Initial commit of upstream NSPR (4.7.3) and NSS3 (3.12).

third_party/nspr/mozilla/nsprpub/pr/include/md/_macos.h

Index: third_party/nspr/mozilla/nsprpub/pr/include/md/_macos.h
diff --git a/third_party/nspr/mozilla/nsprpub/pr/include/md/_macos.h b/third_party/nspr/mozilla/nsprpub/pr/include/md/_macos.h
new file mode 100644
index 0000000000000000000000000000000000000000..dbcab4090b79367b4f8435fbbd98388ab5d12fd5
--- /dev/null
+++ b/third_party/nspr/mozilla/nsprpub/pr/include/md/_macos.h
@@ -0,0 +1,725 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Netscape Portable Runtime (NSPR).
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef prmacos_h___
+#define prmacos_h___
+
+//
+// This file contains all changes and additions which need to be made to the NSPR runtime 
+// for the Macintosh platform (specifically the Metrowerks environment).  This file should 
+// only be incluced in Macintosh builds.
+//
+
+#define PR_DLL_SUFFIX		""
+#define _PR_LOCAL_THREADS_ONLY
+#define _PR_NO_PREEMPT	1
+#define _PR_HAVE_ATOMIC_OPS 1
+
+#include "prinit.h"
+#include "prio.h"
+#include "prlong.h"
+#include "prlock.h"
+#include "prcvar.h"
+#include "prsem.h"
+#include "prthread.h"
+#include "prtime.h"
+#include "prproces.h"
+
+#if !defined(MAC_NSPR_STANDALONE)
+#include "macstdlibextras.h"
+#endif
+
+#include <stddef.h>
+#include <setjmp.h>
+
+#include <Errors.h>
+#include <OpenTransport.h>
+#include <DriverServices.h>
+
+#define _PR_HAVE_PEEK_BUFFER
+#define _PR_PEEK_BUFFER_MAX (16 * 1024)
+#define _PR_FD_NEED_EMULATE_MSG_PEEK(fd) 1
+
+struct _MDProcess {
+    PRInt8 notused;
+};
+
+struct _MDThread {
+    jmp_buf      jb;
+    int          osErrCode;
+	PRLock *     asyncIOLock;
+	PRCondVar *  asyncIOCVar;
+    PRBool       missedIONotify;
+    PRBool       missedAsyncNotify;
+    PRBool       asyncNotifyPending;
+};
+
+struct _MDThreadStack {
+    PRInt8 notused;
+};
+
+struct _MDLock {
+    PRInt8 notused;
+};
+
+struct _MDCVar {
+    PRInt8 notused;
+};
+
+struct _MDSemaphore {
+    PRInt8 notused;
+};
+
+struct _MDSegment {
+    PRInt8 notused;
+};
+
+struct _MDCPU {
+    AbsoluteTime    lastThreadSwitch;
+    AbsoluteTime    lastWakeUpProcess;
+    PRBool          trackScheduling;
+};
+
+typedef struct _MDSocketCallerInfo {
+	PRThread *	thread;
+	void *		cookie;
+} _MDSocketCallerInfo;
+
+struct _MDFileDesc {
+    PRInt32         osfd;
+    PRPackedBool    orderlyDisconnect;
+    PRPackedBool    readReady;
+    PRPackedBool    writeReady;
+    PRPackedBool    exceptReady;
+    PRLock *        miscLock;
+
+    /* Server sockets: listen bit tells the notifier func what to do */
+    PRBool          doListen;
+
+    /* stored error for non-blocking connects, as a Unix-style error code */
+    OTReason        disconnectError;
+
+    _MDSocketCallerInfo  misc;
+    _MDSocketCallerInfo  read;
+    _MDSocketCallerInfo  write;
+};
+
+/*
+** Iinitialization Related definitions
+*/
+
+#define _MD_EARLY_INIT		_MD_EarlyInit
+#define _MD_FINAL_INIT		_MD_FinalInit
+
+/*
+** Interrupts Related definitions
+*/
+
+#define _MD_GET_INTSOFF()               (_pr_intsOff)
+
+#define _MD_INTSOFF(_is)                                  \
+    PR_BEGIN_MACRO                                        \
+        ENTER_CRITICAL_REGION();                          \
+        (_is) = _PR_MD_GET_INTSOFF();                     \
+        _PR_MD_SET_INTSOFF(1);                            \
+        LEAVE_CRITICAL_REGION();                          \
+    PR_END_MACRO
+
+#if TARGET_CARBON
+extern void _MD_SetIntsOff(PRInt32 ints);
+#define _MD_SET_INTSOFF(_val)           _MD_SetIntsOff(_val)
+#else /* not TARGET_CARBON */
+#define _MD_SET_INTSOFF(_val)           (_pr_intsOff = _val)
+#endif /* TARGET_CARBON */
+
+#define _MD_START_INTERRUPTS			_MD_StartInterrupts
+#define _MD_STOP_INTERRUPTS	    		_MD_StopInterrupts
+#define _MD_BLOCK_CLOCK_INTERRUPTS()
+#define _MD_UNBLOCK_CLOCK_INTERRUPTS()
+#define _MD_DISABLE_CLOCK_INTERRUPTS()
+#define _MD_ENABLE_CLOCK_INTERRUPTS()
+
+/*
+** CPU Related definitions
+*/
+
+#define _MD_PAUSE_CPU		_MD_PauseCPU
+#define _MD_CLEANUP_BEFORE_EXIT()
+#define _MD_EXIT(status)	exit(status)
+#define _MD_INIT_CPUS()
+#define _MD_INIT_RUNNING_CPU(cpu) _MD_InitRunningCPU(cpu)
+
+/*
+** Process Related definitions
+*/
+
+extern struct PRProcess * _MD_CreateProcess(
+    const char *path,
+    char *const *argv,
+    char *const *envp,
+    const PRProcessAttr *attr);
+#define _MD_CREATE_PROCESS _MD_CreateProcess
+
+extern PRStatus _MD_DetachProcess(PRProcess *process);
+#define _MD_DETACH_PROCESS _MD_DetachProcess
+
+extern PRStatus _MD_WaitProcess(PRProcess *process, PRInt32 *exitCode);
+#define _MD_WAIT_PROCESS _MD_WaitProcess
+
+extern PRStatus _MD_KillProcess(PRProcess *process);
+#define _MD_KILL_PROCESS _MD_KillProcess
+
+/*
+** Memory Segments Related definitions
+*/
+
+#define _MD_INIT_SEGS()
+
+/*
+** Thread Stacks Debugging Related definitions
+*/
+
+#define _MD_INIT_STACK		_MD_InitStack
+#define _MD_CLEAR_STACK		_MD_ClearStack
+
+/*
+** Locks Related definitions
+*/
+
+#define _MD_INIT_LOCKS()
+#define _MD_NEW_LOCK(lock) (PR_SUCCESS)
+#define _MD_FREE_LOCK(lock)
+#define _MD_LOCK(lock)
+#define _MD_UNLOCK(lock)
+
+/*
+** Thread Related definitions
+*/
+
+NSPR_API(PRThread *) PR_GetPrimaryThread();
+
+#if defined(powerc) || defined(__powerc)
+#define _MD_GET_PC(_t) (*((PRUint32 *)((_t)->md.jb)))
+#define _MD_GET_SP(_t) (*((PRUint32 *)((_t)->md.jb) + 2))
+#define _MD_GET_TOC(_t) (*((PRUint32 *)((_t)->md.jb) + 3))
+#define INIT_STACKPTR(stackTop) ((unsigned char*)stackTop - 128)
+#define PR_NUM_GCREGS 70
+#else
+#define _MD_GET_PC(_t) (*((PRUint32 *)((_t)->md.jb) + 6))
+#define _MD_GET_SP(_t) (*((PRUint32 *)((_t)->md.jb) + 12))
+#define INIT_STACKPTR(stackTop) ((unsigned char*)stackTop - 4)
+#define PR_NUM_GCREGS 13
+#endif
+
+#define _MD_DEFAULT_STACK_SIZE (58 * 1024)
+#define _MD_MINIMUM_STACK_SIZE (58 * 1024)
+
+/*
+** Initialize the thread machine dependent data structure
+*/
+extern PRStatus _MD_InitThread(PRThread *thread);
+#define _MD_INIT_THREAD	_MD_InitThread
+
+/*
+** Clean-up the thread machine dependent data structure
+*/
+#define	_MD_CLEAN_THREAD(_thread)						\
+    PR_BEGIN_MACRO				      					\
+	PR_DestroyCondVar(_thread->md.asyncIOCVar);			\
+	PR_DestroyLock(_thread->md.asyncIOLock);			\
+    PR_END_MACRO
+
+
+/*
+** Initialize the thread context preparing it to execute _main.
+** *sp = 0 zeros out the sp for the first stack frame so that
+** stack walking code can find the top of the stack.
+*/
+#if defined(powerc) || defined(__powerc)
+#define _MD_INIT_CONTEXT(_thread, _sp, _main, _status)	\
+    PR_BEGIN_MACRO				      					\
+ 	unsigned char *sp;									\
+ 	unsigned long *tvect;								\
+	long **jb = (_thread)->md.jb;		      			\
+    *((PRBool *)_status) = PR_TRUE;              		\
+	(void) setjmp(jb);			      					\
+    sp = INIT_STACKPTR(_sp);							\
+    *sp = 0;                                            \
+    (_MD_GET_SP(_thread)) = (long) sp;   				\
+	tvect = (unsigned long *)_main;						\
+    (_MD_GET_PC(_thread)) = (int) *tvect;   			\
+    (_MD_GET_TOC(_thread)) = (int) *(tvect+1);   		\
+	_thread->no_sched = 0;                              \
+    PR_END_MACRO
+#else
+#define _MD_INIT_CONTEXT(_thread, _sp, _main, _status)	\
+    PR_BEGIN_MACRO				      					\
+ 	unsigned char *sp;									\
+	long **jb = (_thread)->md.jb;		      			\
+    *((PRBool *)_status) = PR_TRUE;              		\
+	(void) setjmp(jb);			      					\
+    sp = INIT_STACKPTR(_sp);							\
+    (_MD_GET_SP(_thread)) = (long) sp;   				\
+    (_MD_GET_PC(_thread)) = (int) _main;   				\
+	_thread->no_sched = 0;                              \
+    PR_END_MACRO
+#endif
+
+/*
+** Switch away from the current thread context by saving its state and
+** calling the thread scheduler. Reload cpu when we come back from the
+** context switch because it might have changed.
+*/
+/*    	ResetTimer();	before _PR_Schedule()		   		*/
+
+
+#define _MD_SWITCH_CONTEXT(_thread)                                 \
+    PR_BEGIN_MACRO                                                  \
+    PR_ASSERT(_thread->no_sched);                                   \
+    if (!setjmp(_thread->md.jb)) {                                  \
+        _MD_SET_LAST_THREAD(_thread);                               \
+        if (_PR_MD_CURRENT_CPU()->md.trackScheduling)               \
+            _PR_MD_CURRENT_CPU()->md.lastThreadSwitch = UpTime();   \
+        _PR_Schedule();                                             \
+    } else {                                                        \
+        PR_ASSERT(_MD_LAST_THREAD() !=_MD_CURRENT_THREAD());        \
+        _MD_LAST_THREAD()->no_sched = 0;                            \
+    }                                                               \
+    PR_END_MACRO
+
+/*
+** Restore a thread context that was saved by _MD_SWITCH_CONTEXT or
+** initialized by _MD_INIT_CONTEXT.
+*/
+#define _MD_RESTORE_CONTEXT(_newThread)	    \
+    PR_BEGIN_MACRO			    			\
+	long **jb = (_newThread)->md.jb;	    \
+	_MD_SET_CURRENT_THREAD(_newThread); 	\
+    _newThread->no_sched = 1;		        \
+	longjmp(jb, 1);			    			\
+    PR_END_MACRO
+
+
+#define _MD_ERRNO()	 _MD_CURRENT_THREAD()->md.osErrCode
+
+extern PRStatus _MD_wait(PRThread *thread, PRIntervalTime timeout);
+#define _MD_WAIT	_MD_wait
+
+/*
+** Combined thread model related definitions
+*/
+
+#define _MD_CREATE_THREAD(a,b,c,d,e,f) (PR_SUCCESS)
+#define _MD_WAKEUP_WAITER(a)
+#define _MD_SET_PRIORITY(a,b)
+
+/*
+** File I/O Related definitions
+*/
+
+extern PRInt32 _PR_MD_WRITE_SYNC(PRFileDesc *fd, void *buf, PRInt32 amount);
+#define    _PR_MD_WRITE_SYNC _MD_WRITE_SYNC
+
+struct _MDDir {
+	short		ioVRefNum;
+	long		ioDirID;
+	short		ioFDirIndex;
+	char		*currentEntryName;
+};
+
+#define PR_DIRECTORY_SEPARATOR		'/'
+#define PR_DIRECTORY_SEPARATOR_STR	"/"
+#define PR_PATH_SEPARATOR		':'
+#define PR_PATH_SEPARATOR_STR		":"
+
+typedef enum IOOperation {
+    READ_ASYNC,
+    WRITE_ASYNC
+} IOOperation;
+
+
+#define _MD_INIT_IO()
+
+#define _MD_OPEN 					_MD_Open
+#define _MD_OPEN_FILE 				_MD_Open
+#define _MD_CLOSE_FILE 				FSClose
+#define _MD_READ(fd,buf,amount) 	ReadWriteProc(fd,buf,amount,READ_ASYNC)
+#define _MD_WRITE(fd,buf,amount) 	ReadWriteProc(fd,buf,amount,WRITE_ASYNC)
+#define _MD_WRITE_SYNC(fd,buf,amount) WriteSyncProc(fd,buf,amount)
+#define _MD_GET_FILE_ERROR() 		_PR_MD_CURRENT_THREAD()->md.osErrCode
+#define _MD_LSEEK 					_MD_LSeek
+#define _MD_FSYNC 					_MD_FSync
+
+/* to be implemented */
+#define _MD_LSEEK64(a,b,c)           LL_ZERO
+#define _MD_GETOPENFILEINFO64(fd,info)   -1
+#define _MD_GETFILEINFO64(fd,info)   -1
+
+#define _MD_IOQ_LOCK()
+#define _MD_IOQ_UNLOCK()
+
+/*
+** File Manipulation definitions
+*/
+
+#define	_MD_RENAME 			_MD_Rename
+#define	_MD_ACCESS 			_MD_Access
+
+#define	_MD_GETFILEINFO 	_MD_GetFileInfo
+#define	_MD_GETOPENFILEINFO _MD_GetOpenFileInfo
+
+#define	_MD_STAT 			_MD_Stat
+
+#define	_MD_DELETE 			_MD_Delete
+
+extern PRStatus _MD_LockFile(PRInt32 osfd);
+#define	_MD_LOCKFILE 		_MD_LockFile
+extern PRStatus _MD_TLockFile(PRInt32 osfd);
+#define	_MD_TLOCKFILE 		_MD_TLockFile
+extern PRStatus _MD_UnlockFile(PRInt32 osfd);
+#define	_MD_UNLOCKFILE		_MD_UnlockFile
+
+/* 
+** Directory enumeration related definitions 
+*/
+
+extern PRStatus _MD_OpenDir(struct _MDDir *md,const char *name);
+#define	_MD_OPEN_DIR 		_MD_OpenDir
+
+extern char* _MD_ReadDir(struct _MDDir *md,PRIntn flags);
+#define	_MD_READ_DIR 		_MD_ReadDir
+
+#define	_MD_CLOSE_DIR 		_MD_CloseDir
+
+#define	_MD_MKDIR 			_MD_MkDir
+#define	_MD_MAKE_DIR		_MD_MkDir
+#define	_MD_RMDIR 			_MD_Delete
+
+/*
+** Pipe I/O Related definitions (not implemented)
+*/
+
+#define _MD_PIPEAVAILABLE(fd) -1
+
+/*
+** Socket I/O Related definitions
+*/
+
+#if UNIVERSAL_INTERFACES_VERSION >= 0x0330
+/* In Universal Interfaces 3.3 and later, these are enums. */
+#define IP_TTL IP_TTL
+#define IP_TOS IP_TOS
+#define IP_ADD_MEMBERSHIP IP_ADD_MEMBERSHIP
+#define IP_DROP_MEMBERSHIP IP_DROP_MEMBERSHIP
+#define IP_MULTICAST_IF IP_MULTICAST_IF
+#define IP_MULTICAST_TTL IP_MULTICAST_TTL
+#define IP_MULTICAST_LOOP IP_MULTICAST_LOOP
+#define TCP_NODELAY TCP_NODELAY
+#define TCP_MAXSEG TCP_MAXSEG
+#endif
+
+#define _MD_SOCKET 			_MD_socket
+#define _MD_BIND			_MD_bind
+#define _MD_LISTEN			_MD_listen
+#define _MD_GETSOCKNAME		_MD_getsockname
+
+extern PRStatus _MD_getsockopt(PRFileDesc *fd, PRInt32 level, PRInt32 optname, char* optval, PRInt32* optlen);
+#define _MD_GETSOCKOPT		_MD_getsockopt
+
+extern PRStatus _MD_setsockopt(PRFileDesc *fd, PRInt32 level, PRInt32 optname, const char* optval, PRInt32 optlen);
+#define _MD_SETSOCKOPT		_MD_setsockopt
+
+#define _MD_SOCKETAVAILABLE	_MD_socketavailable
+#define _MD_ACCEPT			_MD_accept
+#define _MD_CONNECT			_MD_connect
+#define _MD_SEND			_MD_send
+#define _MD_RECV			_MD_recv
+#define _MD_CLOSE_SOCKET	_MD_closesocket
+#define _MD_SENDTO			_MD_sendto
+#define _MD_RECVFROM		_MD_recvfrom
+#define _MD_PR_POLL			_MD_poll
+#define _MD_INIT_FILEDESC	_MD_initfiledesc
+#define _MD_FREE_FILEDESC	_MD_freefiledesc
+#define _MD_MAKE_NONBLOCK	_MD_makenonblock
+#define _MD_INIT_FD_INHERITABLE _MD_initfdinheritable
+#define _MD_QUERY_FD_INHERITABLE _MD_queryfdinheritable
+
+#define _MD_GET_SOCKET_ERROR() 		_PR_MD_CURRENT_THREAD()->md.osErrCode
+
+#define _PR_MD_MAP_SELECT_ERROR(x) 	(x)
+/*
+** Netdb Related definitions
+*/
+extern PRStatus _MD_gethostname(char *name, int namelen);
+#define _MD_GETHOSTNAME		_MD_gethostname
+#define _PR_GET_HOST_ADDR_AS_NAME
+
+/* 
+	XXX _MD_WRITEV, _MD_SHUTDOWN & _MD_GETPEERNAME not done yet!!!
+*/
+#define _MD_WRITEV			_MD_writev
+#define _MD_SHUTDOWN		_MD_shutdown
+#define _MD_GETPEERNAME		_MD_getpeername
+
+
+#ifdef OLD_MACSOCK_LIBRARY
+#define _MD_SOCKET 			macsock_socket
+#define _MD_LISTEN			macsock_listen
+#define _MD_SEND(fd,buf,amount,flags,timeout)	macsock_send(fd->secret->md.osfd,buf,amount,flags)
+#define _MD_SENDTO(fd,buf,amount,flags,addr,addrlen,timeout)	macsock_sendto(fd->secret->md.osfd,buf,amount,flags,(struct sockaddr *)addr,addrlen)
+#define _MD_RECV(fd,buf,amount,flags,timeout)	macsock_recv(fd->secret->md.osfd,buf,amount,flags)
+#define _MD_RECVFROM(fd,buf,amount,flags,addr,addrlen,timeout)	macsock_recvfrom(fd->secret->md.osfd,buf,amount,flags,(struct sockaddr *)addr,addrlen)
+#define _MD_CLOSE_SOCKET	macsock_close
+#define _MD_SHUTDOWN(a,b)	(0)
+
+#define _MD_ACCEPT(fd,addr,addrlen,timeout)	macsock_accept(fd->secret->md.osfd,(struct sockaddr *)addr,addrlen)
+#define _MD_CONNECT(fd,name,namelen,timeout)	macsock_connect(fd->secret->md.osfd,(struct sockaddr *)name,namelen)
+#define _MD_BIND(fd,name,namelen)				macsock_bind(fd->secret->md.osfd,(struct sockaddr *)name,namelen)
+#define _MD_GETSOCKNAME(fd,name,namelen)		macsock_getsockname(fd->secret->md.osfd,(struct sockaddr *)name,namelen)
+#define _MD_GETPEERNAME(fd,name,namelen)		macsock_getpeername(fd->secret->md.osfd,(struct sockaddr *)name,namelen)
+#define _MD_GETSOCKOPT(fd,level,optname,optval,optlen)		macsock_getsockopt(fd->secret->md.osfd,level,optname,optval,optlen)
+#define _MD_SETSOCKOPT(fd,level,optname,optval,optlen)		macsock_setsockopt(fd->secret->md.osfd,level,optname,optval,optlen)
+#define _MD_SOCKETAVAILABLE(fd,bytes)		macsock_socketavailable(fd->secret->md.osfd,bytes)
+#endif
+
+/*
+** Memory Segements Related definitions
+*/
+
+#define _MD_INIT_SEGS()		
+#define _MD_ALLOC_SEGMENT	_MD_AllocSegment
+#define _MD_FREE_SEGMENT	_MD_FreeSegment
+
+/*
+** Time Related definitions
+*/
+
+#define _MD_GET_INTERVAL 				_MD_GetInterval
+#define _MD_INTERVAL_PER_SEC() 			PR_MSEC_PER_SEC
+#define _MD_INTERVAL_INIT()
+
+/*
+** Environemnt Related definitions
+*/
+
+extern char *_MD_GetEnv(const char *name);
+#define _MD_GET_ENV			_MD_GetEnv
+
+extern int _MD_PutEnv(const char *variableCopy);
+#define _MD_PUT_ENV			_MD_PutEnv
+
+/*
+** Following is old stuff to be looked at.
+*/
+
+#define GCPTR
+#define CALLBACK
+typedef int (*FARPROC)();
+
+
+#define MAX_NON_PRIMARY_TIME_SLICES 	6
+
+extern long gTimeSlicesOnNonPrimaryThread;
+extern struct PRThread *gPrimaryThread;
+
+// Errors not found in the Mac StdCLib
+#define EACCES  		13      	// Permission denied
+#define ENOENT			-43			// No such file or directory
+#define _OS_INVALID_FD_VALUE -1
+
+#define	STDERR_FILENO	2
+
+#if !defined(MAC_NSPR_STANDALONE)
+#define PATH_SEPARATOR 					':'
+#define PATH_SEPARATOR_STR		        ":"
+#define DIRECTORY_SEPARATOR				'/'
+#define DIRECTORY_SEPARATOR_STR			"/"
+#endif
+
+#define UNIX_THIS_DIRECTORY_STR			"./"
+#define UNIX_PARENT_DIRECTORY_STR		"../"
+
+
+// Alias a few names
+#define getenv	PR_GetEnv
+#define putenv	_MD_PutEnv
+
+#if defined(MAC_NSPR_STANDALONE)
+typedef unsigned char (*MemoryCacheFlusherProc)(size_t size);
+typedef void (*PreAllocationHookProc)(void);
+
+extern char *strdup(const char *source);
+
+extern void InstallPreAllocationHook(PreAllocationHookProc newHook);
+extern void InstallMemoryCacheFlusher(MemoryCacheFlusherProc newFlusher);
+#endif
+
+extern char *PR_GetDLLSearchPath(void);
+
+#if defined(MAC_NSPR_STANDALONE)
+extern int strcmp(const char *str1, const char *str2);
+extern int strcasecmp(const char *str1, const char *str2);
+#endif
+
+extern void MapFullToPartialMacFile(char *);
+extern char *MapPartialToFullMacFile(const char *);
+
+extern void ResetTimer(void);
+extern void PR_PeriodicIdle(void);
+extern void ActivateTimer(void);
+extern void DeactivateTimer(void);
+extern void PR_InitMemory(void);
+
+extern struct hostent *gethostbyaddr(const void *addr, int addrlen, int type);
+
+extern short GetVolumeRefNumFromName(const char *);
+
+#include <stdio.h>			// Needed to get FILE typedef
+extern FILE *_OS_FOPEN(const char *filename, const char *mode);
+//
+//	Macintosh only private parts.
+//
+
+#define	dprintTrace			";dprintf;doTrace"
+#define	dprintNoTrace		";dprintf"
+extern void dprintf(const char *format, ...);
+
+
+// Entry into the memory system's cache flushing
+#if defined(MAC_NSPR_STANDALONE)
+extern PRUint8 CallCacheFlushers(size_t blockSize);
+#endif
+
+#if defined(MAC_NSPR_STANDALONE)
+extern void* reallocSmaller(void* block, size_t newSize);
+#endif
+
+
+/*
+** PR_GetSystemInfo related definitions
+*/
+#define _PR_SI_SYSNAME          "MacOS"
+#define _PR_SI_ARCHITECTURE     "PowerPC"
+
+/*
+ * Memory-mapped files
+ */
+
+struct _MDFileMap {
+    PRInt8 unused;
+};
+
+extern PRStatus _MD_CreateFileMap(struct PRFileMap *fmap, PRInt64 size);
+#define _MD_CREATE_FILE_MAP _MD_CreateFileMap
+
+extern PRInt32 _MD_GetMemMapAlignment(void);
+#define _MD_GET_MEM_MAP_ALIGNMENT _MD_GetMemMapAlignment
+
+extern void * _MD_MemMap(struct PRFileMap *fmap, PRInt64 offset,
+        PRUint32 len);
+#define _MD_MEM_MAP _MD_MemMap
+
+extern PRStatus _MD_MemUnmap(void *addr, PRUint32 size);
+#define _MD_MEM_UNMAP _MD_MemUnmap
+
+extern PRStatus _MD_CloseFileMap(struct PRFileMap *fmap);
+#define _MD_CLOSE_FILE_MAP _MD_CloseFileMap
+
+extern void SetLogFileTypeCreator(const char *logFile);
+extern int _MD_mac_get_nonblocking_connect_error(PRFileDesc* fd);
+
+
+/*
+ * Critical section support
+ */
+
+#define MAC_CRITICAL_REGIONS  TARGET_CARBON
+
+#if MAC_CRITICAL_REGIONS
+
+extern void InitCriticalRegion();
+extern void TermCriticalRegion();
+
+extern void EnterCritialRegion();
+extern void LeaveCritialRegion();
+
+#define INIT_CRITICAL_REGION()     InitCriticalRegion()
+#define TERM_CRITICAL_REGION()     TermCriticalRegion()
+
+#define ENTER_CRITICAL_REGION()     EnterCritialRegion()
+#define LEAVE_CRITICAL_REGION()     LeaveCritialRegion()
+
+#else
+
+#define INIT_CRITICAL_REGION()
+#define TERM_CRITICAL_REGION()
+
+#define ENTER_CRITICAL_REGION()
+#define LEAVE_CRITICAL_REGION()
+
+#endif
+
+
+
+/*
+ * CPU Idle support
+ */
+
+extern void InitIdleSemaphore();
+extern void TermIdleSemaphore();
+
+extern void WaitOnIdleSemaphore();
+extern void SignalIdleSemaphore();
+
+
+/*
+ * Atomic operations
+ */
+#ifdef _PR_HAVE_ATOMIC_OPS
+
+extern PRInt32 _MD_AtomicSet(PRInt32 *val, PRInt32 newval);
+
+#define _MD_INIT_ATOMIC()
+#define _MD_ATOMIC_INCREMENT(val)   OTAtomicAdd32(1, (SInt32 *)val)
+#define _MD_ATOMIC_ADD(ptr, val)    OTAtomicAdd32(val, (SInt32 *)ptr)
+#define _MD_ATOMIC_DECREMENT(val)   OTAtomicAdd32(-1, (SInt32 *)val)
+#define _MD_ATOMIC_SET(val, newval) _MD_AtomicSet(val, newval)
+
+#endif /* _PR_HAVE_ATOMIC_OPS */
+
+
+#endif /* prmacos_h___ */