gecko/nsprpub/pr/include/md/_macos.h
2008-06-06 08:36:51 -04:00

726 lines
20 KiB
C

/* -*- 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___ */