From dada39db2360486de3135d902aed4c351d6a76ad Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Sat, 22 Feb 2020 22:44:01 -0500
Subject: Issue #1053 - Remove android support from ipc except for ipc/chromium

This does not include android in the imported chromium code as specific research needs done on defines and logic.
---
 ipc/glue/SharedMemoryBasic_android.cpp | 139 ---------------------------------
 1 file changed, 139 deletions(-)
 delete mode 100644 ipc/glue/SharedMemoryBasic_android.cpp

(limited to 'ipc/glue/SharedMemoryBasic_android.cpp')

diff --git a/ipc/glue/SharedMemoryBasic_android.cpp b/ipc/glue/SharedMemoryBasic_android.cpp
deleted file mode 100644
index 05c9ca9ad..000000000
--- a/ipc/glue/SharedMemoryBasic_android.cpp
+++ /dev/null
@@ -1,139 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=8 sts=2 et sw=2 tw=80: */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include <android/log.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <string.h>
-#include <sys/ioctl.h>
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "base/process_util.h"
-
-#include "SharedMemoryBasic.h"
-
-//
-// Temporarily go directly to the kernel interface until we can
-// interact better with libcutils.
-//
-#include <linux/ashmem.h>
-
-namespace mozilla {
-namespace ipc {
-
-static void
-LogError(const char* what)
-{
-  __android_log_print(ANDROID_LOG_ERROR, "Gecko",
-                      "%s: %s (%d)", what, strerror(errno), errno);
-}
-
-SharedMemoryBasic::SharedMemoryBasic()
-  : mShmFd(-1)
-  , mMemory(nullptr)
-{ }
-
-SharedMemoryBasic::~SharedMemoryBasic()
-{
-  Unmap();
-  CloseHandle();
-}
-
-bool
-SharedMemoryBasic::SetHandle(const Handle& aHandle)
-{
-  MOZ_ASSERT(-1 == mShmFd, "Already Create()d");
-  mShmFd = aHandle.fd;
-  return true;
-}
-
-bool
-SharedMemoryBasic::Create(size_t aNbytes)
-{
-  MOZ_ASSERT(-1 == mShmFd, "Already Create()d");
-
-  // Carve a new instance off of /dev/ashmem
-  int shmfd = open("/" ASHMEM_NAME_DEF, O_RDWR, 0600);
-  if (-1 == shmfd) {
-    LogError("ShmemAndroid::Create():open");
-    return false;
-  }
-
-  if (ioctl(shmfd, ASHMEM_SET_SIZE, aNbytes)) {
-    LogError("ShmemAndroid::Unmap():ioctl(SET_SIZE)");
-    close(shmfd);
-    return false;
-  }
-
-  mShmFd = shmfd;
-  Created(aNbytes);
-  return true;
-}
-
-bool
-SharedMemoryBasic::Map(size_t nBytes)
-{
-  MOZ_ASSERT(nullptr == mMemory, "Already Map()d");
-
-  mMemory = mmap(nullptr, nBytes,
-                 PROT_READ | PROT_WRITE,
-                 MAP_SHARED,
-                 mShmFd,
-                 0);
-  if (MAP_FAILED == mMemory) {
-    LogError("ShmemAndroid::Map()");
-    mMemory = nullptr;
-    return false;
-  }
-
-  Mapped(nBytes);
-  return true;
-}
-
-bool
-SharedMemoryBasic::ShareToProcess(base::ProcessId/*unused*/,
-                                  Handle* aNewHandle)
-{
-  MOZ_ASSERT(mShmFd >= 0, "Should have been Create()d by now");
-
-  int shmfdDup = dup(mShmFd);
-  if (-1 == shmfdDup) {
-    LogError("ShmemAndroid::ShareToProcess()");
-    return false;
-  }
-
-  aNewHandle->fd = shmfdDup;
-  aNewHandle->auto_close = true;
-  return true;
-}
-
-void
-SharedMemoryBasic::Unmap()
-{
-  if (!mMemory) {
-    return;
-  }
-
-  if (munmap(mMemory, Size())) {
-    LogError("ShmemAndroid::Unmap()");
-  }
-  mMemory = nullptr;
-}
-
-void
-SharedMemoryBasic::CloseHandle()
-{
-  if (mShmFd != -1) {
-    close(mShmFd);
-    mShmFd = -1;
-  }
-}
-
-} // namespace ipc
-} // namespace mozilla
-- 
cgit v1.2.3