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root/cebix/BasiliskII/src/MacOSX/sys_darwin.cpp

Comparing BasiliskII/src/MacOSX/sys_darwin.cpp (file contents):
Revision 1.9 by gbeauche, 2006-05-08T12:15:58Z vs.
Revision 1.15 by asvitkine, 2008-07-20T07:38:27Z

#	Line 7 | Line 7
7		*
8		*      Based on Apple's CDROMSample.c and Evan Jones' cd-discid.c patches
9		*
10	<	*  Basilisk II (C) 1997-2005 Christian Bauer
10	>	*  Basilisk II (C) 1997-2008 Christian Bauer
11		*
12		*  This program is free software; you can redistribute it and/or modify
13		*  it under the terms of the GNU General Public License as published by
#	Line 48 | Line 48
48
49
50		// Global variables
51	<	static CFRunLoopRef media_poll_loop = NULL;
51	>	static volatile CFRunLoopRef media_poll_loop = NULL;
52		static bool media_thread_active = false;
53		static pthread_t media_thread;
54
#	Line 78 | Line 78 | void DarwinSysInit(void)
78		void DarwinSysExit(void)
79		{
80		// Stop media poll thread
81	<	if (media_poll_loop)
81	>	if (media_thread_active) {
82	>	while (media_poll_loop == NULL || !CFRunLoopIsWaiting(media_poll_loop))
83	>	usleep(0);
84		CFRunLoopStop(media_poll_loop);
83	–	if (media_thread_active)
85		pthread_join(media_thread, NULL);
86	+	media_poll_loop = NULL;
87	+	media_thread_active = false;
88	+	}
89		}
90
91
#	Line 115 | Line 119 | static kern_return_t get_device_path(io_
119		static void media_arrived(int type, io_iterator_t iterator)
120		{
121		io_object_t obj;
122	<	while ((obj = IOIteratorNext(iterator)) != NULL) {
122	>	while ((obj = IOIteratorNext(iterator))) {
123		char path[MAXPATHLEN];
124		kern_return_t kernResult = get_device_path(obj, path, sizeof(path));
125		if (kernResult == KERN_SUCCESS) {
#	Line 137 | Line 141 | static void media_arrived(int type, io_i
141		static void media_removed(int type, io_iterator_t iterator)
142		{
143		io_object_t obj;
144	<	while ((obj = IOIteratorNext(iterator)) != NULL) {
144	>	while ((obj = IOIteratorNext(iterator))) {
145		char path[MAXPATHLEN];
146		kern_return_t kernResult = get_device_path(obj, path, sizeof(path));
147		if (kernResult == KERN_SUCCESS) {
#	Line 154 | Line 158 | static void media_removed(int type, io_i
158
159		/*
160		*  Media poll function
161	+	*
162	+	*  NOTE: to facilitate orderly thread termination, media_poll_func MUST end up waiting in CFRunLoopRun.
163	+	*  Early returns must be avoided, even if there is nothing useful to be done here. See DarwinSysExit.
164		*/
165
166	+	static void dummy(void *) { };  // stub for dummy runloop source
167	+
168		static void *media_poll_func(void *)
169		{
170		media_poll_loop = CFRunLoopGetCurrent();
171
172		mach_port_t masterPort;
173	<	kern_return_t kernResult = IOMasterPort(bootstrap_port, &masterPort);
174	<	if (kernResult != KERN_SUCCESS) {
175	<	fprintf(stderr, "IOMasterPort() returned %d\n", kernResult);
176	<	return NULL;
168	<	}
173	>	kern_return_t kernResult;
174	>	CFMutableDictionaryRef matchingDictionary;
175	>	CFRunLoopSourceRef loopSource = NULL;
176	>	CFRunLoopSourceRef dummySource = NULL;
177
178	<	CFMutableDictionaryRef matchingDictionary = IOServiceMatching(kIOCDMediaClass);
179	<	if (matchingDictionary == NULL) {
178	>	if ((kernResult = IOMasterPort(bootstrap_port, &masterPort)) != KERN_SUCCESS)
179	>	fprintf(stderr, "IOMasterPort() returned %d\n", kernResult);
180	>	else if ((matchingDictionary = IOServiceMatching(kIOCDMediaClass)) == NULL)
181		fprintf(stderr, "IOServiceMatching() returned a NULL dictionary\n");
182	<	return NULL;
182	>	else {
183	>	matchingDictionary = (CFMutableDictionaryRef)CFRetain(matchingDictionary);
184	>	IONotificationPortRef notificationPort = IONotificationPortCreate(kIOMasterPortDefault);
185	>	loopSource = IONotificationPortGetRunLoopSource(notificationPort);
186	>	CFRunLoopAddSource(media_poll_loop, loopSource, kCFRunLoopDefaultMode);
187	>
188	>	io_iterator_t mediaArrivedIterator;
189	>	kernResult = IOServiceAddMatchingNotification(notificationPort,
190	>	kIOMatchedNotification,
191	>	matchingDictionary,
192	>	(IOServiceMatchingCallback)media_arrived,
193	>	(void *)MEDIA_CD, &mediaArrivedIterator);
194	>	if (kernResult != KERN_SUCCESS)
195	>	fprintf(stderr, "IOServiceAddMatchingNotification() returned %d\n", kernResult);
196	>	media_arrived(MEDIA_CD, mediaArrivedIterator);
197	>
198	>	io_iterator_t mediaRemovedIterator;
199	>	kernResult = IOServiceAddMatchingNotification(notificationPort,
200	>	kIOTerminatedNotification,
201	>	matchingDictionary,
202	>	(IOServiceMatchingCallback)media_removed,
203	>	(void *)MEDIA_CD, &mediaRemovedIterator);
204	>	if (kernResult != KERN_SUCCESS)
205	>	fprintf(stderr, "IOServiceAddMatchingNotification() returned %d\n", kernResult);
206	>	media_removed(MEDIA_CD, mediaRemovedIterator);
207		}
175	–	matchingDictionary = (CFMutableDictionaryRef)CFRetain(matchingDictionary);
208
209	<	IONotificationPortRef notificationPort = IONotificationPortCreate(kIOMasterPortDefault);
210	<	CFRunLoopAddSource(media_poll_loop,
211	<	IONotificationPortGetRunLoopSource(notificationPort),
212	<	kCFRunLoopDefaultMode);
213	<
214	<	io_iterator_t mediaArrivedIterator;
183	<	kernResult = IOServiceAddMatchingNotification(notificationPort,
184	<	kIOMatchedNotification,
185	<	matchingDictionary,
186	<	(IOServiceMatchingCallback)media_arrived,
187	<	(void *)MEDIA_CD, &mediaArrivedIterator);
188	<	if (kernResult != KERN_SUCCESS)
189	<	fprintf(stderr, "IOServiceAddMatchingNotification() returned %d\n", kernResult);
190	<	media_arrived(MEDIA_CD, mediaArrivedIterator);
191	<
192	<	io_iterator_t mediaRemovedIterator;
193	<	kernResult = IOServiceAddMatchingNotification(notificationPort,
194	<	kIOTerminatedNotification,
195	<	matchingDictionary,
196	<	(IOServiceMatchingCallback)media_removed,
197	<	(void *)MEDIA_CD, &mediaRemovedIterator);
198	<	if (kernResult != KERN_SUCCESS)
199	<	fprintf(stderr, "IOServiceAddMatchingNotification() returned %d\n", kernResult);
200	<	media_removed(MEDIA_CD, mediaRemovedIterator);
209	>	if (loopSource == NULL) {
210	>	// add a dummy runloop source to prevent premature return from CFRunLoopRun
211	>	CFRunLoopSourceContext context = { 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, dummy };
212	>	dummySource = CFRunLoopSourceCreate(NULL, 0, &context);
213	>	CFRunLoopAddSource(media_poll_loop, dummySource, kCFRunLoopDefaultMode);
214	>	}
215
216		CFRunLoopRun();
217	+
218	+	if (dummySource != NULL)
219	+	CFRelease(dummySource);
220		return NULL;
221		}
222
#	Line 236 | Line 253 | void DarwinAddFloppyPrefs(void)
253		return;
254		}
255
239	–
256		// Iterate through each floppy
257		while ( nextFloppy = IOIteratorNext(allFloppies))
258		{
259		char            bsdPath[MAXPATHLEN];
244	–	CFTypeRef       bsdPathAsCFString =
245	–	IORegistryEntryCreateCFProperty(nextFloppy,
246	–	CFSTR(kIOBSDNameKey),
247	–	kCFAllocatorDefault, 0);
260		long            size;
261		CFTypeRef       sizeAsCFNumber =
262		IORegistryEntryCreateCFProperty(nextFloppy,
#	Line 261 | Line 273 | void DarwinAddFloppyPrefs(void)
273		continue;
274		}
275		}
276	<	else
277	<	bug("Couldn't get kIOMediaSizeKey of device");
278	<
279	<
268	<	*bsdPath = '\0';
269	<	if ( bsdPathAsCFString )
270	<	{
271	<	size_t devPathLength;
272	<
273	<	strcpy(bsdPath, "/dev/");
274	<	devPathLength = strlen(bsdPath);
275	<
276	<	if ( CFStringGetCString((const __CFString *)bsdPathAsCFString,
277	<	bsdPath + devPathLength,
278	<	MAXPATHLEN - devPathLength,
279	<	kCFStringEncodingASCII) )
280	<	{
281	<	D(bug("Floppy BSD path: %s\n", bsdPath));
282	<	PrefsAddString("floppy", bsdPath);
283	<	}
284	<	else
285	<	D(bug("Could not get BSD device path for floppy\n"));
276	>	else {
277	>	D(puts("Couldn't get kIOMediaSizeKey of device"));
278	>	continue; // if kIOMediaSizeKey is unavailable, we shouldn't use it anyway
279	>	}
280
281	<	CFRelease(bsdPathAsCFString);
281	>	if (get_device_path(nextFloppy, bsdPath, sizeof(bsdPath)) == KERN_SUCCESS) {
282	>	PrefsAddString("floppy", bsdPath);
283	>	} else {
284	>	D(bug("Could not get BSD device path for floppy\n"));
285		}
289	–	else
290	–	D(bug("Cannot determine bsdPath for floppy\n"));
286		}
287
288		IOObjectRelease(nextFloppy);

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