_winnt.h

Netscape NSPR库源码

extern int _PR_NTFiberSafeSelect(int, fd_set *, fd_set *, fd_set *,
    const struct timeval *);
#define _MD_FSYNC                     _PR_MD_FSYNC
#define _MD_SOCKETAVAILABLE           _PR_MD_SOCKETAVAILABLE
#define _MD_PIPEAVAILABLE             _PR_MD_PIPEAVAILABLE
#define _MD_SET_FD_INHERITABLE        _PR_MD_SET_FD_INHERITABLE

#define _MD_INIT_ATOMIC()
#if defined(_M_IX86) || defined(_X86_)
#define _MD_ATOMIC_INCREMENT          _PR_MD_ATOMIC_INCREMENT
#define _MD_ATOMIC_ADD          	  _PR_MD_ATOMIC_ADD
#define _MD_ATOMIC_DECREMENT          _PR_MD_ATOMIC_DECREMENT
#else /* non-x86 processors */
#define _MD_ATOMIC_INCREMENT(x)       InterlockedIncrement((PLONG)x)
#define _MD_ATOMIC_ADD(ptr,val)    (InterlockedExchangeAdd((PLONG)ptr, (LONG)val) + val)
#define _MD_ATOMIC_DECREMENT(x)       InterlockedDecrement((PLONG)x)
#endif /* x86 */
#define _MD_ATOMIC_SET(x,y)           InterlockedExchange((PLONG)x, (LONG)y)

#define _MD_INIT_IO                   _PR_MD_INIT_IO
#define _MD_SOCKET                    _PR_MD_SOCKET
#define _MD_CONNECT                   _PR_MD_CONNECT

#define _MD_ACCEPT(s, a, l, to)       \
        _MD_FAST_ACCEPT(s, a, l, to, PR_FALSE, NULL, NULL)
#define _MD_FAST_ACCEPT(s, a, l, to, fast, cb, cba) \
        _PR_MD_FAST_ACCEPT(s, a, l, to, fast, cb, cba)
#define _MD_ACCEPT_READ(s, ns, ra, buf, l, t) \
        _MD_FAST_ACCEPT_READ(s, ns, ra, buf, l, t, PR_FALSE, NULL, NULL)
#define _MD_FAST_ACCEPT_READ(s, ns, ra, buf, l, t, fast, cb, cba) \
        _PR_MD_FAST_ACCEPT_READ(s, ns, ra, buf, l, t, fast, cb, cba)
#define _MD_UPDATE_ACCEPT_CONTEXT     _PR_MD_UPDATE_ACCEPT_CONTEXT

#define _MD_BIND                      _PR_MD_BIND
#define _MD_RECV                      _PR_MD_RECV
#define _MD_SEND                      _PR_MD_SEND
#define _MD_SENDFILE              	  _PR_MD_SENDFILE
#define _MD_PR_POLL                   _PR_MD_PR_POLL

/* --- Scheduler stuff --- */
#define _MD_PAUSE_CPU                   _PR_MD_PAUSE_CPU

/* --- DIR stuff --- */
#define PR_DIRECTORY_SEPARATOR        '\\'
#define PR_DIRECTORY_SEPARATOR_STR    "\\"
#define PR_PATH_SEPARATOR		';'
#define PR_PATH_SEPARATOR_STR		";"
#define _MD_ERRNO()                   GetLastError()
#define _MD_OPEN_DIR                  _PR_MD_OPEN_DIR
#define _MD_CLOSE_DIR                 _PR_MD_CLOSE_DIR
#define _MD_READ_DIR                  _PR_MD_READ_DIR

/* --- Segment stuff --- */
#define _MD_INIT_SEGS()
#define _MD_ALLOC_SEGMENT(seg, size, vaddr)   0
#define _MD_FREE_SEGMENT(seg)

/* --- Environment Stuff --- */
#define _MD_GET_ENV                 _PR_MD_GET_ENV
#define _MD_PUT_ENV                 _PR_MD_PUT_ENV

/* --- Threading Stuff --- */
#define _MD_DEFAULT_STACK_SIZE            0
#define _MD_INIT_THREAD             _PR_MD_INIT_THREAD
#define _MD_INIT_ATTACHED_THREAD    _PR_MD_INIT_THREAD
#define _MD_CREATE_THREAD           _PR_MD_CREATE_THREAD
#define _MD_JOIN_THREAD             _PR_MD_JOIN_THREAD
#define _MD_END_THREAD              _PR_MD_END_THREAD
#define _MD_YIELD                   _PR_MD_YIELD
#define _MD_SET_PRIORITY            _PR_MD_SET_PRIORITY
#define _MD_CLEAN_THREAD            _PR_MD_CLEAN_THREAD
#define _MD_SETTHREADAFFINITYMASK   _PR_MD_SETTHREADAFFINITYMASK
#define _MD_GETTHREADAFFINITYMASK   _PR_MD_GETTHREADAFFINITYMASK
#define _MD_EXIT_THREAD             _PR_MD_EXIT_THREAD
#define _MD_SUSPEND_THREAD          _PR_MD_SUSPEND_THREAD
#define _MD_RESUME_THREAD           _PR_MD_RESUME_THREAD
#define _MD_SUSPEND_CPU             _PR_MD_SUSPEND_CPU
#define _MD_RESUME_CPU              _PR_MD_RESUME_CPU
#define _MD_BEGIN_SUSPEND_ALL()
#define _MD_BEGIN_RESUME_ALL()
#define _MD_END_SUSPEND_ALL()
#define _MD_END_RESUME_ALL()

extern void _PR_Unblock_IO_Wait(PRThread *thr);

/* --- Lock stuff --- */
#define _MD_NEW_LOCK(lock)            (InitializeCriticalSection(&((lock)->mutex)),PR_SUCCESS)
#define _MD_FREE_LOCK(lock)           DeleteCriticalSection(&((lock)->mutex))
#ifndef PROFILE_LOCKS
#define _MD_LOCK(lock)                EnterCriticalSection(&((lock)->mutex))
#define _MD_TEST_AND_LOCK(lock)       (TryEnterCriticalSection(&((lock)->mutex))== FALSE)
#define _MD_UNLOCK(lock)              LeaveCriticalSection(&((lock)->mutex))
#else
#define _MD_LOCK(lock)                 \
    PR_BEGIN_MACRO \
    BOOL rv = TryEnterCriticalSection(&((lock)->mutex)); \
    if (rv == TRUE) { \
        InterlockedIncrement(&((lock)->hitcount)); \
    } else { \
        InterlockedIncrement(&((lock)->misscount)); \
        EnterCriticalSection(&((lock)->mutex)); \
    } \
    PR_END_MACRO
#define _MD_TEST_AND_LOCK(lock)       0  /* XXXMB */
#define _MD_UNLOCK(lock)              LeaveCriticalSection(&((lock)->mutex))
#endif
#define _PR_LOCK                      _MD_LOCK
#define _PR_UNLOCK					  _MD_UNLOCK

/* --- lock and cv waiting --- */
#define _MD_WAIT                      _PR_MD_WAIT
#define _MD_WAKEUP_WAITER             _PR_MD_WAKEUP_WAITER

   /* XXXMB- the IOQ stuff is certainly not working correctly yet. */
extern  struct _MDLock              _pr_ioq_lock;
#define _MD_IOQ_LOCK()                _MD_LOCK(&_pr_ioq_lock)
#define _MD_IOQ_UNLOCK()              _MD_UNLOCK(&_pr_ioq_lock)


/* --- Initialization stuff --- */
#define _MD_START_INTERRUPTS()
#define _MD_STOP_INTERRUPTS()
#define _MD_DISABLE_CLOCK_INTERRUPTS()
#define _MD_ENABLE_CLOCK_INTERRUPTS()
#define _MD_BLOCK_CLOCK_INTERRUPTS()
#define _MD_UNBLOCK_CLOCK_INTERRUPTS()
#define _MD_EARLY_INIT                _PR_MD_EARLY_INIT
#define _MD_FINAL_INIT()
#define _MD_INIT_CPUS()
#define _MD_INIT_RUNNING_CPU(cpu)

struct PRProcess;
struct PRProcessAttr;

/* --- Create a new process --- */
#define _MD_CREATE_PROCESS _PR_CreateWindowsProcess
extern struct PRProcess * _PR_CreateWindowsProcess(
    const char *path,
    char *const *argv,
    char *const *envp,
    const struct PRProcessAttr *attr
);

#define _MD_DETACH_PROCESS _PR_DetachWindowsProcess
extern PRStatus _PR_DetachWindowsProcess(struct PRProcess *process);

/* --- Wait for a child process to terminate --- */
#define _MD_WAIT_PROCESS _PR_WaitWindowsProcess
extern PRStatus _PR_WaitWindowsProcess(struct PRProcess *process, 
    PRInt32 *exitCode);

#define _MD_KILL_PROCESS _PR_KillWindowsProcess
extern PRStatus _PR_KillWindowsProcess(struct PRProcess *process);

/* --- User Threading stuff --- */
#define HAVE_FIBERS
#define _MD_CREATE_USER_THREAD            _PR_MD_CREATE_USER_THREAD
#define _MD_CREATE_PRIMORDIAL_USER_THREAD _PR_MD_CREATE_PRIMORDIAL_USER_THREAD
#define _MD_CLEANUP_BEFORE_EXIT           _PR_MD_CLEANUP_BEFORE_EXIT
#define _MD_EXIT                          _PR_MD_EXIT
#define _MD_INIT_CONTEXT                  _PR_MD_INIT_CONTEXT
#define _MD_SWITCH_CONTEXT                _PR_MD_SWITCH_CONTEXT
#define _MD_RESTORE_CONTEXT               _PR_MD_RESTORE_CONTEXT

/* --- Intervals --- */
#define _MD_INTERVAL_INIT                 _PR_MD_INTERVAL_INIT
#define _MD_GET_INTERVAL                  _PR_MD_GET_INTERVAL
#define _MD_INTERVAL_PER_SEC              _PR_MD_INTERVAL_PER_SEC
#define _MD_INTERVAL_PER_MILLISEC()       (_PR_MD_INTERVAL_PER_SEC() / 1000)
#define _MD_INTERVAL_PER_MICROSEC()       (_PR_MD_INTERVAL_PER_SEC() / 1000000)

/* --- Native-Thread Specific Definitions ------------------------------- */

extern BOOL _pr_use_static_tls;

extern __declspec(thread) struct PRThread *_pr_current_fiber;
extern DWORD _pr_currentFiberIndex;

#define _MD_GET_ATTACHED_THREAD() \
    (_pr_use_static_tls ? _pr_current_fiber \
    : (PRThread *) TlsGetValue(_pr_currentFiberIndex))

extern struct PRThread * _MD_CURRENT_THREAD(void);

#define _MD_SET_CURRENT_THREAD(_thread) \
    PR_BEGIN_MACRO \
        if (_pr_use_static_tls) { \
            _pr_current_fiber = (_thread); \
        } else { \
            TlsSetValue(_pr_currentFiberIndex, (_thread)); \
        } \
    PR_END_MACRO

extern __declspec(thread) struct PRThread *_pr_fiber_last_run;
extern DWORD _pr_lastFiberIndex;

#define _MD_LAST_THREAD() \
    (_pr_use_static_tls ? _pr_fiber_last_run \
    : (PRThread *) TlsGetValue(_pr_lastFiberIndex))

#define _MD_SET_LAST_THREAD(_thread) \
    PR_BEGIN_MACRO \
        if (_pr_use_static_tls) { \
            _pr_fiber_last_run = (_thread); \
        } else { \
            TlsSetValue(_pr_lastFiberIndex, (_thread)); \
        } \
    PR_END_MACRO

extern __declspec(thread) struct _PRCPU *_pr_current_cpu;
extern DWORD _pr_currentCPUIndex;

#define _MD_CURRENT_CPU() \
    (_pr_use_static_tls ? _pr_current_cpu \
    : (struct _PRCPU *) TlsGetValue(_pr_currentCPUIndex))

#define _MD_SET_CURRENT_CPU(_cpu) \
    PR_BEGIN_MACRO \
        if (_pr_use_static_tls) { \
            _pr_current_cpu = (_cpu); \
        } else { \
            TlsSetValue(_pr_currentCPUIndex, (_cpu)); \
        } \
    PR_END_MACRO

extern __declspec(thread) PRUintn _pr_ints_off;
extern DWORD _pr_intsOffIndex;

#define _MD_GET_INTSOFF() \
    (_pr_use_static_tls ? _pr_ints_off \
    : (PRUintn) TlsGetValue(_pr_intsOffIndex))

#define _MD_SET_INTSOFF(_val) \
    PR_BEGIN_MACRO \
        if (_pr_use_static_tls) { \
            _pr_ints_off = (_val); \
        } else { \
            TlsSetValue(_pr_intsOffIndex, (LPVOID) (_val)); \
        } \
    PR_END_MACRO

/* --- Initialization stuff --- */
#define _MD_INIT_LOCKS()

/* --- Stack stuff --- */
#define _MD_INIT_STACK(stack, redzone)
#define _MD_CLEAR_STACK(stack)

/* --- Memory-mapped files stuff --- */

struct _MDFileMap {
    HANDLE hFileMap;
    DWORD dwAccess;
};

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

/* --- Named semaphores stuff --- */
#define _PR_HAVE_NAMED_SEMAPHORES
#define _MD_OPEN_SEMAPHORE            _PR_MD_OPEN_SEMAPHORE
#define _MD_WAIT_SEMAPHORE            _PR_MD_WAIT_SEMAPHORE
#define _MD_POST_SEMAPHORE            _PR_MD_POST_SEMAPHORE
#define _MD_CLOSE_SEMAPHORE           _PR_MD_CLOSE_SEMAPHORE
#define _MD_DELETE_SEMAPHORE(name)    PR_SUCCESS  /* no op */

#endif /* nspr_win32_defs_h___ */