1 files changed, 0 insertions, 96 deletions
diff --git a/host/libs/msg_queue/msg_queue.cc b/host/libs/msg_queue/msg_queue.cc
deleted file mode 100644
index 8016a2347..000000000
--- a/host/libs/msg_queue/msg_queue.cc
+++ /dev/null
@@ -1,96 +0,0 @@
-//
-// Copyright (C) 2020 The Android Open Source Project
-//
-// 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.
-
-#include "host/libs/msg_queue/msg_queue.h"
-
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/ipc.h>
-#include <sys/msg.h>
-
-#include <fstream>
-#include <iostream>
-#include <memory>
-
-#include <android-base/logging.h>
-
-namespace cuttlefish {
-
-// class holds `msgid` returned from msg_queue_create, and match the lifetime of
-// the message queue to the lifetime of the object.
-
-SysVMessageQueue::SysVMessageQueue(int id) { msgid = id; }
-
-SysVMessageQueue::~SysVMessageQueue(void) {
-  if (msgctl(msgid, IPC_RMID, NULL) < 0) {
-    int error_num = errno;
-    LOG(ERROR) << "Could not remove message queue: " << strerror(error_num);
-  }
-}
-
-// SysVMessageQueue::Create would return an empty/null std::unique_ptr if
-// initialization failed.
-std::unique_ptr<SysVMessageQueue> SysVMessageQueue::Create(
-    const std::string& path, char proj_id) {
-  // key file must exist before calling ftok
-  std::fstream fs;
-  fs.open(path, std::ios::out);
-  fs.close();
-
-  // only the owning user has access
-  key_t key = ftok(path.c_str(), proj_id);
-  if (key < 0) {
-    int error_num = errno;
-    LOG(ERROR) << "Could not ftok to create IPC key: " << strerror(error_num);
-    return NULL;
-  }
-  int queue_id = msgget(key, 0);
-  if (queue_id < 0) {
-    queue_id = msgget(key, IPC_CREAT | IPC_EXCL | 0600);
-  }
-  auto msg = std::unique_ptr<SysVMessageQueue>(new SysVMessageQueue(queue_id));
-  return msg;
-}
-
-int SysVMessageQueue::Send(void* data, size_t size, bool block) {
-  int msgflg = block ? 0 : IPC_NOWAIT;
-  if (msgsnd(msgid, data, size, msgflg) < 0) {
-    int error_num = errno;
-    if (error_num == EAGAIN) {
-      // returns EAGAIN if queue is full and non-blocking
-      return EAGAIN;
-    }
-    LOG(ERROR) << "Could not send message: " << strerror(error_num);
-    return error_num;
-  }
-  return 0;
-}
-
-// If msgtyp is 0, then the first message in the queue is read.
-// If msgtyp is greater than 0, then the first message in the queue of type
-// msgtyp is read.
-// If msgtyp is less than 0, then the first message in the queue with the lowest
-// type less than or equal to the absolute value of msgtyp will be read.
-ssize_t SysVMessageQueue::Receive(void* data, size_t size, long msgtyp,
-                                  bool block) {
-  // System call fails with errno set to ENOMSG if queue is empty and
-  // non-blocking.
-  int msgflg = block ? 0 : IPC_NOWAIT;
-  return msgrcv(msgid, data, size, msgtyp, msgflg);
-}
-
-}  // namespace cuttlefish