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authorMatus Halaj <mhalaj@cisco.com>2022-10-13 14:46:39 +0200
committerDave Wallace <dwallacelf@gmail.com>2022-10-13 18:23:10 +0000
commitaf36e96d07911f26e8e36f59ea2319cb5c13c0ad (patch)
tree316f540c21ed38dc8cae21a9675852328f3f859b /extras/gomemif/memif/control_channel_unsafe.go
parent70892fcada81a4bef53dcd26c32cba5e26e1eb52 (diff)
gomemif: migrate to govpp repository
Type: make Signed-off-by: Matus Halaj <mhalaj@cisco.com> Change-Id: I1d48c7e44fdf23438132996fd3288b29da1fe36e
Diffstat (limited to 'extras/gomemif/memif/control_channel_unsafe.go')
-rw-r--r--extras/gomemif/memif/control_channel_unsafe.go60
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
-}