C++ (Cpp) SharedMemoryBasicの例

コード例 #1

ファイル: Shmem.cpp プロジェクト: LittleForker/mozilla-central

IPC::Message*
Shmem::ShareTo(IHadBetterBeIPDLCodeCallingThis_OtherwiseIAmADoodyhead,
               base::ProcessHandle aProcess,
               int32 routingId)
{
  AssertInvariants();

  if (SharedMemory::TYPE_BASIC == mSegment->Type()) {
    SharedMemoryBasic* seg = static_cast<SharedMemoryBasic*>(mSegment);
    SharedMemoryBasic::Handle handle;
    if (!seg->ShareToProcess(aProcess, &handle))
      return 0;

    return new ShmemCreated(routingId, mId, mSize, handle);
  }
#ifdef MOZ_HAVE_SHAREDMEMORYSYSV
  else if (SharedMemory::TYPE_SYSV == mSegment->Type()) {
    SharedMemorySysV* seg = static_cast<SharedMemorySysV*>(mSegment);
    return new ShmemCreated(routingId, mId, mSize, seg->GetHandle());
  }
#endif
  else {
    NS_RUNTIMEABORT("unknown shmem type (here?!)");
  }

  return 0;
}

コード例 #2

ファイル: Shmem.cpp プロジェクト: Acidburn0zzz/tor-browser

IPC::Message*
Shmem::ShareTo(IHadBetterBeIPDLCodeCallingThis_OtherwiseIAmADoodyhead,
               base::ProcessHandle aProcess,
               int32_t routingId)
{
  AssertInvariants();

  // kInvalidProcessHandle is used to indicate that it's the same process.
  if (aProcess == kInvalidProcessHandle) {
    aProcess = base::GetCurrentProcessHandle();
  }

  if (SharedMemory::TYPE_BASIC == mSegment->Type()) {
    SharedMemoryBasic* seg = static_cast<SharedMemoryBasic*>(mSegment);
    SharedMemoryBasic::Handle handle;
    if (!seg->ShareToProcess(aProcess, &handle))
      return nullptr;

    return new ShmemCreated(routingId, mId, mSize, handle);
  }
#ifdef MOZ_HAVE_SHAREDMEMORYSYSV
  else if (SharedMemory::TYPE_SYSV == mSegment->Type()) {
    SharedMemorySysV* seg = static_cast<SharedMemorySysV*>(mSegment);
    return new ShmemCreated(routingId, mId, mSize, seg->GetHandle());
  }
#endif
  else {
    MOZ_ASSERT(false, "unknown shmem type (here?!)");
    return nullptr;
  }

  return nullptr;
}