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root/cebix/BasiliskII/src/Unix/sys_unix.cpp

Comparing BasiliskII/src/Unix/sys_unix.cpp (file contents):
Revision 1.1 by cebix, 1999-10-03T14:16:25Z vs.
Revision 1.30 by gbeauche, 2008-01-01T09:40:33Z

#	Line 1 | Line 1
1		/*
2		*  sys_unix.cpp - System dependent routines, Unix implementation
3		*
4	<	*  Basilisk II (C) 1997-1999 Christian Bauer
4	>	*  Basilisk II (C) 1997-2008 Christian Bauer
5		*
6		*  This program is free software; you can redistribute it and/or modify
7		*  it under the terms of the GNU General Public License as published by
#	Line 24 | Line 24
24		#include <sys/stat.h>
25		#include <errno.h>
26
27	+	#ifdef HAVE_AVAILABILITYMACROS_H
28	+	#include <AvailabilityMacros.h>
29	+	#endif
30	+
31		#ifdef __linux__
32	+	#include <sys/mount.h>
33		#include <linux/cdrom.h>
34		#include <linux/fd.h>
35		#include <linux/major.h>
36		#include <linux/kdev_t.h>
37	<	#include <linux/unistd.h>
33	<
34	<	#ifdef __NR__llseek
35	<	_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, loff_t *, res, uint, wh);
36	<	#else
37	<	static int _llseek(uint fd, ulong hi, ulong lo, loff_t *res, uint wh)
38	<	{
39	<	if (hi)
40	<	return -1;
41	<	*res = lseek(fd, lo, wh);
42	<	if (*res == -1)
43	<	return -1;
44	<	return 0;
45	<	}
46	<	#endif
37	>	#include <dirent.h>
38		#endif
39
40	<	#ifdef __FreeBSD__
40	>	#if defined(__FreeBSD__) || defined(__NetBSD__)
41		#include <sys/cdio.h>
42		#endif
43
44	+	#if defined __APPLE__ && defined __MACH__
45	+	#include <sys/disk.h>
46	+	#if (defined AQUA || defined HAVE_FRAMEWORK_COREFOUNDATION)
47	+	#ifndef __MACOSX__
48	+	#define __MACOSX__ MAC_OS_X_VERSION_MIN_REQUIRED
49	+	#endif
50	+	#endif
51	+	#endif
52	+
53		#include "main.h"
54		#include "macos_util.h"
55		#include "prefs.h"
#	Line 62 | Line 62 | static int _llseek(uint fd, ulong hi, ul
62
63		// File handles are pointers to these structures
64		struct file_handle {
65	<	char *name;             // Copy of device/file name
65	>	char *name;                     // Copy of device/file name
66		int fd;
67		bool is_file;           // Flag: plain file or /dev/something?
68		bool is_floppy;         // Flag: floppy device
#	Line 70 | Line 70 | struct file_handle {
70		bool read_only;         // Copy of Sys_open() flag
71		loff_t start_byte;      // Size of file header (if any)
72		loff_t file_size;       // Size of file data (only valid if is_file is true)
73	+	bool is_media_present;          // Flag: media is inserted and available
74
75		#if defined(__linux__)
76		int cdrom_cap;          // CD-ROM capability flags (only valid if is_cdrom is true)
77		#elif defined(__FreeBSD__)
78		struct ioc_capability cdrom_cap;
79	+	#elif defined(__APPLE__) && defined(__MACH__)
80	+	char    *ioctl_name;    // For CDs on OS X - a device for special ioctls
81	+	int             ioctl_fd;
82		#endif
83		};
84
85	+	// Open file handles
86	+	struct open_file_handle {
87	+	file_handle *fh;
88	+	open_file_handle *next;
89	+	};
90	+	static open_file_handle *open_file_handles = NULL;
91	+
92		// File handle of first floppy drive (for SysMountFirstFloppy())
93		static file_handle *first_floppy = NULL;
94
95	+	// Prototypes
96	+	static void cdrom_close(file_handle *fh);
97	+	static bool cdrom_open(file_handle *fh, const char *path = NULL);
98	+
99
100		/*
101		*  Initialization
#	Line 88 | Line 103 | static file_handle *first_floppy = NULL;
103
104		void SysInit(void)
105		{
106	+	#if defined __MACOSX__
107	+	extern void DarwinSysInit(void);
108	+	DarwinSysInit();
109	+	#endif
110		}
111
112
#	Line 97 | Line 116 | void SysInit(void)
116
117		void SysExit(void)
118		{
119	+	#if defined __MACOSX__
120	+	extern void DarwinSysExit(void);
121	+	DarwinSysExit();
122	+	#endif
123	+	}
124	+
125	+
126	+	/*
127	+	*  Manage open file handles
128	+	*/
129	+
130	+	static void sys_add_file_handle(file_handle *fh)
131	+	{
132	+	open_file_handle *p = new open_file_handle;
133	+	p->fh = fh;
134	+	p->next = open_file_handles;
135	+	open_file_handles = p;
136	+	}
137	+
138	+	static void sys_remove_file_handle(file_handle *fh)
139	+	{
140	+	open_file_handle *p = open_file_handles;
141	+	open_file_handle *q = NULL;
142	+
143	+	while (p) {
144	+	if (p->fh == fh) {
145	+	if (q)
146	+	q->next = p->next;
147	+	else
148	+	open_file_handles = p->next;
149	+	delete p;
150	+	break;
151	+	}
152	+	q = p;
153	+	p = p->next;
154	+	}
155	+	}
156	+
157	+
158	+	/*
159	+	*  Account for media that has just arrived
160	+	*/
161	+
162	+	void SysMediaArrived(const char *path, int type)
163	+	{
164	+	// Replace the "cdrom" entry (we are polling, it's unique)
165	+	if (type == MEDIA_CD && !PrefsFindBool("nocdrom"))
166	+	PrefsReplaceString("cdrom", path);
167	+
168	+	// Wait for media to be available for reading
169	+	if (open_file_handles) {
170	+	const int MAX_WAIT = 5;
171	+	for (int i = 0; i < MAX_WAIT; i++) {
172	+	if (access(path, R_OK) == 0)
173	+	break;
174	+	switch (errno) {
175	+	case ENOENT: // Unlikely
176	+	case EACCES: // MacOS X is mounting the media
177	+	sleep(1);
178	+	continue;
179	+	}
180	+	printf("WARNING: Cannot access %s (%s)\n", path, strerror(errno));
181	+	return;
182	+	}
183	+	}
184	+
185	+	for (open_file_handle *p = open_file_handles; p != NULL; p = p->next) {
186	+	file_handle * const fh = p->fh;
187	+
188	+	// Re-open CD-ROM device
189	+	if (fh->is_cdrom && type == MEDIA_CD) {
190	+	cdrom_close(fh);
191	+	if (cdrom_open(fh, path)) {
192	+	fh->is_media_present = true;
193	+	MountVolume(fh);
194	+	}
195	+	}
196	+	}
197	+	}
198	+
199	+
200	+	/*
201	+	*  Account for media that has just been removed
202	+	*/
203	+
204	+	void SysMediaRemoved(const char *path, int type)
205	+	{
206	+	if ((type & MEDIA_REMOVABLE) != MEDIA_CD)
207	+	return;
208	+
209	+	for (open_file_handle *p = open_file_handles; p != NULL; p = p->next) {
210	+	file_handle * const fh = p->fh;
211	+
212	+	// Mark media as not available
213	+	if (!fh->is_cdrom || !fh->is_media_present)
214	+	continue;
215	+	if (fh->name && strcmp(fh->name, path) == 0) {
216	+	fh->is_media_present = false;
217	+	break;
218	+	}
219	+	#if defined __MACOSX__
220	+	if (fh->ioctl_name && strcmp(fh->ioctl_name, path) == 0) {
221	+	fh->is_media_present = false;
222	+	break;
223	+	}
224	+	#endif
225	+	}
226		}
227
228
#	Line 119 | Line 245 | void SysMountFirstFloppy(void)
245		void SysAddFloppyPrefs(void)
246		{
247		#if defined(__linux__)
248	<	PrefsAddString("floppy", "/dev/fd0H1440");
249	<	PrefsAddString("floppy", "/dev/fd1H1440");
248	>	DIR *fd_dir = opendir("/dev/floppy");
249	>	if (fd_dir) {
250	>	struct dirent *floppy_dev;
251	>	while ((floppy_dev = readdir(fd_dir)) != NULL) {
252	>	if (strstr(floppy_dev->d_name, "u1440") != NULL) {
253	>	char fd_dev[20];
254	>	sprintf(fd_dev, "/dev/floppy/%s", floppy_dev->d_name);
255	>	PrefsAddString("floppy", fd_dev);
256	>	}
257	>	}
258	>	closedir(fd_dir);
259	>	} else {
260	>	PrefsAddString("floppy", "/dev/fd0");
261	>	PrefsAddString("floppy", "/dev/fd1");
262	>	}
263	>	#elif defined(__NetBSD__)
264	>	PrefsAddString("floppy", "/dev/fd0a");
265	>	PrefsAddString("floppy", "/dev/fd1a");
266	>	#elif defined(__APPLE__) && defined(__MACH__)
267	>	#if defined(AQUA) || defined(HAVE_FRAMEWORK_COREFOUNDATION)
268	>	extern  void DarwinAddFloppyPrefs(void);
269	>
270	>	DarwinAddFloppyPrefs();
271	>	#else
272	>	// Until I can convince the other guys that my Darwin code is useful,
273	>	// we just add something safe (a non-existant device):
274	>	PrefsAddString("floppy", "/dev/null");
275	>	#endif
276		#else
277		PrefsAddString("floppy", "/dev/fd0");
278		PrefsAddString("floppy", "/dev/fd1");
#	Line 131 | Line 283 | void SysAddFloppyPrefs(void)
283		/*
284		*  This gets called when no "disk" prefs items are found
285		*  It scans for available HFS volumes and adds appropriate prefs items
286	+	*      On OS X, we could do the same, but on an OS X machine I think it is
287	+	*      very unlikely that any mounted volumes would contain a system which
288	+	*      is old enough to boot a 68k Mac, so we just do nothing here for now.
289		*/
290
291		void SysAddDiskPrefs(void)
#	Line 142 | Line 297 | void SysAddDiskPrefs(void)
297		while(fgets(line, 255, f)) {
298		// Read line
299		int len = strlen(line);
300	<	if (len == 0)
300	>	if (len == 0 || line[0] == '#')
301		continue;
302		line[len-1] = 0;
303
304		// Parse line
305		char *dev, *mnt_point, *fstype;
306	<	if (sscanf(line, "%s %s %s", &dev, &mnt_point, &fstype) == 3) {
306	>	if (sscanf(line, "%as %as %as", &dev, &mnt_point, &fstype) == 3) {
307		if (strcmp(fstype, "hfs") == 0)
308		PrefsAddString("disk", dev);
309		}
310	+	free(dev); free(mnt_point); free(fstype);
311		}
312		fclose(f);
313		}
#	Line 171 | Line 327 | void SysAddCDROMPrefs(void)
327		return;
328
329		#if defined(__linux__)
330	<	PrefsAddString("cdrom", "/dev/cdrom");
331	<	#elif defined(__FreeBSD__)
330	>	if (access("/dev/.devfsd", F_OK) < 0)
331	>	PrefsAddString("cdrom", "/dev/cdrom");
332	>	else {
333	>	DIR *cd_dir = opendir("/dev/cdroms");
334	>	if (cd_dir) {
335	>	struct dirent *cdrom_dev;
336	>	while ((cdrom_dev = readdir(cd_dir)) != NULL) {
337	>	if (strcmp(cdrom_dev->d_name, ".") != 0 && strcmp(cdrom_dev->d_name, "..") != 0) {
338	>	char cd_dev[20];
339	>	sprintf(cd_dev, "/dev/cdroms/%s", cdrom_dev->d_name);
340	>	PrefsAddString("cdrom", cd_dev);
341	>	}
342	>	}
343	>	closedir(cd_dir);
344	>	}
345	>	}
346	>	#elif defined __MACOSX__
347	>	// There is no predefined path for CD-ROMs on MacOS X. Rather, we
348	>	// define a single fake CD-ROM entry for the emulated MacOS.
349	>	// XXX this means we handle only CD-ROM drive at a time, wherever
350	>	// the disk is, the latest one is used.
351	>	PrefsAddString("cdrom", "/dev/poll/cdrom");
352	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
353		PrefsAddString("cdrom", "/dev/cd0c");
354		#endif
355		}
#	Line 185 | Line 362 | void SysAddCDROMPrefs(void)
362		void SysAddSerialPrefs(void)
363		{
364		#if defined(__linux__)
365	<	PrefsAddString("seriala", "/dev/ttyS0");
366	<	PrefsAddString("serialb", "/dev/ttyS1");
365	>	if (access("/dev/.devfsd", F_OK) < 0) {
366	>	PrefsAddString("seriala", "/dev/ttyS0");
367	>	PrefsAddString("serialb", "/dev/ttyS1");
368	>	} else {
369	>	PrefsAddString("seriala", "/dev/tts/0");
370	>	PrefsAddString("serialb", "/dev/tts/1");
371	>	}
372		#elif defined(__FreeBSD__)
373		PrefsAddString("seriala", "/dev/cuaa0");
374		PrefsAddString("serialb", "/dev/cuaa1");
375	+	#elif defined(__NetBSD__)
376	+	PrefsAddString("seriala", "/dev/tty00");
377	+	PrefsAddString("serialb", "/dev/tty01");
378	+	#elif defined(__APPLE__) && defined(__MACH__)
379	+	#if defined(AQUA) || defined(HAVE_FRAMEWORK_COREFOUNDATION)
380	+	extern  void DarwinAddSerialPrefs(void);
381	+
382	+	DarwinAddSerialPrefs();
383	+	#else
384	+	// Until I can convince the other guys that my Darwin code is useful,
385	+	// we just add something safe (non-existant devices):
386	+	PrefsAddString("seriala", "/dev/null");
387	+	PrefsAddString("serialb", "/dev/null");
388	+	#endif
389	+	#endif
390	+	}
391	+
392	+
393	+	/*
394	+	*  Open CD-ROM device and initialize internal data
395	+	*/
396	+
397	+	static bool cdrom_open_1(file_handle *fh)
398	+	{
399	+	#if defined __MACOSX__
400	+	// In OS X, the device name is OK for sending ioctls to,
401	+	// but not for reading raw CDROM data from.
402	+	// (it seems to have extra data padded in)
403	+	//
404	+	// So, we keep the already opened file handle,
405	+	// and open a slightly different file for CDROM data
406	+	//
407	+	fh->ioctl_fd = fh->fd;
408	+	fh->ioctl_name = fh->name;
409	+	fh->fd = -1;
410	+	fh->name = (char *)malloc(strlen(fh->ioctl_name) + 3);
411	+	if (fh->name) {
412	+	strcpy(fh->name, fh->ioctl_name);
413	+	strcat(fh->name, "s1");
414	+	fh->fd = open(fh->name, O_RDONLY, O_NONBLOCK);
415	+	}
416	+	if (fh->ioctl_fd < 0)
417	+	return false;
418	+	#endif
419	+	return true;
420	+	}
421	+
422	+	bool cdrom_open(file_handle *fh, const char *path)
423	+	{
424	+	if (path)
425	+	fh->name = strdup(path);
426	+	fh->fd = open(fh->name, O_RDONLY, O_NONBLOCK);
427	+	fh->start_byte = 0;
428	+	if (!cdrom_open_1(fh))
429	+	return false;
430	+	return fh->fd >= 0;
431	+	}
432	+
433	+
434	+	/*
435	+	*  Close a CD-ROM device
436	+	*/
437	+
438	+	void cdrom_close(file_handle *fh)
439	+	{
440	+	if (fh->fd >= 0) {
441	+	close(fh->fd);
442	+	fh->fd = -1;
443	+	}
444	+	if (fh->name) {
445	+	free(fh->name);
446	+	fh->name = NULL;
447	+	}
448	+	#if defined __MACOSX__
449	+	if (fh->ioctl_fd >= 0) {
450	+	close(fh->ioctl_fd);
451	+	fh->ioctl_fd = -1;
452	+	}
453	+	if (fh->ioctl_name) {
454	+	free(fh->ioctl_name);
455	+	fh->ioctl_name = NULL;
456	+	}
457		#endif
458		}
459
#	Line 214 | Line 478 | static bool is_drive_mounted(const char
478		// Parse line
479		if (strncmp(line, dev_name, strlen(dev_name)) == 0) {
480		mount_name[0] = 0;
481	<	char dummy[256];
482	<	sscanf(line, "%s %s", dummy, mount_name);
481	>	char *dummy;
482	>	sscanf(line, "%as %s", &dummy, mount_name);
483	>	free(dummy);
484		fclose(f);
485		return true;
486		}
#	Line 234 | Line 499 | static bool is_drive_mounted(const char
499		void *Sys_open(const char *name, bool read_only)
500		{
501		bool is_file = strncmp(name, "/dev/", 5) != 0;
502	<	#ifdef __FreeBSD__
502	>	#if defined(__FreeBSD__)
503		// SCSI                             IDE
504		bool is_cdrom = strncmp(name, "/dev/cd", 7) == 0 || strncmp(name, "/dev/acd", 8) == 0;
505		#else
506		bool is_cdrom = strncmp(name, "/dev/cd", 7) == 0;
507		#endif
508	+	bool is_floppy = strncmp(name, "/dev/fd", 7) == 0;
509	+
510	+	bool is_polled_media = strncmp(name, "/dev/poll/", 10) == 0;
511	+	if (is_floppy) // Floppy open fails if there's no disk inserted
512	+	is_polled_media = true;
513	+
514	+	#if defined __MACOSX__
515	+	// There is no set filename in /dev which is the cdrom,
516	+	// so we have to see if it is any of the devices that we found earlier
517	+	{
518	+	int index = 0;
519	+	const char *str;
520	+	while ((str = PrefsFindString("cdrom", index++)) != NULL) {
521	+	if (is_polled_media || strcmp(str, name) == 0) {
522	+	is_cdrom = true;
523	+	read_only = true;
524	+	break;
525	+	}
526	+	}
527	+	}
528	+	#endif
529
530		D(bug("Sys_open(%s, %s)\n", name, read_only ? "read-only" : "read/write"));
531
#	Line 262 | Line 548 | void *Sys_open(const char *name, bool re
548		}
549
550		// Open file/device
551	<	#ifdef __linux__
551	>	#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__MACOSX__)
552		int fd = open(name, (read_only ? O_RDONLY : O_RDWR) | (is_cdrom ? O_NONBLOCK : 0));
553		#else
554		int fd = open(name, read_only ? O_RDONLY : O_RDWR);
#	Line 272 | Line 558 | void *Sys_open(const char *name, bool re
558		read_only = true;
559		fd = open(name, O_RDONLY);
560		}
561	<	if (fd >= 0) {
561	>	if (fd >= 0 || is_polled_media) {
562		file_handle *fh = new file_handle;
563		fh->name = strdup(name);
564		fh->fd = fd;
565		fh->is_file = is_file;
566		fh->read_only = read_only;
567		fh->start_byte = 0;
568	<	fh->is_floppy = false;
569	<	fh->is_cdrom = false;
568	>	fh->is_floppy = is_floppy;
569	>	fh->is_cdrom = is_cdrom;
570	>	fh->is_media_present = false;
571	>	#if defined __MACOSX__
572	>	fh->ioctl_fd = -1;
573	>	fh->ioctl_name = NULL;
574	>	#endif
575		if (fh->is_file) {
576	+	fh->is_media_present = true;
577		// Detect disk image file layout
578		loff_t size = 0;
287	–	#ifdef __linux__
288	–	_llseek(fh->fd, 0, 0, &size, SEEK_END);
289	–	#else
579		size = lseek(fd, 0, SEEK_END);
291	–	#endif
580		uint8 data[256];
581		lseek(fd, 0, SEEK_SET);
582		read(fd, data, 256);
#	Line 296 | Line 584 | void *Sys_open(const char *name, bool re
584		} else {
585		struct stat st;
586		if (fstat(fd, &st) == 0) {
587	+	fh->is_media_present = true;
588		if (S_ISBLK(st.st_mode)) {
589		fh->is_cdrom = is_cdrom;
590		#if defined(__linux__)
#	Line 319 | Line 608 | void *Sys_open(const char *name, bool re
608		#else
609		fh->cdrom_cap = 0;
610		#endif
611	+	#elif defined(__NetBSD__)
612	+	fh->is_floppy = ((st.st_rdev >> 16) == 2);
613		#endif
614		}
615	+	#if defined __MACOSX__
616	+	if (is_cdrom) {
617	+	fh->is_cdrom = true;
618	+	fh->is_floppy = false;
619	+	if (cdrom_open_1(fh))
620	+	fh->is_media_present = true;
621	+	}
622	+	#endif
623		}
624		}
625		if (fh->is_floppy && first_floppy == NULL)
626		first_floppy = fh;
627	+	sys_add_file_handle(fh);
628		return fh;
629		} else {
630		printf("WARNING: Cannot open %s (%s)\n", name, strerror(errno));
#	Line 343 | Line 643 | void Sys_close(void *arg)
643		if (!fh)
644		return;
645
646	<	close(fh->fd);
646	>	sys_remove_file_handle(fh);
647	>
648	>	if (fh->is_cdrom)
649	>	cdrom_close(fh);
650	>	if (fh->fd >= 0)
651	>	close(fh->fd);
652		if (fh->name)
653		free(fh->name);
654		delete fh;
#	Line 362 | Line 667 | size_t Sys_read(void *arg, void *buffer,
667		return 0;
668
669		// Seek to position
365	–	#ifdef __linux__
366	–	loff_t pos = offset + fh->start_byte, res;
367	–	if (_llseek(fh->fd, pos >> 32, pos, &res, SEEK_SET) < 0)
368	–	return 0;
369	–	#else
670		if (lseek(fh->fd, offset + fh->start_byte, SEEK_SET) < 0)
671		return 0;
372	–	#endif
672
673		// Read data
674		return read(fh->fd, buffer, length);
#	Line 388 | Line 687 | size_t Sys_write(void *arg, void *buffer
687		return 0;
688
689		// Seek to position
391	–	#ifdef __linux__
392	–	loff_t pos = offset + fh->start_byte, res;
393	–	if (_llseek(fh->fd, pos >> 32, pos, &res, SEEK_SET) < 0)
394	–	return 0;
395	–	#else
690		if (lseek(fh->fd, offset + fh->start_byte, SEEK_SET) < 0)
691		return 0;
398	–	#endif
692
693		// Write data
694		return write(fh->fd, buffer, length);
#	Line 415 | Line 708 | loff_t SysGetFileSize(void *arg)
708		if (fh->is_file)
709		return fh->file_size;
710		else {
711	<	#ifdef __linux__
712	<	loff_t pos = 0;
713	<	_llseek(fh->fd, 0, 0, &pos, SEEK_END);
714	<	return pos - fh->start_byte;
711	>	#if defined(__linux__)
712	>	long blocks;
713	>	if (ioctl(fh->fd, BLKGETSIZE, &blocks) < 0)
714	>	return 0;
715	>	D(bug(" BLKGETSIZE returns %d blocks\n", blocks));
716	>	return (loff_t)blocks * 512;
717	>	#elif defined __MACOSX__
718	>	uint32 block_size;
719	>	if (ioctl(fh->ioctl_fd, DKIOCGETBLOCKSIZE, &block_size) < 0)
720	>	return 0;
721	>	D(bug(" DKIOCGETBLOCKSIZE returns %lu bytes\n", (unsigned long)block_size));
722	>	uint64 block_count;
723	>	if (ioctl(fh->ioctl_fd, DKIOCGETBLOCKCOUNT, &block_count) < 0)
724	>	return 0;
725	>	D(bug(" DKIOCGETBLOCKCOUNT returns %llu blocks\n", (unsigned long long)block_count));
726	>	return block_count * block_size;
727		#else
728		return lseek(fh->fd, 0, SEEK_END) - fh->start_byte;
729		#endif
#	Line 438 | Line 743 | void SysEject(void *arg)
743
744		#if defined(__linux__)
745		if (fh->is_floppy) {
746	<	fsync(fh->fd);
747	<	ioctl(fh->fd, FDFLUSH);
748	<	ioctl(fh->fd, FDEJECT);
746	>	if (fh->fd >= 0) {
747	>	fsync(fh->fd);
748	>	ioctl(fh->fd, FDFLUSH);
749	>	ioctl(fh->fd, FDEJECT);
750	>	close(fh->fd);  // Close and reopen so the driver will see the media change
751	>	}
752	>	fh->fd = open(fh->name, fh->read_only ? O_RDONLY : O_RDWR);
753		} else if (fh->is_cdrom) {
754		ioctl(fh->fd, CDROMEJECT);
755		close(fh->fd);  // Close and reopen so the driver will see the media change
756		fh->fd = open(fh->name, O_RDONLY | O_NONBLOCK);
757		}
758	<	#elif defined(__FreeBSD__)
758	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
759		if (fh->is_floppy) {
760		fsync(fh->fd);
452	–	//ioctl(fh->fd, FDFLUSH);
453	–	//ioctl(fh->fd, FDEJECT);
761		} else if (fh->is_cdrom) {
762		ioctl(fh->fd, CDIOCEJECT);
763		close(fh->fd);  // Close and reopen so the driver will see the media change
764		fh->fd = open(fh->name, O_RDONLY | O_NONBLOCK);
765		}
766	+	#elif defined(__APPLE__) && defined(__MACH__)
767	+	if (fh->is_cdrom && fh->is_media_present) {
768	+	close(fh->fd);
769	+	fh->fd = -1;
770	+	if (ioctl(fh->ioctl_fd, DKIOCEJECT) < 0) {
771	+	D(bug(" DKIOCEJECT failed on file %s: %s\n",
772	+	fh->ioctl_name, strerror(errno)));
773	+
774	+	// If we are running MacOS X, the device may be in busy
775	+	// state because the Finder has mounted the disk
776	+	close(fh->ioctl_fd);
777	+	fh->ioctl_fd = -1;
778	+
779	+	// Try to use "diskutil eject" but it can take up to 5
780	+	// seconds to complete
781	+	static const char eject_cmd[] = "/usr/sbin/diskutil eject %s 2>&1 >/dev/null";
782	+	char *cmd = (char *)alloca(strlen(eject_cmd) + strlen(fh->ioctl_name) + 1);
783	+	sprintf(cmd, eject_cmd, fh->ioctl_name);
784	+	system(cmd);
785	+	}
786	+	fh->is_media_present = false;
787	+	}
788		#endif
789		}
790
#	Line 485 | Line 814 | bool SysIsReadOnly(void *arg)
814		if (!fh)
815		return true;
816
817	<	#ifdef __linux__
817	>	#if defined(__linux__)
818		if (fh->is_floppy) {
819	<	struct floppy_drive_struct stat;
820	<	ioctl(fh->fd, FDGETDRVSTAT, &stat);
821	<	return !(stat.flags & FD_DISK_WRITABLE);
819	>	if (fh->fd >= 0) {
820	>	struct floppy_drive_struct stat;
821	>	ioctl(fh->fd, FDGETDRVSTAT, &stat);
822	>	return !(stat.flags & FD_DISK_WRITABLE);
823	>	} else
824	>	return true;
825		} else
826		#endif
827		return fh->read_only;
#	Line 532 | Line 864 | bool SysIsDiskInserted(void *arg)
864		} else if (fh->is_floppy) {
865		char block[512];
866		lseek(fh->fd, 0, SEEK_SET);
867	<	return read(fh->fd, block, 512) == 512;
867	>	ssize_t actual = read(fh->fd, block, 512);
868	>	if (actual < 0) {
869	>	close(fh->fd);  // Close and reopen so the driver will see the media change
870	>	fh->fd = open(fh->name, fh->read_only ? O_RDONLY : O_RDWR);
871	>	actual = read(fh->fd, block, 512);
872	>	}
873	>	return actual == 512;
874		} else if (fh->is_cdrom) {
875	+	#ifdef CDROM_MEDIA_CHANGED
876	+	if (fh->cdrom_cap & CDC_MEDIA_CHANGED) {
877	+	// If we don't do this, all attempts to read from a disc fail
878	+	// once the tray has been opened (altough the TOC reads fine).
879	+	// Can somebody explain this to me?
880	+	if (ioctl(fh->fd, CDROM_MEDIA_CHANGED) == 1) {
881	+	close(fh->fd);
882	+	fh->fd = open(fh->name, O_RDONLY | O_NONBLOCK);
883	+	}
884	+	}
885	+	#endif
886		#ifdef CDROM_DRIVE_STATUS
887		if (fh->cdrom_cap & CDC_DRIVE_STATUS) {
888		return ioctl(fh->fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) == CDS_DISC_OK;
#	Line 541 | Line 890 | bool SysIsDiskInserted(void *arg)
890		#endif
891		cdrom_tochdr header;
892		return ioctl(fh->fd, CDROMREADTOCHDR, &header) == 0;
893	<	#elif defined(__FreeBSD__)
893	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
894		} else if (fh->is_floppy) {
895		return false;   //!!
896		} else if (fh->is_cdrom) {
897		struct ioc_toc_header header;
898		return ioctl(fh->fd, CDIOREADTOCHEADER, &header) == 0;
899	+	#elif defined __MACOSX__
900	+	} else if (fh->is_cdrom || fh->is_floppy) {
901	+	return fh->is_media_present;
902		#endif
903
904		} else
#	Line 581 | Line 933 | void SysAllowRemoval(void *arg)
933		if (!fh)
934		return;
935
936	<	#ifdef defined(__linux__) && defined(CDROM_LOCKDOOR)
936	>	#if defined(__linux__) && defined(CDROM_LOCKDOOR)
937		if (fh->is_cdrom)
938		ioctl(fh->fd, CDROM_LOCKDOOR, 0);
939		#endif
#	Line 645 | Line 997 | bool SysCDReadTOC(void *arg, uint8 *toc)
997		*toc++ = toc_size >> 8;
998		*toc++ = toc_size & 0xff;
999		return true;
1000	+	#elif defined __MACOSX__ && defined MAC_OS_X_VERSION_10_2
1001	+	if (fh->is_media_present) {
1002	+	extern bool DarwinCDReadTOC(char *name, uint8 *toc);
1003	+	return DarwinCDReadTOC(fh->name, toc);
1004	+	}
1005	+	return false;
1006		#elif defined(__FreeBSD__)
1007		uint8 *p = toc + 2;
1008
#	Line 691 | Line 1049 | bool SysCDReadTOC(void *arg, uint8 *toc)
1049		*toc++ = toc_size >> 8;
1050		*toc++ = toc_size & 0xff;
1051		return true;
1052	+	#elif defined(__NetBSD__)
1053	+	uint8 *p = toc + 2;
1054	+
1055	+	// Header
1056	+	struct ioc_toc_header header;
1057	+	if (ioctl(fh->fd, CDIOREADTOCHEADER, &header) < 0)
1058	+	return false;
1059	+	*p++ = header.starting_track;
1060	+	*p++ = header.ending_track;
1061	+
1062	+	// Tracks (this is nice... :-)
1063	+	struct ioc_read_toc_entry entries;
1064	+	entries.address_format = CD_MSF_FORMAT;
1065	+	entries.starting_track = 1;
1066	+	entries.data_len = 800;
1067	+	entries.data = (cd_toc_entry *)p;
1068	+	if (ioctl(fh->fd, CDIOREADTOCENTRIES, &entries) < 0)
1069	+	return false;
1070	+
1071	+	// TOC size
1072	+	int toc_size = p - toc;
1073	+	*toc++ = toc_size >> 8;
1074	+	*toc++ = toc_size & 0xff;
1075	+	return true;
1076	+	#else
1077	+	return false;
1078		#endif
1079		} else
1080		return false;
#	Line 730 | Line 1114 | bool SysCDGetPosition(void *arg, uint8 *
1114		*pos++ = chan.cdsc_reladdr.msf.second;
1115		*pos++ = chan.cdsc_reladdr.msf.frame;
1116		return true;
1117	<	#elif defined(__FreeBSD__)
1117	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
1118		struct ioc_read_subchannel chan;
1119		chan.data_format = CD_MSF_FORMAT;
1120		chan.address_format = CD_MSF_FORMAT;
#	Line 754 | Line 1138 | bool SysCDGetPosition(void *arg, uint8 *
1138		*pos++ = chan.data->what.position.reladdr.msf.second;
1139		*pos++ = chan.data->what.position.reladdr.msf.frame;
1140		return true;
1141	+	#else
1142	+	return false;
1143		#endif
1144		} else
1145		return false;
#	Line 780 | Line 1166 | bool SysCDPlay(void *arg, uint8 start_m,
1166		play.cdmsf_sec1 = end_s;
1167		play.cdmsf_frame1 = end_f;
1168		return ioctl(fh->fd, CDROMPLAYMSF, &play) == 0;
1169	<	#elif defined(__FreeBSD__)
1169	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
1170		struct ioc_play_msf play;
1171		play.start_m = start_m;
1172		play.start_s = start_s;
#	Line 789 | Line 1175 | bool SysCDPlay(void *arg, uint8 start_m,
1175		play.end_s = end_s;
1176		play.end_f = end_f;
1177		return ioctl(fh->fd, CDIOCPLAYMSF, &play) == 0;
1178	+	#else
1179	+	return false;
1180		#endif
1181		} else
1182		return false;
#	Line 808 | Line 1196 | bool SysCDPause(void *arg)
1196		if (fh->is_cdrom) {
1197		#if defined(__linux__)
1198		return ioctl(fh->fd, CDROMPAUSE) == 0;
1199	<	#elif defined(__FreeBSD__)
1199	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
1200		return ioctl(fh->fd, CDIOCPAUSE) == 0;
1201	+	#else
1202	+	return false;
1203		#endif
1204		} else
1205		return false;
#	Line 829 | Line 1219 | bool SysCDResume(void *arg)
1219		if (fh->is_cdrom) {
1220		#if defined(__linux__)
1221		return ioctl(fh->fd, CDROMRESUME) == 0;
1222	<	#elif defined(__FreeBSD__)
1222	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
1223		return ioctl(fh->fd, CDIOCRESUME) == 0;
1224	+	#else
1225	+	return false;
1226		#endif
1227		} else
1228		return false;
#	Line 850 | Line 1242 | bool SysCDStop(void *arg, uint8 lead_out
1242		if (fh->is_cdrom) {
1243		#if defined(__linux__)
1244		return ioctl(fh->fd, CDROMSTOP) == 0;
1245	<	#elif defined(__FreeBSD__)
1245	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
1246		return ioctl(fh->fd, CDIOCSTOP) == 0;
1247	+	#else
1248	+	return false;
1249		#endif
1250		} else
1251		return false;
#	Line 889 | Line 1283 | void SysCDSetVolume(void *arg, uint8 lef
1283		vol.channel0 = vol.channel2 = left;
1284		vol.channel1 = vol.channel3 = right;
1285		ioctl(fh->fd, CDROMVOLCTRL, &vol);
1286	<	#elif defined(__FreeBSD__)
1286	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
1287		struct ioc_vol vol;
1288		vol.vol[0] = vol.vol[2] = left;
1289		vol.vol[1] = vol.vol[3] = right;
#	Line 916 | Line 1310 | void SysCDGetVolume(void *arg, uint8 &le
1310		ioctl(fh->fd, CDROMVOLREAD, &vol);
1311		left = vol.channel0;
1312		right = vol.channel1;
1313	<	#elif defined(__FreeBSD__)
1313	>	#elif defined(__FreeBSD__) || defined(__NetBSD__)
1314		struct ioc_vol vol;
1315		ioctl(fh->fd, CDIOCGETVOL, &vol);
1316		left = vol.vol[0];

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