Start adding code which will allow USB input to be monitored. (dm)


git-svn-id: svn://mielke.cc/main/brltty@8051 91a5dbb7-01b9-0310-9b5f-b28072856b6e
Remove a couple of no longer needed debug logs. (dm)


git-svn-id: svn://mielke.cc/main/brltty@8052 91a5dbb7-01b9-0310-9b5f-b28072856b6e
More generic USB input monitoring code. (dm)


git-svn-id: svn://mielke.cc/main/brltty@8053 91a5dbb7-01b9-0310-9b5f-b28072856b6e
More USB input monitoring code. (dm)


git-svn-id: svn://mielke.cc/main/brltty@8054 91a5dbb7-01b9-0310-9b5f-b28072856b6e
Rename sayText() to sayUtf8Characters() (due to a conflict with the SpeechDispatcher driver). (dm)


git-svn-id: svn://mielke.cc/main/brltty@8055 91a5dbb7-01b9-0310-9b5f-b28072856b6e
Add async_signal. (dm)


git-svn-id: svn://mielke.cc/main/brltty@8056 91a5dbb7-01b9-0310-9b5f-b28072856b6e
Implement asyncCancelRequest() for signal handlers. (dm)


git-svn-id: svn://mielke.cc/main/brltty@8057 91a5dbb7-01b9-0310-9b5f-b28072856b6e
The oldHandler parameter of asyncSetSignalHandler() should be optional. (dm)


git-svn-id: svn://mielke.cc/main/brltty@8058 91a5dbb7-01b9-0310-9b5f-b28072856b6e