_macos.h@ 5300

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1	/* -- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -- */
2	/* *** BEGIN LICENSE BLOCK ***
3	* Version: MPL 1.1/GPL 2.0/LGPL 2.1
4	*
5	* The contents of this file are subject to the Mozilla Public License Version
6	* 1.1 (the "License"); you may not use this file except in compliance with
7	* the License. You may obtain a copy of the License at
8	* http://www.mozilla.org/MPL/
9	*
10	* Software distributed under the License is distributed on an "AS IS" basis,
11	* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12	* for the specific language governing rights and limitations under the
13	* License.
14	*
15	* The Original Code is the Netscape Portable Runtime (NSPR).
16	*
17	* The Initial Developer of the Original Code is
18	* Netscape Communications Corporation.
19	* Portions created by the Initial Developer are Copyright (C) 1998-2000
20	* the Initial Developer. All Rights Reserved.
21	*
22	* Contributor(s):
23	*
24	* Alternatively, the contents of this file may be used under the terms of
25	* either the GNU General Public License Version 2 or later (the "GPL"), or
26	* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27	* in which case the provisions of the GPL or the LGPL are applicable instead
28	* of those above. If you wish to allow use of your version of this file only
29	* under the terms of either the GPL or the LGPL, and not to allow others to
30	* use your version of this file under the terms of the MPL, indicate your
31	* decision by deleting the provisions above and replace them with the notice
32	* and other provisions required by the GPL or the LGPL. If you do not delete
33	* the provisions above, a recipient may use your version of this file under
34	* the terms of any one of the MPL, the GPL or the LGPL.
35	*
36	* *** END LICENSE BLOCK *** */
37
38	#ifndef prmacos_h___
39	#define prmacos_h___
40
41	//
42	// This file contains all changes and additions which need to be made to the NSPR runtime
43	// for the Macintosh platform (specifically the Metrowerks environment). This file should
44	// only be incluced in Macintosh builds.
45	//
46
47	#define PR_DLL_SUFFIX ""
48	#define _PR_LOCAL_THREADS_ONLY
49	#define _PR_NO_PREEMPT 1
50	#define _PR_HAVE_ATOMIC_OPS 1
51
52	#include "prinit.h"
53	#include "prio.h"
54	#include "prlong.h"
55	#include "prlock.h"
56	#include "prcvar.h"
57	#include "prsem.h"
58	#include "prthread.h"
59	#include "prtime.h"
60	#include "prproces.h"
61
62	#if !defined(MAC_NSPR_STANDALONE)
63	#include "macstdlibextras.h"
64	#endif
65
66	#include <stddef.h>
67	#include <setjmp.h>
68
69	#include <Errors.h>
70	#include <OpenTransport.h>
71	#include <DriverServices.h>
72
73	#define _PR_HAVE_PEEK_BUFFER
74	#define _PR_PEEK_BUFFER_MAX (16 * 1024)
75	#define _PR_FD_NEED_EMULATE_MSG_PEEK(fd) 1
76
77	struct _MDProcess {
78	PRInt8 notused;
79	};
80
81	struct _MDThread {
82	jmp_buf jb;
83	int osErrCode;
84	PRLock * asyncIOLock;
85	PRCondVar * asyncIOCVar;
86	PRBool missedIONotify;
87	PRBool missedAsyncNotify;
88	PRBool asyncNotifyPending;
89	};
90
91	struct _MDThreadStack {
92	PRInt8 notused;
93	};
94
95	struct _MDLock {
96	PRInt8 notused;
97	};
98
99	struct _MDCVar {
100	PRInt8 notused;
101	};
102
103	struct _MDSemaphore {
104	PRInt8 notused;
105	};
106
107	struct _MDSegment {
108	PRInt8 notused;
109	};
110
111	struct _MDCPU {
112	AbsoluteTime lastThreadSwitch;
113	AbsoluteTime lastWakeUpProcess;
114	PRBool trackScheduling;
115	};
116
117	typedef struct _MDSocketCallerInfo {
118	PRThread * thread;
119	void * cookie;
120	} _MDSocketCallerInfo;
121
122	struct _MDFileDesc {
123	PRInt32 osfd;
124	PRPackedBool orderlyDisconnect;
125	PRPackedBool readReady;
126	PRPackedBool writeReady;
127	PRPackedBool exceptReady;
128	PRLock * miscLock;
129
130	/* Server sockets: listen bit tells the notifier func what to do */
131	PRBool doListen;
132
133	/* stored error for non-blocking connects, as a Unix-style error code */
134	OTReason disconnectError;
135
136	_MDSocketCallerInfo misc;
137	_MDSocketCallerInfo read;
138	_MDSocketCallerInfo write;
139	};
140
141	/*
142	** Iinitialization Related definitions
143	*/
144
145	#define _MD_EARLY_INIT _MD_EarlyInit
146	#define _MD_FINAL_INIT _MD_FinalInit
147
148	/*
149	** Interrupts Related definitions
150	*/
151
152	#define _MD_GET_INTSOFF() (_pr_intsOff)
153
154	#define _MD_INTSOFF(_is) \
155	PR_BEGIN_MACRO \
156	ENTER_CRITICAL_REGION(); \
157	(_is) = _PR_MD_GET_INTSOFF(); \
158	_PR_MD_SET_INTSOFF(1); \
159	LEAVE_CRITICAL_REGION(); \
160	PR_END_MACRO
161
162	#if TARGET_CARBON
163	extern void _MD_SetIntsOff(PRInt32 ints);
164	#define _MD_SET_INTSOFF(_val) _MD_SetIntsOff(_val)
165	#else /* not TARGET_CARBON */
166	#define _MD_SET_INTSOFF(_val) (_pr_intsOff = _val)
167	#endif /* TARGET_CARBON */
168
169	#define _MD_START_INTERRUPTS _MD_StartInterrupts
170	#define _MD_STOP_INTERRUPTS _MD_StopInterrupts
171	#define _MD_BLOCK_CLOCK_INTERRUPTS()
172	#define _MD_UNBLOCK_CLOCK_INTERRUPTS()
173	#define _MD_DISABLE_CLOCK_INTERRUPTS()
174	#define _MD_ENABLE_CLOCK_INTERRUPTS()
175
176	/*
177	** CPU Related definitions
178	*/
179
180	#define _MD_PAUSE_CPU _MD_PauseCPU
181	#define _MD_CLEANUP_BEFORE_EXIT()
182	#define _MD_EXIT(status) exit(status)
183	#define _MD_INIT_CPUS()
184	#define _MD_INIT_RUNNING_CPU(cpu) _MD_InitRunningCPU(cpu)
185
186	/*
187	** Process Related definitions
188	*/
189
190	extern struct PRProcess * _MD_CreateProcess(
191	const char *path,
192	char const argv,
193	char const envp,
194	const PRProcessAttr *attr);
195	#define _MD_CREATE_PROCESS _MD_CreateProcess
196
197	extern PRStatus _MD_DetachProcess(PRProcess *process);
198	#define _MD_DETACH_PROCESS _MD_DetachProcess
199
200	extern PRStatus _MD_WaitProcess(PRProcess process, PRInt32 exitCode);
201	#define _MD_WAIT_PROCESS _MD_WaitProcess
202
203	extern PRStatus _MD_KillProcess(PRProcess *process);
204	#define _MD_KILL_PROCESS _MD_KillProcess
205
206	/*
207	** Memory Segments Related definitions
208	*/
209
210	#define _MD_INIT_SEGS()
211
212	/*
213	** Thread Stacks Debugging Related definitions
214	*/
215
216	#define _MD_INIT_STACK _MD_InitStack
217	#define _MD_CLEAR_STACK _MD_ClearStack
218
219	/*
220	** Locks Related definitions
221	*/
222
223	#define _MD_INIT_LOCKS()
224	#define _MD_NEW_LOCK(lock) (PR_SUCCESS)
225	#define _MD_FREE_LOCK(lock)
226	#define _MD_LOCK(lock)
227	#define _MD_UNLOCK(lock)
228
229	/*
230	** Thread Related definitions
231	*/
232
233	NSPR_API(PRThread *) PR_GetPrimaryThread();
234
235	#if defined(powerc) \|\| defined(__powerc)
236	#define _MD_GET_PC(_t) (((PRUint32 )((_t)->md.jb)))
237	#define _MD_GET_SP(_t) (((PRUint32 )((_t)->md.jb) + 2))
238	#define _MD_GET_TOC(_t) (((PRUint32 )((_t)->md.jb) + 3))
239	#define INIT_STACKPTR(stackTop) ((unsigned char*)stackTop - 128)
240	#define PR_NUM_GCREGS 70
241	#else
242	#define _MD_GET_PC(_t) (((PRUint32 )((_t)->md.jb) + 6))
243	#define _MD_GET_SP(_t) (((PRUint32 )((_t)->md.jb) + 12))
244	#define INIT_STACKPTR(stackTop) ((unsigned char*)stackTop - 4)
245	#define PR_NUM_GCREGS 13
246	#endif
247
248	#define _MD_DEFAULT_STACK_SIZE (58 * 1024)
249	#define _MD_MINIMUM_STACK_SIZE (58 * 1024)
250
251	/*
252	** Initialize the thread machine dependent data structure
253	*/
254	extern PRStatus _MD_InitThread(PRThread *thread);
255	#define _MD_INIT_THREAD _MD_InitThread
256
257	/*
258	** Clean-up the thread machine dependent data structure
259	*/
260	#define _MD_CLEAN_THREAD(_thread) \
261	PR_BEGIN_MACRO \
262	PR_DestroyCondVar(_thread->md.asyncIOCVar); \
263	PR_DestroyLock(_thread->md.asyncIOLock); \
264	PR_END_MACRO
265
266
267	/*
268	** Initialize the thread context preparing it to execute _main.
269	** *sp = 0 zeros out the sp for the first stack frame so that
270	** stack walking code can find the top of the stack.
271	*/
272	#if defined(powerc) \|\| defined(__powerc)
273	#define _MD_INIT_CONTEXT(_thread, _sp, _main, _status) \
274	PR_BEGIN_MACRO \
275	unsigned char *sp; \
276	unsigned long *tvect; \
277	long **jb = (_thread)->md.jb; \
278	((PRBool )_status) = PR_TRUE; \
279	(void) setjmp(jb); \
280	sp = INIT_STACKPTR(_sp); \
281	*sp = 0; \
282	(_MD_GET_SP(_thread)) = (long) sp; \
283	tvect = (unsigned long *)_main; \
284	(_MD_GET_PC(_thread)) = (int) *tvect; \
285	(_MD_GET_TOC(_thread)) = (int) *(tvect+1); \
286	_thread->no_sched = 0; \
287	PR_END_MACRO
288	#else
289	#define _MD_INIT_CONTEXT(_thread, _sp, _main, _status) \
290	PR_BEGIN_MACRO \
291	unsigned char *sp; \
292	long **jb = (_thread)->md.jb; \
293	((PRBool )_status) = PR_TRUE; \
294	(void) setjmp(jb); \
295	sp = INIT_STACKPTR(_sp); \
296	(_MD_GET_SP(_thread)) = (long) sp; \
297	(_MD_GET_PC(_thread)) = (int) _main; \
298	_thread->no_sched = 0; \
299	PR_END_MACRO
300	#endif
301
302	/*
303	** Switch away from the current thread context by saving its state and
304	** calling the thread scheduler. Reload cpu when we come back from the
305	** context switch because it might have changed.
306	*/
307	/* ResetTimer(); before _PR_Schedule() */
308
309
310	#define _MD_SWITCH_CONTEXT(_thread) \
311	PR_BEGIN_MACRO \
312	PR_ASSERT(_thread->no_sched); \
313	if (!setjmp(_thread->md.jb)) { \
314	_MD_SET_LAST_THREAD(_thread); \
315	if (_PR_MD_CURRENT_CPU()->md.trackScheduling) \
316	_PR_MD_CURRENT_CPU()->md.lastThreadSwitch = UpTime(); \
317	_PR_Schedule(); \
318	} else { \
319	PR_ASSERT(_MD_LAST_THREAD() !=_MD_CURRENT_THREAD()); \
320	_MD_LAST_THREAD()->no_sched = 0; \
321	} \
322	PR_END_MACRO
323
324	/*
325	** Restore a thread context that was saved by _MD_SWITCH_CONTEXT or
326	** initialized by _MD_INIT_CONTEXT.
327	*/
328	#define _MD_RESTORE_CONTEXT(_newThread) \
329	PR_BEGIN_MACRO \
330	long **jb = (_newThread)->md.jb; \
331	_MD_SET_CURRENT_THREAD(_newThread); \
332	_newThread->no_sched = 1; \
333	longjmp(jb, 1); \
334	PR_END_MACRO
335
336
337	#define _MD_ERRNO() _MD_CURRENT_THREAD()->md.osErrCode
338
339	extern PRStatus _MD_wait(PRThread *thread, PRIntervalTime timeout);
340	#define _MD_WAIT _MD_wait
341
342	/*
343	** Combined thread model related definitions
344	*/
345
346	#define _MD_CREATE_THREAD(a,b,c,d,e,f) (PR_SUCCESS)
347	#define _MD_WAKEUP_WAITER(a)
348	#define _MD_SET_PRIORITY(a,b)
349
350	/*
351	** File I/O Related definitions
352	*/
353
354	extern PRInt32 _PR_MD_WRITE_SYNC(PRFileDesc fd, void buf, PRInt32 amount);
355	#define _PR_MD_WRITE_SYNC _MD_WRITE_SYNC
356
357	struct _MDDir {
358	short ioVRefNum;
359	long ioDirID;
360	short ioFDirIndex;
361	char *currentEntryName;
362	};
363
364	#define PR_DIRECTORY_SEPARATOR '/'
365	#define PR_DIRECTORY_SEPARATOR_STR "/"
366	#define PR_PATH_SEPARATOR ':'
367	#define PR_PATH_SEPARATOR_STR ":"
368
369	typedef enum IOOperation {
370	READ_ASYNC,
371	WRITE_ASYNC
372	} IOOperation;
373
374
375	#define _MD_INIT_IO()
376
377	#define _MD_OPEN _MD_Open
378	#define _MD_OPEN_FILE _MD_Open
379	#define _MD_CLOSE_FILE FSClose
380	#define _MD_READ(fd,buf,amount) ReadWriteProc(fd,buf,amount,READ_ASYNC)
381	#define _MD_WRITE(fd,buf,amount) ReadWriteProc(fd,buf,amount,WRITE_ASYNC)
382	#define _MD_WRITE_SYNC(fd,buf,amount) WriteSyncProc(fd,buf,amount)
383	#define _MD_GET_FILE_ERROR() _PR_MD_CURRENT_THREAD()->md.osErrCode
384	#define _MD_LSEEK _MD_LSeek
385	#define _MD_FSYNC _MD_FSync
386
387	/* to be implemented */
388	#define _MD_LSEEK64(a,b,c) LL_ZERO
389	#define _MD_GETOPENFILEINFO64(fd,info) -1
390	#define _MD_GETFILEINFO64(fd,info) -1
391
392	#define _MD_IOQ_LOCK()
393	#define _MD_IOQ_UNLOCK()
394
395	/*
396	** File Manipulation definitions
397	*/
398
399	#define _MD_RENAME _MD_Rename
400	#define _MD_ACCESS _MD_Access
401
402	#define _MD_GETFILEINFO _MD_GetFileInfo
403	#define _MD_GETOPENFILEINFO _MD_GetOpenFileInfo
404
405	#define _MD_STAT _MD_Stat
406
407	#define _MD_DELETE _MD_Delete
408
409	extern PRStatus _MD_LockFile(PRInt32 osfd);
410	#define _MD_LOCKFILE _MD_LockFile
411	extern PRStatus _MD_TLockFile(PRInt32 osfd);
412	#define _MD_TLOCKFILE _MD_TLockFile
413	extern PRStatus _MD_UnlockFile(PRInt32 osfd);
414	#define _MD_UNLOCKFILE _MD_UnlockFile
415
416	/*
417	** Directory enumeration related definitions
418	*/
419
420	extern PRStatus _MD_OpenDir(struct _MDDir md,const char name);
421	#define _MD_OPEN_DIR _MD_OpenDir
422
423	extern char* _MD_ReadDir(struct _MDDir *md,PRIntn flags);
424	#define _MD_READ_DIR _MD_ReadDir
425
426	#define _MD_CLOSE_DIR _MD_CloseDir
427
428	#define _MD_MKDIR _MD_MkDir
429	#define _MD_MAKE_DIR _MD_MkDir
430	#define _MD_RMDIR _MD_Delete
431
432	/*
433	** Pipe I/O Related definitions (not implemented)
434	*/
435
436	#define _MD_PIPEAVAILABLE(fd) -1
437
438	/*
439	** Socket I/O Related definitions
440	*/
441
442	#if UNIVERSAL_INTERFACES_VERSION >= 0x0330
443	/* In Universal Interfaces 3.3 and later, these are enums. */
444	#define IP_TTL IP_TTL
445	#define IP_TOS IP_TOS
446	#define IP_ADD_MEMBERSHIP IP_ADD_MEMBERSHIP
447	#define IP_DROP_MEMBERSHIP IP_DROP_MEMBERSHIP
448	#define IP_MULTICAST_IF IP_MULTICAST_IF
449	#define IP_MULTICAST_TTL IP_MULTICAST_TTL
450	#define IP_MULTICAST_LOOP IP_MULTICAST_LOOP
451	#define TCP_NODELAY TCP_NODELAY
452	#define TCP_MAXSEG TCP_MAXSEG
453	#endif
454
455	#define _MD_SOCKET _MD_socket
456	#define _MD_BIND _MD_bind
457	#define _MD_LISTEN _MD_listen
458	#define _MD_GETSOCKNAME _MD_getsockname
459
460	extern PRStatus _MD_getsockopt(PRFileDesc fd, PRInt32 level, PRInt32 optname, char optval, PRInt32* optlen);
461	#define _MD_GETSOCKOPT _MD_getsockopt
462
463	extern PRStatus _MD_setsockopt(PRFileDesc fd, PRInt32 level, PRInt32 optname, const char optval, PRInt32 optlen);
464	#define _MD_SETSOCKOPT _MD_setsockopt
465
466	#define _MD_SOCKETAVAILABLE _MD_socketavailable
467	#define _MD_ACCEPT _MD_accept
468	#define _MD_CONNECT _MD_connect
469	#define _MD_SEND _MD_send
470	#define _MD_RECV _MD_recv
471	#define _MD_CLOSE_SOCKET _MD_closesocket
472	#define _MD_SENDTO _MD_sendto
473	#define _MD_RECVFROM _MD_recvfrom
474	#define _MD_PR_POLL _MD_poll
475	#define _MD_INIT_FILEDESC _MD_initfiledesc
476	#define _MD_FREE_FILEDESC _MD_freefiledesc
477	#define _MD_MAKE_NONBLOCK _MD_makenonblock
478	#define _MD_INIT_FD_INHERITABLE _MD_initfdinheritable
479	#define _MD_QUERY_FD_INHERITABLE _MD_queryfdinheritable
480
481	#define _MD_GET_SOCKET_ERROR() _PR_MD_CURRENT_THREAD()->md.osErrCode
482
483	#define _PR_MD_MAP_SELECT_ERROR(x) (x)
484	/*
485	** Netdb Related definitions
486	*/
487	extern PRStatus _MD_gethostname(char *name, int namelen);
488	#define _MD_GETHOSTNAME _MD_gethostname
489	#define _PR_GET_HOST_ADDR_AS_NAME
490
491	/*
492	XXX _MD_WRITEV, _MD_SHUTDOWN & _MD_GETPEERNAME not done yet!!!
493	*/
494	#define _MD_WRITEV _MD_writev
495	#define _MD_SHUTDOWN _MD_shutdown
496	#define _MD_GETPEERNAME _MD_getpeername
497
498
499	#ifdef OLD_MACSOCK_LIBRARY
500	#define _MD_SOCKET macsock_socket
501	#define _MD_LISTEN macsock_listen
502	#define _MD_SEND(fd,buf,amount,flags,timeout) macsock_send(fd->secret->md.osfd,buf,amount,flags)
503	#define _MD_SENDTO(fd,buf,amount,flags,addr,addrlen,timeout) macsock_sendto(fd->secret->md.osfd,buf,amount,flags,(struct sockaddr *)addr,addrlen)
504	#define _MD_RECV(fd,buf,amount,flags,timeout) macsock_recv(fd->secret->md.osfd,buf,amount,flags)
505	#define _MD_RECVFROM(fd,buf,amount,flags,addr,addrlen,timeout) macsock_recvfrom(fd->secret->md.osfd,buf,amount,flags,(struct sockaddr *)addr,addrlen)
506	#define _MD_CLOSE_SOCKET macsock_close
507	#define _MD_SHUTDOWN(a,b) (0)
508
509	#define _MD_ACCEPT(fd,addr,addrlen,timeout) macsock_accept(fd->secret->md.osfd,(struct sockaddr *)addr,addrlen)
510	#define _MD_CONNECT(fd,name,namelen,timeout) macsock_connect(fd->secret->md.osfd,(struct sockaddr *)name,namelen)
511	#define _MD_BIND(fd,name,namelen) macsock_bind(fd->secret->md.osfd,(struct sockaddr *)name,namelen)
512	#define _MD_GETSOCKNAME(fd,name,namelen) macsock_getsockname(fd->secret->md.osfd,(struct sockaddr *)name,namelen)
513	#define _MD_GETPEERNAME(fd,name,namelen) macsock_getpeername(fd->secret->md.osfd,(struct sockaddr *)name,namelen)
514	#define _MD_GETSOCKOPT(fd,level,optname,optval,optlen) macsock_getsockopt(fd->secret->md.osfd,level,optname,optval,optlen)
515	#define _MD_SETSOCKOPT(fd,level,optname,optval,optlen) macsock_setsockopt(fd->secret->md.osfd,level,optname,optval,optlen)
516	#define _MD_SOCKETAVAILABLE(fd,bytes) macsock_socketavailable(fd->secret->md.osfd,bytes)
517	#endif
518
519	/*
520	** Memory Segements Related definitions
521	*/
522
523	#define _MD_INIT_SEGS()
524	#define _MD_ALLOC_SEGMENT _MD_AllocSegment
525	#define _MD_FREE_SEGMENT _MD_FreeSegment
526
527	/*
528	** Time Related definitions
529	*/
530
531	#define _MD_GET_INTERVAL _MD_GetInterval
532	#define _MD_INTERVAL_PER_SEC() PR_MSEC_PER_SEC
533	#define _MD_INTERVAL_INIT()
534
535	/*
536	** Environemnt Related definitions
537	*/
538
539	extern char _MD_GetEnv(const char name);
540	#define _MD_GET_ENV _MD_GetEnv
541
542	extern int _MD_PutEnv(const char *variableCopy);
543	#define _MD_PUT_ENV _MD_PutEnv
544
545	/*
546	** Following is old stuff to be looked at.
547	*/
548
549	#define GCPTR
550	#define CALLBACK
551	typedef int (*FARPROC)();
552
553
554	#define MAX_NON_PRIMARY_TIME_SLICES 6
555
556	extern long gTimeSlicesOnNonPrimaryThread;
557	extern struct PRThread *gPrimaryThread;
558
559	// Errors not found in the Mac StdCLib
560	#define EACCES 13 // Permission denied
561	#define ENOENT -43 // No such file or directory
562	#define _OS_INVALID_FD_VALUE -1
563
564	#define STDERR_FILENO 2
565
566	#if !defined(MAC_NSPR_STANDALONE)
567	#define PATH_SEPARATOR ':'
568	#define PATH_SEPARATOR_STR ":"
569	#define DIRECTORY_SEPARATOR '/'
570	#define DIRECTORY_SEPARATOR_STR "/"
571	#endif
572
573	#define UNIX_THIS_DIRECTORY_STR "./"
574	#define UNIX_PARENT_DIRECTORY_STR "../"
575
576
577	// Alias a few names
578	#define getenv PR_GetEnv
579	#define putenv _MD_PutEnv
580
581	#if defined(MAC_NSPR_STANDALONE)
582	typedef unsigned char (*MemoryCacheFlusherProc)(size_t size);
583	typedef void (*PreAllocationHookProc)(void);
584
585	extern char strdup(const char source);
586
587	extern void InstallPreAllocationHook(PreAllocationHookProc newHook);
588	extern void InstallMemoryCacheFlusher(MemoryCacheFlusherProc newFlusher);
589	#endif
590
591	extern char *PR_GetDLLSearchPath(void);
592
593	#if defined(MAC_NSPR_STANDALONE)
594	extern int strcmp(const char str1, const char str2);
595	extern int strcasecmp(const char str1, const char str2);
596	#endif
597
598	extern void MapFullToPartialMacFile(char *);
599	extern char MapPartialToFullMacFile(const char );
600
601	extern void ResetTimer(void);
602	extern void PR_PeriodicIdle(void);
603	extern void ActivateTimer(void);
604	extern void DeactivateTimer(void);
605	extern void PR_InitMemory(void);
606
607	extern struct hostent gethostbyaddr(const void addr, int addrlen, int type);
608
609	extern short GetVolumeRefNumFromName(const char *);
610
611	#include <stdio.h> // Needed to get FILE typedef
612	extern FILE _OS_FOPEN(const char filename, const char *mode);
613	//
614	// Macintosh only private parts.
615	//
616
617	#define dprintTrace ";dprintf;doTrace"
618	#define dprintNoTrace ";dprintf"
619	extern void dprintf(const char *format, ...);
620
621
622	// Entry into the memory system's cache flushing
623	#if defined(MAC_NSPR_STANDALONE)
624	extern PRUint8 CallCacheFlushers(size_t blockSize);
625	#endif
626
627	#if defined(MAC_NSPR_STANDALONE)
628	extern void* reallocSmaller(void* block, size_t newSize);
629	#endif
630
631
632	/*
633	** PR_GetSystemInfo related definitions
634	*/
635	#define _PR_SI_SYSNAME "MacOS"
636	#define _PR_SI_ARCHITECTURE "PowerPC"
637
638	/*
639	* Memory-mapped files
640	*/
641
642	struct _MDFileMap {
643	PRInt8 unused;
644	};
645
646	extern PRStatus _MD_CreateFileMap(struct PRFileMap *fmap, PRInt64 size);
647	#define _MD_CREATE_FILE_MAP _MD_CreateFileMap
648
649	extern PRInt32 _MD_GetMemMapAlignment(void);
650	#define _MD_GET_MEM_MAP_ALIGNMENT _MD_GetMemMapAlignment
651
652	extern void * _MD_MemMap(struct PRFileMap *fmap, PRInt64 offset,
653	PRUint32 len);
654	#define _MD_MEM_MAP _MD_MemMap
655
656	extern PRStatus _MD_MemUnmap(void *addr, PRUint32 size);
657	#define _MD_MEM_UNMAP _MD_MemUnmap
658
659	extern PRStatus _MD_CloseFileMap(struct PRFileMap *fmap);
660	#define _MD_CLOSE_FILE_MAP _MD_CloseFileMap
661
662	extern void SetLogFileTypeCreator(const char *logFile);
663	extern int _MD_mac_get_nonblocking_connect_error(PRFileDesc* fd);
664
665
666	/*
667	* Critical section support
668	*/
669
670	#define MAC_CRITICAL_REGIONS TARGET_CARBON
671
672	#if MAC_CRITICAL_REGIONS
673
674	extern void InitCriticalRegion();
675	extern void TermCriticalRegion();
676
677	extern void EnterCritialRegion();
678	extern void LeaveCritialRegion();
679
680	#define INIT_CRITICAL_REGION() InitCriticalRegion()
681	#define TERM_CRITICAL_REGION() TermCriticalRegion()
682
683	#define ENTER_CRITICAL_REGION() EnterCritialRegion()
684	#define LEAVE_CRITICAL_REGION() LeaveCritialRegion()
685
686	#else
687
688	#define INIT_CRITICAL_REGION()
689	#define TERM_CRITICAL_REGION()
690
691	#define ENTER_CRITICAL_REGION()
692	#define LEAVE_CRITICAL_REGION()
693
694	#endif
695
696
697
698	/*
699	* CPU Idle support
700	*/
701
702	extern void InitIdleSemaphore();
703	extern void TermIdleSemaphore();
704
705	extern void WaitOnIdleSemaphore();
706	extern void SignalIdleSemaphore();
707
708
709	/*
710	* Atomic operations
711	*/
712	#ifdef _PR_HAVE_ATOMIC_OPS
713
714	extern PRInt32 _MD_AtomicSet(PRInt32 *val, PRInt32 newval);
715
716	#define _MD_INIT_ATOMIC()
717	#define _MD_ATOMIC_INCREMENT(val) OTAtomicAdd32(1, (SInt32 *)val)
718	#define _MD_ATOMIC_ADD(ptr, val) OTAtomicAdd32(val, (SInt32 *)ptr)
719	#define _MD_ATOMIC_DECREMENT(val) OTAtomicAdd32(-1, (SInt32 *)val)
720	#define _MD_ATOMIC_SET(val, newval) _MD_AtomicSet(val, newval)
721
722	#endif /* _PR_HAVE_ATOMIC_OPS */
723
724
725	#endif /* prmacos_h___ */

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source: vbox/trunk/src/libs/xpcom18a4/nsprpub/pr/include/md/_macos.h@ 5300

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