, level, opt int, mreq *IPMreq) (err error) {
- return setsockopt(fd, level, opt, (*byte)(unsafe.Pointer(mreq)), Socklen_t(unsafe.Sizeof(*mreq)))
-}
-
-func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) {
- return setsockopt(fd, level, opt, (*byte)(unsafe.Pointer(mreq)), Socklen_t(unsafe.Sizeof(*mreq)))
-}
-
-func SetsockoptIPv6Mreq(fd, level, opt int, mreq *IPv6Mreq) (err error) {
- return setsockopt(fd, level, opt, (*byte)(unsafe.Pointer(mreq)), Socklen_t(unsafe.Sizeof(*mreq)))
-}
-
-func SetsockoptString(fd, level, opt int, s string) (err error) {
- return setsockopt(fd, level, opt, (*byte)(unsafe.Pointer(&[]byte(s)[0])), Socklen_t(len(s)))
-}
-
-//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *Socklen_t) (n int, err error)
-//recvfrom(fd _C_int, buf *byte, len Size_t, flags _C_int, from *RawSockaddrAny, fromlen *Socklen_t) Ssize_t
-
-func Recvfrom(fd int, p []byte, flags int) (n int, from Sockaddr, err error) {
- var rsa RawSockaddrAny
- var len Socklen_t = SizeofSockaddrAny
- if n, err = recvfrom(fd, p, flags, &rsa, &len); err != nil {
- return
- }
- from, err = anyToSockaddr(&rsa)
- return
-}
-
-func Sendto(fd int, p []byte, flags int, to Sockaddr) (err error) {
- ptr, n, err := to.sockaddr()
- if err != nil {
- return err
- }
- return sendto(fd, p, flags, ptr, n)
-}
-
-func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
- var msg Msghdr
- var rsa RawSockaddrAny
- msg.Name = (*byte)(unsafe.Pointer(&rsa))
- msg.Namelen = uint32(SizeofSockaddrAny)
- var iov Iovec
- if len(p) > 0 {
- iov.Base = (*byte)(unsafe.Pointer(&p[0]))
- iov.SetLen(len(p))
- }
- var dummy byte
- if len(oob) > 0 {
- // receive at least one normal byte
- if len(p) == 0 {
- iov.Base = &dummy
- iov.SetLen(1)
- }
- msg.Control = (*byte)(unsafe.Pointer(&oob[0]))
- msg.SetControllen(len(oob))
- }
- msg.Iov = &iov
- msg.Iovlen = 1
- if n, err = recvmsg(fd, &msg, flags); err != nil {
- return
- }
- oobn = int(msg.Controllen)
- recvflags = int(msg.Flags)
- // source address is only specified if the socket is unconnected
- if rsa.Addr.Family != AF_UNSPEC {
- from, err = anyToSockaddr(&rsa)
- }
- return
-}
-
-func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) {
- var ptr *RawSockaddrAny
- var salen Socklen_t
- if to != nil {
- var err error
- ptr, salen, err = to.sockaddr()
- if err != nil {
- return err
- }
- }
- var msg Msghdr
- msg.Name = (*byte)(unsafe.Pointer(ptr))
- msg.Namelen = uint32(salen)
- var iov Iovec
- if len(p) > 0 {
- iov.Base = (*byte)(unsafe.Pointer(&p[0]))
- iov.SetLen(len(p))
- }
- var dummy byte
- if len(oob) > 0 {
- // send at least one normal byte
- if len(p) == 0 {
- iov.Base = &dummy
- iov.SetLen(1)
- }
- msg.Control = (*byte)(unsafe.Pointer(&oob[0]))
- msg.SetControllen(len(oob))
- }
- msg.Iov = &iov
- msg.Iovlen = 1
- if err = sendmsg(fd, &msg, flags); err != nil {
- return
- }
- return
-}
-
-//sys Listen(fd int, n int) (err error)
-//listen(fd _C_int, n _C_int) _C_int
-
-//sys Shutdown(fd int, how int) (err error)
-//shutdown(fd _C_int, how _C_int) _C_int
-
-func (iov *Iovec) SetLen(length int) {
- iov.Len = Iovec_len_t(length)
-}
-
-func (msghdr *Msghdr) SetControllen(length int) {
- msghdr.Controllen = Msghdr_controllen_t(length)
-}
-
-func (cmsg *Cmsghdr) SetLen(length int) {
- cmsg.Len = Cmsghdr_len_t(length)
-}