diff options
Diffstat (limited to 'src/cmd/vendor/golang.org/x/sys/unix/syscall_aix.go')
-rw-r--r-- | src/cmd/vendor/golang.org/x/sys/unix/syscall_aix.go | 61 |
1 files changed, 55 insertions, 6 deletions
diff --git a/src/cmd/vendor/golang.org/x/sys/unix/syscall_aix.go b/src/cmd/vendor/golang.org/x/sys/unix/syscall_aix.go index ad22c33db3..2db1b51e99 100644 --- a/src/cmd/vendor/golang.org/x/sys/unix/syscall_aix.go +++ b/src/cmd/vendor/golang.org/x/sys/unix/syscall_aix.go @@ -217,14 +217,63 @@ func Accept(fd int) (nfd int, sa Sockaddr, err error) { return } -func recvmsgRaw(fd int, p, oob []byte, flags int, rsa *RawSockaddrAny) (n, oobn int, recvflags int, err error) { - // Recvmsg not implemented on AIX - return -1, -1, -1, ENOSYS +func recvmsgRaw(fd int, iov []Iovec, oob []byte, flags int, rsa *RawSockaddrAny) (n, oobn int, recvflags int, err error) { + var msg Msghdr + msg.Name = (*byte)(unsafe.Pointer(rsa)) + msg.Namelen = uint32(SizeofSockaddrAny) + var dummy byte + if len(oob) > 0 { + // receive at least one normal byte + 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)) + } + if len(iov) > 0 { + msg.Iov = &iov[0] + msg.SetIovlen(len(iov)) + } + if n, err = recvmsg(fd, &msg, flags); n == -1 { + return + } + oobn = int(msg.Controllen) + recvflags = int(msg.Flags) + return } -func sendmsgN(fd int, p, oob []byte, ptr unsafe.Pointer, salen _Socklen, flags int) (n int, err error) { - // SendmsgN not implemented on AIX - return -1, ENOSYS +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 dummy byte + var empty bool + if len(oob) > 0 { + // send at least one normal byte + 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)) + } + 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 && empty { + n = 0 + } + return n, nil } func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) { |