diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_bsd.go')
| -rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_bsd.go | 101 |
1 files changed, 31 insertions, 70 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_bsd.go b/vendor/golang.org/x/sys/unix/syscall_bsd.go index 95ac394..eda4267 100644 --- a/vendor/golang.org/x/sys/unix/syscall_bsd.go +++ b/vendor/golang.org/x/sys/unix/syscall_bsd.go @@ -163,9 +163,7 @@ func (sa *SockaddrInet4) sockaddr() (unsafe.Pointer, _Socklen, error) { 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] - } + sa.raw.Addr = sa.Addr return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil } @@ -179,9 +177,7 @@ func (sa *SockaddrInet6) sockaddr() (unsafe.Pointer, _Socklen, error) { 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] - } + sa.raw.Addr = sa.Addr return unsafe.Pointer(&sa.raw), _Socklen(sa.raw.Len), nil } @@ -210,9 +206,7 @@ func (sa *SockaddrDatalink) sockaddr() (unsafe.Pointer, _Socklen, error) { sa.raw.Nlen = sa.Nlen sa.raw.Alen = sa.Alen sa.raw.Slen = sa.Slen - for i := 0; i < len(sa.raw.Data); i++ { - sa.raw.Data[i] = sa.Data[i] - } + sa.raw.Data = sa.Data return unsafe.Pointer(&sa.raw), SizeofSockaddrDatalink, nil } @@ -228,9 +222,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) { sa.Nlen = pp.Nlen sa.Alen = pp.Alen sa.Slen = pp.Slen - for i := 0; i < len(sa.Data); i++ { - sa.Data[i] = pp.Data[i] - } + sa.Data = pp.Data return sa, nil case AF_UNIX: @@ -262,9 +254,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) { 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] - } + sa.Addr = pp.Addr return sa, nil case AF_INET6: @@ -273,9 +263,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) { p := (*[2]byte)(unsafe.Pointer(&pp.Port)) sa.Port = int(p[0])<<8 + int(p[1]) sa.ZoneId = pp.Scope_id - for i := 0; i < len(sa.Addr); i++ { - sa.Addr[i] = pp.Addr[i] - } + sa.Addr = pp.Addr return sa, nil } return anyToSockaddrGOOS(fd, rsa) @@ -337,80 +325,62 @@ func GetsockoptString(fd, level, opt int) (string, error) { //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) -func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) { +func recvmsgRaw(fd int, iov []Iovec, oob []byte, flags int, rsa *RawSockaddrAny) (n, oobn int, recvflags int, err error) { var msg Msghdr - var rsa RawSockaddrAny - msg.Name = (*byte)(unsafe.Pointer(&rsa)) + 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) + if emptyIovecs(iov) { + var iova [1]Iovec + iova[0].Base = &dummy + iova[0].SetLen(1) + iov = iova[:] } msg.Control = (*byte)(unsafe.Pointer(&oob[0])) msg.SetControllen(len(oob)) } - msg.Iov = &iov - msg.Iovlen = 1 + if len(iov) > 0 { + msg.Iov = &iov[0] + msg.SetIovlen(len(iov)) + } 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(fd, &rsa) - } return } //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) -func Sendmsg(fd int, p, oob []byte, to Sockaddr, flags int) (err error) { - _, err = SendmsgN(fd, p, oob, to, flags) - return -} - -func SendmsgN(fd int, p, oob []byte, to Sockaddr, flags int) (n int, err error) { - var ptr unsafe.Pointer - var salen _Socklen - if to != nil { - ptr, salen, err = to.sockaddr() - if err != nil { - return 0, err - } - } +func sendmsgN(fd int, iov []Iovec, oob []byte, ptr unsafe.Pointer, salen _Socklen, flags int) (n int, err error) { 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 + var empty bool if len(oob) > 0 { // send at least one normal byte - if len(p) == 0 { - iov.Base = &dummy - iov.SetLen(1) + empty = emptyIovecs(iov) + if empty { + var iova [1]Iovec + iova[0].Base = &dummy + iova[0].SetLen(1) + iov = iova[:] } msg.Control = (*byte)(unsafe.Pointer(&oob[0])) msg.SetControllen(len(oob)) } - msg.Iov = &iov - msg.Iovlen = 1 + if len(iov) > 0 { + msg.Iov = &iov[0] + msg.SetIovlen(len(iov)) + } if n, err = sendmsg(fd, &msg, flags); err != nil { return 0, err } - if len(oob) > 0 && len(p) == 0 { + if len(oob) > 0 && empty { n = 0 } return n, nil @@ -583,12 +553,7 @@ func UtimesNano(path string, ts []Timespec) error { if len(ts) != 2 { return EINVAL } - // Darwin setattrlist can set nanosecond timestamps - err := setattrlistTimes(path, ts, 0) - if err != ENOSYS { - return err - } - err = utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) + err := utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) if err != ENOSYS { return err } @@ -608,10 +573,6 @@ func UtimesNanoAt(dirfd int, path string, ts []Timespec, flags int) error { if len(ts) != 2 { return EINVAL } - err := setattrlistTimes(path, ts, flags) - if err != ENOSYS { - return err - } return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), flags) } |