diff options
Diffstat (limited to 'extras/gomemif/memif/control_channel_unsafe.go')
-rw-r--r-- | extras/gomemif/memif/control_channel_unsafe.go | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/extras/gomemif/memif/control_channel_unsafe.go b/extras/gomemif/memif/control_channel_unsafe.go deleted file mode 100644 index 9e91297b160..00000000000 --- a/extras/gomemif/memif/control_channel_unsafe.go +++ /dev/null @@ -1,60 +0,0 @@ -/* - *------------------------------------------------------------------ - * Copyright (c) 2020 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - *------------------------------------------------------------------ - */ - -package memif - -import ( - "fmt" - "os" - "syscall" - "unsafe" -) - -// sendMsg sends a control message from contorl channels message queue -func (cc *controlChannel) sendMsg() (err error) { - if len(cc.msgQueue) < 1 { - return nil - } - // Get message buffer - msg := cc.msgQueue[0] - // Dequeue - cc.msgQueue = cc.msgQueue[1:] - - iov := &syscall.Iovec{ - Base: &msg.Buffer.Bytes()[0], - Len: msgSize, - } - - msgh := syscall.Msghdr{ - Iov: iov, - Iovlen: 1, - } - - if msg.Fd > 0 { - oob := syscall.UnixRights(msg.Fd) - msgh.Control = &oob[0] - msgh.Controllen = uint64(syscall.CmsgSpace(4)) - } - - _, _, errno := syscall.Syscall(syscall.SYS_SENDMSG, uintptr(cc.event.Fd), uintptr(unsafe.Pointer(&msgh)), uintptr(0)) - if errno != 0 { - err = os.NewSyscallError("sendmsg", errno) - return fmt.Errorf("SYS_SENDMSG: %s", errno) - } - - return nil -} |