diff options
Diffstat (limited to 'libs/ui/InputTransport.cpp')
| -rw-r--r-- | libs/ui/InputTransport.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/libs/ui/InputTransport.cpp b/libs/ui/InputTransport.cpp index 7047322..f7bcb68 100644 --- a/libs/ui/InputTransport.cpp +++ b/libs/ui/InputTransport.cpp @@ -28,6 +28,13 @@ namespace android { +// Socket buffer size. The default is typically about 128KB, which is much larger than +// we really need. So we make it smaller. It just needs to be big enough to hold +// a few dozen large multi-finger motion events in the case where an application gets +// behind processing touches. +static const size_t SOCKET_BUFFER_SIZE = 32 * 1024; + + // --- InputMessage --- bool InputMessage::isValid(size_t actualSize) const { @@ -93,6 +100,12 @@ status_t InputChannel::openInputChannelPair(const String8& name, return result; } + int bufferSize = SOCKET_BUFFER_SIZE; + setsockopt(sockets[0], SOL_SOCKET, SO_SNDBUF, &bufferSize, sizeof(bufferSize)); + setsockopt(sockets[0], SOL_SOCKET, SO_RCVBUF, &bufferSize, sizeof(bufferSize)); + setsockopt(sockets[1], SOL_SOCKET, SO_SNDBUF, &bufferSize, sizeof(bufferSize)); + setsockopt(sockets[1], SOL_SOCKET, SO_RCVBUF, &bufferSize, sizeof(bufferSize)); + String8 serverChannelName = name; serverChannelName.append(" (server)"); outServerChannel = new InputChannel(serverChannelName, sockets[0]); |