static void *read_thread(void *param)
{
hid_device *dev = param;
SInt32 code;
/* Move the device's run loop to this thread. */
IOHIDDeviceScheduleWithRunLoop(dev->device_handle, CFRunLoopGetCurrent(), dev->run_loop_mode);
/* Create the RunLoopSource which is used to signal the
event loop to stop when hid_close() is called. */
CFRunLoopSourceContext ctx;
memset(&ctx, 0, sizeof(ctx));
ctx.version = 0;
ctx.info = dev;
ctx.perform = &perform_signal_callback;
dev->source = CFRunLoopSourceCreate(kCFAllocatorDefault, 0/*order*/, &ctx);
CFRunLoopAddSource(CFRunLoopGetCurrent(), dev->source, dev->run_loop_mode);
/* Store off the Run Loop so it can be stopped from hid_close()
and on device disconnection. */
dev->run_loop = CFRunLoopGetCurrent();
/* Notify the main thread that the read thread is up and running. */
pthread_barrier_wait(&dev->barrier);
/* Run the Event Loop. CFRunLoopRunInMode() will dispatch HID input
reports into the hid_report_callback(). */
while (!dev->shutdown_thread && !dev->disconnected) {
code = CFRunLoopRunInMode(dev->run_loop_mode, 1000/*sec*/, FALSE);
/* Return if the device has been disconnected */
if (code == kCFRunLoopRunFinished) {
dev->disconnected = 1;
break;
}
/* Break if The Run Loop returns Finished or Stopped. */
if (code != kCFRunLoopRunTimedOut &&
code != kCFRunLoopRunHandledSource) {
/* There was some kind of error. Setting
shutdown seems to make sense, but
there may be something else more appropriate */
dev->shutdown_thread = 1;
break;
}
}
/* Now that the read thread is stopping, Wake any threads which are
waiting on data (in hid_read_timeout()). Do this under a mutex to
make sure that a thread which is about to go to sleep waiting on
the condition acutally will go to sleep before the condition is
signaled. */
pthread_mutex_lock(&dev->mutex);
pthread_cond_broadcast(&dev->condition);
pthread_mutex_unlock(&dev->mutex);
/* Wait here until hid_close() is called and makes it past
the call to CFRunLoopWakeUp(). This thread still needs to
be valid when that function is called on the other thread. */
pthread_barrier_wait(&dev->shutdown_barrier);
return NULL;
}
mailstream_low * mailstream_low_cfstream_open_voip_timeout(const char * hostname, int16_t port,
int voip_enabled, time_t timeout)
{
#if HAVE_CFNETWORK
mailstream_low * s;
struct mailstream_cfstream_data * cfstream_data;
CFReadStreamRef readStream;
CFWriteStreamRef writeStream;
CFStringRef hostString;
CFOptionFlags readFlags;
CFOptionFlags writeFlags;
int r;
hostString = CFStringCreateWithCString(NULL, hostname, kCFStringEncodingUTF8);
CFStreamCreatePairWithSocketToHost(NULL, hostString, port, &readStream, &writeStream);
CFRelease(hostString);
#if TARGET_OS_IPHONE && !TARGET_IPHONE_SIMULATOR
if (voip_enabled) {
CFReadStreamSetProperty(readStream, kCFStreamNetworkServiceType, kCFStreamNetworkServiceTypeVoIP);
CFWriteStreamSetProperty(writeStream, kCFStreamNetworkServiceType, kCFStreamNetworkServiceTypeVoIP);
}
#endif
cfstream_data = cfstream_data_new(readStream, writeStream);
s = mailstream_low_new(cfstream_data, mailstream_cfstream_driver);
mailstream_low_set_timeout(s, timeout);
//fprintf(stderr, "open %s %i -> %p\n", hostname, port, s);
/* setup streams */
cfstream_data->streamContext.info = s;
readFlags = kCFStreamEventOpenCompleted |
kCFStreamEventHasBytesAvailable |
kCFStreamEventErrorOccurred |
kCFStreamEventEndEncountered;
writeFlags = kCFStreamEventOpenCompleted |
kCFStreamEventCanAcceptBytes |
kCFStreamEventErrorOccurred |
kCFStreamEventEndEncountered;
CFReadStreamSetClient(cfstream_data->readStream, readFlags, readStreamCallback, &cfstream_data->streamContext);
CFWriteStreamSetClient(cfstream_data->writeStream, writeFlags, writeStreamCallback, &cfstream_data->streamContext);
CFRelease(readStream);
CFRelease(writeStream);
readStream = NULL;
writeStream = NULL;
/* setup cancel */
cfstream_data->cancelContext.info = s;
cfstream_data->cancelContext.perform = cancelPerform;
cfstream_data->cancelSource = CFRunLoopSourceCreate(NULL, 0, &cfstream_data->cancelContext);
r = low_open(s);
if (r < 0) {
mailstream_low_cfstream_close(s);
return NULL;
}
return s;
#else
return NULL;
#endif
}
bool wxApp::Initialize(int& argc, wxChar **argv)
{
// Mac-specific
#if __WXDEBUG__
InstallDebugAssertOutputHandler ( NewDebugAssertOutputHandlerUPP( wxMacAssertOutputHandler ) );
#endif
UMAInitToolbox( 4, sm_isEmbedded ) ;
SetEventMask( everyEvent ) ;
UMAShowWatchCursor() ;
#ifndef __DARWIN__
# if __option(profile)
ProfilerInit( collectDetailed, bestTimeBase , 40000 , 50 ) ;
# endif
#endif
#ifndef __DARWIN__
// now avoid exceptions thrown for new (bad_alloc)
// FIXME CS for some changes outside wxMac does not compile anymore
#if 0
std::__throws_bad_alloc = 0 ;
#endif
#endif
s_macCursorRgn = ::NewRgn() ;
// Mac OS X passes a process serial number command line argument when
// the application is launched from the Finder. This argument must be
// removed from the command line arguments before being handled by the
// application (otherwise applications would need to handle it)
if ( argc > 1 )
{
static const wxChar *ARG_PSN = _T("-psn_");
if ( wxStrncmp(argv[1], ARG_PSN, wxStrlen(ARG_PSN)) == 0 )
{
// remove this argument
--argc;
memmove(argv + 1, argv + 2, argc * sizeof(char *));
}
}
if ( !wxAppBase::Initialize(argc, argv) )
return false;
#if wxUSE_INTL
wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
#endif
#if TARGET_API_MAC_OSX
// these might be the startup dirs, set them to the 'usual' dir containing the app bundle
wxString startupCwd = wxGetCwd() ;
if ( startupCwd == wxT("/") || startupCwd.Right(15) == wxT("/Contents/MacOS") )
{
CFURLRef url = CFBundleCopyBundleURL(CFBundleGetMainBundle() ) ;
CFURLRef urlParent = CFURLCreateCopyDeletingLastPathComponent( kCFAllocatorDefault , url ) ;
CFRelease( url ) ;
CFStringRef path = CFURLCopyFileSystemPath ( urlParent , kCFURLPOSIXPathStyle ) ;
CFRelease( urlParent ) ;
wxString cwd = wxMacCFStringHolder(path).AsString(wxLocale::GetSystemEncoding());
wxSetWorkingDirectory( cwd ) ;
}
#endif
wxMacCreateNotifierTable() ;
#ifdef __WXMAC_OSX__
/* connect posted events to common-mode run loop so that wxPostEvent events
are handled even while we're in the menu or on a scrollbar */
CFRunLoopSourceContext event_posted_context = {0};
event_posted_context.perform = macPostedEventCallback;
m_macEventPosted = CFRunLoopSourceCreate(NULL,0,&event_posted_context);
CFRunLoopAddSource(CFRunLoopGetCurrent(), m_macEventPosted, kCFRunLoopCommonModes);
#endif
UMAShowArrowCursor() ;
return true;
}
int DeviceManagerThread::Run()
{
SetThreadName("OVR::DeviceManagerThread");
LogText("OVR::DeviceManagerThread - running (ThreadId=0x%p).\n", GetThreadId());
// Store out the run loop ref.
RunLoop = CFRunLoopGetCurrent();
// Create a 'source' to enable us to signal the run loop to process the command queue.
CFRunLoopSourceContext sourceContext;
memset(&sourceContext, 0, sizeof(sourceContext));
sourceContext.version = 0;
sourceContext.info = this;
sourceContext.perform = &staticCommandQueueSourceCallback;
CommandQueueSource = CFRunLoopSourceCreate(kCFAllocatorDefault, 0 , &sourceContext);
CFRunLoopAddSource(RunLoop, CommandQueueSource, kCFRunLoopDefaultMode);
// Signal to the parent thread that initialization has finished.
StartupEvent.SetEvent();
ThreadCommand::PopBuffer command;
while(!IsExiting())
{
// PopCommand will reset event on empty queue.
if (PopCommand(&command))
{
command.Execute();
}
else
{
SInt32 exitReason = 0;
do {
UInt32 waitMs = INT_MAX;
// If devices have time-dependent logic registered, get the longest wait
// allowed based on current ticks.
if (!TicksNotifiers.IsEmpty())
{
UInt64 ticksMks = Timer::GetTicks();
UInt32 waitAllowed;
for (UPInt j = 0; j < TicksNotifiers.GetSize(); j++)
{
waitAllowed = (UInt32)(TicksNotifiers[j]->OnTicks(ticksMks) / Timer::MksPerMs);
if (waitAllowed < waitMs)
waitMs = waitAllowed;
}
}
// Enter blocking run loop. We may continue until we timeout in which
// case it's time to service the ticks. Or if commands arrive in the command
// queue then the source callback will call 'CFRunLoopStop' causing this
// to return.
CFTimeInterval blockInterval = 0.001 * (double) waitMs;
exitReason = CFRunLoopRunInMode(kCFRunLoopDefaultMode, blockInterval, false);
if (exitReason == kCFRunLoopRunFinished)
{
// Maybe this will occur during shutdown?
break;
}
else if (exitReason == kCFRunLoopRunStopped )
{
// Commands need processing or we're being shutdown.
break;
}
else if (exitReason == kCFRunLoopRunTimedOut)
{
// Timed out so that we can service our ticks callbacks.
continue;
}
else if (exitReason == kCFRunLoopRunHandledSource)
{
// Should never occur since the last param when we call
// 'CFRunLoopRunInMode' is false.
OVR_ASSERT(false);
break;
}
else
{
OVR_ASSERT_LOG(false, ("CFRunLoopRunInMode returned unexpected code"));
break;
}
}
while(true);
}
}
CFRunLoopRemoveSource(RunLoop, CommandQueueSource, kCFRunLoopDefaultMode);
CFRelease(CommandQueueSource);
LogText("OVR::DeviceManagerThread - exiting (ThreadId=0x%p).\n", GetThreadId());
return 0;
}
/* CF_EXPORT */ void
CFNetServiceBrowserStopSearch(CFNetServiceBrowserRef b, CFStreamError* error) {
__CFNetServiceBrowser* browser = (__CFNetServiceBrowser*)b;
// By default, the error is marked as a cancel
CFStreamError extra = {kCFStreamErrorDomainNetServices , kCFNetServicesErrorCancel};
// Make sure error has a value.
if (!error)
error = &extra;
// Lock down the browser
__CFSpinLock(&(browser->_lock));
// Make sure there is something to cancel.
if (browser->_trigger) {
CFRunLoopSourceContext ctxt = {
0, // version
browser, // info
NULL, // retain
NULL, // release
NULL, // copyDescription
NULL, // equal
NULL, // hash
NULL, // schedule
NULL, // cancel
(void(*)(void*))(&_BrowserCancel) // perform
};
// Remove the trigger from run loops and modes
_CFTypeUnscheduleFromMultipleRunLoops(browser->_trigger, browser->_schedules);
// Go ahead and invalidate the trigger
_CFTypeInvalidate(browser->_trigger);
// Release the trigger now.
CFRelease(browser->_trigger);
// Need to clean up the service discovery stuff if there is
if (browser->_browse) {
// Release the underlying service discovery reference
DNSServiceRefDeallocate(browser->_browse);
browser->_browse = NULL;
// Dump all the lists of items.
CFDictionaryRemoveAllValues(browser->_found);
CFArrayRemoveAllValues(browser->_adds);
CFArrayRemoveAllValues(browser->_removes);
}
// Copy the error into place
memmove(&(browser->_error), error, sizeof(error[0]));
// Create the cancel source
browser->_trigger = CFRunLoopSourceCreate(CFGetAllocator(browser), 0, &ctxt);
// If the cancel was created, need to schedule and signal it.
if (browser->_trigger) {
CFArrayRef schedules = browser->_schedules;
CFIndex i, count = CFArrayGetCount(schedules);
// Schedule the new trigger
_CFTypeScheduleOnMultipleRunLoops(browser->_trigger, schedules);
// Signal the cancel for immediate attention.
CFRunLoopSourceSignal((CFRunLoopSourceRef)(browser->_trigger));
// Make sure the signal can make it through
for (i = 0; i < count; i += 2) {
// Grab the run loop for checking
CFRunLoopRef runloop = (CFRunLoopRef)CFArrayGetValueAtIndex(schedules, i);
// If it's sleeping, need to further check it.
if (CFRunLoopIsWaiting(runloop)) {
// Grab the mode for further check
CFStringRef mode = CFRunLoopCopyCurrentMode(runloop);
if (mode) {
// If the trigger is in the right mode, need to wake up the run loop.
if (CFRunLoopContainsSource(runloop, (CFRunLoopSourceRef)(browser->_trigger), mode)) {
CFRunLoopWakeUp(runloop);
}
// Don't need this anymore.
CFRelease(mode);
}
}
}
}
}
// Unlock the browser
__CFSpinUnlock(&(browser->_lock));
}
