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

Comparing BasiliskII/src/MacOSX/sys_darwin.cpp (file contents):
Revision 1.7 by gbeauche, 2005-01-30T21:42:13Z vs.
Revision 1.17 by asvitkine, 2012-04-21T16:04:51Z

#	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 31 | Line 31
31		#import <IOKit/serial/IOSerialKeys.h>
32		#import <IOKit/storage/IOMedia.h>
33		#import <IOKit/storage/IOMediaBSDClient.h>
34	<	#ifdef MAC_OS_X_VERSION_10_2
34	>	#ifdef HAVE_IOKIT_STORAGE_IOBLOCKSTORAGEDEVICE_H
35		#import <IOKit/storage/IOBlockStorageDevice.h>
36		#endif
37		#import <IOKit/storage/IOCDMedia.h>
38		#import <IOKit/storage/IOCDMediaBSDClient.h>
39		#import <CoreFoundation/CoreFoundation.h>
40
41	<	#import "sysdeps.h"
41	>	#include "sysdeps.h"
42
43	<	#import "prefs.h"
43	>	#include "sys.h"
44	>	#include "prefs.h"
45
46		#define DEBUG 0
47		#import "debug.h"
48
49
50	+	// Global variables
51	+	static volatile CFRunLoopRef media_poll_loop = NULL;
52	+	static bool media_thread_active = false;
53	+	static pthread_t media_thread;
54	+
55	+	// Prototypes
56	+	static void *media_poll_func(void *);
57	+
58	+	// From sys_unix.cpp
59	+	extern void SysMediaArrived(const char *path, int type);
60	+	extern void SysMediaRemoved(const char *path, int type);
61	+
62
63		/*
64	<	*  This gets called when no "cdrom" prefs items are found
52	<	*  It scans for available CD-ROM drives and adds appropriate prefs items
64	>	*  Initialization
65		*/
66
67	<	void DarwinAddCDROMPrefs(void)
67	>	void DarwinSysInit(void)
68		{
69	<	mach_port_t                             masterPort;     // The way to talk to the kernel
70	<	io_iterator_t                   allCDs;         // List of CD drives on the system
71	<	CFMutableDictionaryRef  classesToMatch;
72	<	io_object_t                             nextCD;
69	>	if (PrefsFindBool("nocdrom")) {
70	>	media_thread_active = (pthread_create(&media_thread, NULL, media_poll_func, NULL) == 0);
71	>	D(bug("Media poll thread installed (%ld)\n", media_thread));
72	>	}
73	>	}
74
75
76	<	// Don't scan for drives if nocdrom option given
77	<	if ( PrefsFindBool("nocdrom") )
78	<	return;
76	>	/*
77	>	*  Deinitialization
78	>	*/
79
80	+	void DarwinSysExit(void)
81	+	{
82	+	// Stop media poll thread
83	+	if (media_thread_active) {
84	+	while (media_poll_loop == NULL || !CFRunLoopIsWaiting(media_poll_loop))
85	+	usleep(0);
86	+	CFRunLoopStop(media_poll_loop);
87	+	pthread_join(media_thread, NULL);
88	+	media_poll_loop = NULL;
89	+	media_thread_active = false;
90	+	}
91	+	}
92
68	–	// Let this task talk to the guts of the kernel:
69	–	if ( IOMasterPort(MACH_PORT_NULL, &masterPort) != KERN_SUCCESS )
70	–	bug("IOMasterPort failed. Won't be able to do anything with CD drives\n");
93
94	+	/*
95	+	*  Get the BSD-style path of specified object
96	+	*/
97
98	<	// CD media are instances of class kIOCDMediaClass
99	<	classesToMatch = IOServiceMatching(kIOCDMediaClass);
100	<	if ( classesToMatch )
101	<	{
102	<	// Narrow the search a little further. Each IOMedia object
103	<	// has a property with key kIOMediaEjectable.  We limit
104	<	// the match only to those CDs that are actually ejectable
105	<	CFDictionarySetValue(classesToMatch,
106	<	CFSTR(kIOMediaEjectableKey), kCFBooleanTrue);
98	>	static kern_return_t get_device_path(io_object_t obj, char *path, size_t maxPathLength)
99	>	{
100	>	kern_return_t kernResult = KERN_FAILURE;
101	>	CFTypeRef pathAsCFString = IORegistryEntryCreateCFProperty(obj, CFSTR(kIOBSDNameKey),
102	>	kCFAllocatorDefault, 0);
103	>	if (pathAsCFString) {
104	>	strcpy(path, "/dev/");
105	>	size_t pathLength = strlen(path);
106	>	if (CFStringGetCString((const __CFString *)pathAsCFString,
107	>	path + pathLength,
108	>	maxPathLength - pathLength,
109	>	kCFStringEncodingASCII))
110	>	kernResult = KERN_SUCCESS;
111	>	CFRelease(pathAsCFString);
112		}
113	+	return kernResult;
114	+	}
115
84	–	if ( IOServiceGetMatchingServices(masterPort,
85	–	classesToMatch, &allCDs) != KERN_SUCCESS )
86	–	{
87	–	D(bug("IOServiceGetMatchingServices failed. No CD media drives found?\n"));
88	–	return;
89	–	}
116
117	+	/*
118	+	*  kIOMatchedNotification handler
119	+	*/
120
121	<	// Iterate through each CD drive
122	<	while ( nextCD = IOIteratorNext(allCDs))
123	<	{
124	<	char            bsdPath[MAXPATHLEN];
125	<	CFTypeRef       bsdPathAsCFString =
126	<	IORegistryEntryCreateCFProperty(nextCD,
127	<	CFSTR(kIOBSDNameKey),
128	<	kCFAllocatorDefault, 0);
129	<	*bsdPath = '\0';
130	<	if ( bsdPathAsCFString )
131	<	{
132	<	size_t devPathLength;
121	>	static void media_arrived(int type, io_iterator_t iterator)
122	>	{
123	>	io_object_t obj;
124	>	while ((obj = IOIteratorNext(iterator))) {
125	>	char path[MAXPATHLEN];
126	>	kern_return_t kernResult = get_device_path(obj, path, sizeof(path));
127	>	if (kernResult == KERN_SUCCESS) {
128	>	D(bug("Media Arrived: %s\n", path));
129	>	SysMediaArrived(path, type);
130	>	}
131	>	kernResult = IOObjectRelease(obj);
132	>	if (kernResult != KERN_SUCCESS) {
133	>	fprintf(stderr, "IOObjectRelease() returned %d\n", kernResult);
134	>	}
135	>	}
136	>	}
137
105	–	strcpy(bsdPath, "/dev/");
106	–	devPathLength = strlen(bsdPath);
138
139	<	if ( CFStringGetCString((const __CFString *)bsdPathAsCFString,
140	<	bsdPath + devPathLength,
141	<	MAXPATHLEN - devPathLength,
111	<	kCFStringEncodingASCII) )
112	<	{
113	<	D(bug("CDROM BSD path: %s\n", bsdPath));
114	<	PrefsAddString("cdrom", bsdPath);
115	<	}
116	<	else
117	<	D(bug("Could not get BSD device path for CD\n"));
139	>	/*
140	>	*  kIOTerminatedNotification handler
141	>	*/
142
143	<	CFRelease(bsdPathAsCFString);
143	>	static void media_removed(int type, io_iterator_t iterator)
144	>	{
145	>	io_object_t obj;
146	>	while ((obj = IOIteratorNext(iterator))) {
147	>	char path[MAXPATHLEN];
148	>	kern_return_t kernResult = get_device_path(obj, path, sizeof(path));
149	>	if (kernResult == KERN_SUCCESS) {
150	>	D(bug("Media Removed: %s\n", path));
151	>	SysMediaRemoved(path, type);
152	>	}
153	>	kernResult = IOObjectRelease(obj);
154	>	if (kernResult != KERN_SUCCESS) {
155	>	fprintf(stderr, "IOObjectRelease() returned %d\n", kernResult);
156		}
121	–	else
122	–	D(bug("Cannot determine bsdPath for CD\n"));
157		}
158	+	}
159	+
160	+
161	+	/*
162	+	*  Media poll function
163	+	*
164	+	*  NOTE: to facilitate orderly thread termination, media_poll_func MUST end up waiting in CFRunLoopRun.
165	+	*  Early returns must be avoided, even if there is nothing useful to be done here. See DarwinSysExit.
166	+	*/
167
168	<	IOObjectRelease(nextCD);
169	<	IOObjectRelease(allCDs);
168	>	static void dummy(void *) { };  // stub for dummy runloop source
169	>
170	>	static void *media_poll_func(void *)
171	>	{
172	>	media_poll_loop = CFRunLoopGetCurrent();
173	>
174	>	mach_port_t masterPort;
175	>	kern_return_t kernResult;
176	>	CFMutableDictionaryRef matchingDictionary;
177	>	CFRunLoopSourceRef loopSource = NULL;
178	>	CFRunLoopSourceRef dummySource = NULL;
179	>
180	>	if ((kernResult = IOMasterPort(bootstrap_port, &masterPort)) != KERN_SUCCESS)
181	>	fprintf(stderr, "IOMasterPort() returned %d\n", kernResult);
182	>	else if ((matchingDictionary = IOServiceMatching(kIOCDMediaClass)) == NULL)
183	>	fprintf(stderr, "IOServiceMatching() returned a NULL dictionary\n");
184	>	else {
185	>	matchingDictionary = (CFMutableDictionaryRef)CFRetain(matchingDictionary);
186	>	IONotificationPortRef notificationPort = IONotificationPortCreate(kIOMasterPortDefault);
187	>	loopSource = IONotificationPortGetRunLoopSource(notificationPort);
188	>	CFRunLoopAddSource(media_poll_loop, loopSource, kCFRunLoopDefaultMode);
189	>
190	>	io_iterator_t mediaArrivedIterator;
191	>	kernResult = IOServiceAddMatchingNotification(notificationPort,
192	>	kIOMatchedNotification,
193	>	matchingDictionary,
194	>	(IOServiceMatchingCallback)media_arrived,
195	>	(void *)MEDIA_CD, &mediaArrivedIterator);
196	>	if (kernResult != KERN_SUCCESS)
197	>	fprintf(stderr, "IOServiceAddMatchingNotification() returned %d\n", kernResult);
198	>	media_arrived(MEDIA_CD, mediaArrivedIterator);
199	>
200	>	io_iterator_t mediaRemovedIterator;
201	>	kernResult = IOServiceAddMatchingNotification(notificationPort,
202	>	kIOTerminatedNotification,
203	>	matchingDictionary,
204	>	(IOServiceMatchingCallback)media_removed,
205	>	(void *)MEDIA_CD, &mediaRemovedIterator);
206	>	if (kernResult != KERN_SUCCESS)
207	>	fprintf(stderr, "IOServiceAddMatchingNotification() returned %d\n", kernResult);
208	>	media_removed(MEDIA_CD, mediaRemovedIterator);
209	>	}
210	>
211	>	if (loopSource == NULL) {
212	>	// add a dummy runloop source to prevent premature return from CFRunLoopRun
213	>	CFRunLoopSourceContext context = { 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, dummy };
214	>	dummySource = CFRunLoopSourceCreate(NULL, 0, &context);
215	>	CFRunLoopAddSource(media_poll_loop, dummySource, kCFRunLoopDefaultMode);
216	>	}
217	>
218	>	CFRunLoopRun();
219	>
220	>	if (dummySource != NULL)
221	>	CFRelease(dummySource);
222	>	return NULL;
223		}
224
225
#	Line 159 | Line 255 | void DarwinAddFloppyPrefs(void)
255		return;
256		}
257
162	–
258		// Iterate through each floppy
259		while ( nextFloppy = IOIteratorNext(allFloppies))
260		{
261		char            bsdPath[MAXPATHLEN];
167	–	CFTypeRef       bsdPathAsCFString =
168	–	IORegistryEntryCreateCFProperty(nextFloppy,
169	–	CFSTR(kIOBSDNameKey),
170	–	kCFAllocatorDefault, 0);
262		long            size;
263		CFTypeRef       sizeAsCFNumber =
264		IORegistryEntryCreateCFProperty(nextFloppy,
#	Line 184 | Line 275 | void DarwinAddFloppyPrefs(void)
275		continue;
276		}
277		}
278	<	else
279	<	bug("Couldn't get kIOMediaSizeKey of device");
280	<
281	<
191	<	*bsdPath = '\0';
192	<	if ( bsdPathAsCFString )
193	<	{
194	<	size_t devPathLength;
195	<
196	<	strcpy(bsdPath, "/dev/");
197	<	devPathLength = strlen(bsdPath);
198	<
199	<	if ( CFStringGetCString((const __CFString *)bsdPathAsCFString,
200	<	bsdPath + devPathLength,
201	<	MAXPATHLEN - devPathLength,
202	<	kCFStringEncodingASCII) )
203	<	{
204	<	D(bug("Floppy BSD path: %s\n", bsdPath));
205	<	PrefsAddString("floppy", bsdPath);
206	<	}
207	<	else
208	<	D(bug("Could not get BSD device path for floppy\n"));
278	>	else {
279	>	D(puts("Couldn't get kIOMediaSizeKey of device"));
280	>	continue; // if kIOMediaSizeKey is unavailable, we shouldn't use it anyway
281	>	}
282
283	<	CFRelease(bsdPathAsCFString);
283	>	if (get_device_path(nextFloppy, bsdPath, sizeof(bsdPath)) == KERN_SUCCESS) {
284	>	PrefsAddString("floppy", bsdPath);
285	>	} else {
286	>	D(bug("Could not get BSD device path for floppy\n"));
287		}
212	–	else
213	–	D(bug("Cannot determine bsdPath for floppy\n"));
288		}
289
290		IOObjectRelease(nextFloppy);

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