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pjs/nsprpub/pr/include/md/_winnt.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nspr_win32_defs_h___
#define nspr_win32_defs_h___
/* Need to force service-pack 3 extensions to be defined by
** setting _WIN32_WINNT to NT 4.0 for winsock.h, winbase.h, winnt.h.
*/
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x0400
#elif (_WIN32_WINNT < 0x0400)
#undef _WIN32_WINNT
#define _WIN32_WINNT 0x0400
#endif /* _WIN32_WINNT */
#include <windows.h>
#include <winsock.h>
#include <errno.h>
#include "prio.h"
#include "prclist.h"
/*
* Internal configuration macros
*/
#define PR_LINKER_ARCH "win32"
#define _PR_SI_SYSNAME "WINNT"
#define _PR_SI_ARCHITECTURE "x86" /* XXXMB hardcode for now */
#define HAVE_DLL
#define HAVE_CUSTOM_USER_THREADS
#define HAVE_THREAD_AFFINITY
#define HAVE_SOCKET_REUSEADDR
#define HAVE_SOCKET_KEEPALIVE
#define _PR_HAVE_ATOMIC_OPS
#define _PR_HAVE_ATOMIC_CAS
/* --- Common User-Thread/Native-Thread Definitions --------------------- */
/* --- Globals --- */
extern struct PRLock *_pr_schedLock;
/* --- Typedefs --- */
typedef void (*FiberFunc)(void *);
#define PR_NUM_GCREGS 8
typedef PRInt32 PR_CONTEXT_TYPE[PR_NUM_GCREGS];
#define GC_VMBASE 0x40000000
#define GC_VMLIMIT 0x00FFFFFF
#define _MD_MAGIC_THREAD 0x22222222
#define _MD_MAGIC_THREADSTACK 0x33333333
#define _MD_MAGIC_SEGMENT 0x44444444
#define _MD_MAGIC_DIR 0x55555555
struct _MDCPU {
int unused;
};
enum _MDIOModel {
_MD_BlockingIO = 0x38,
_MD_MultiWaitIO = 0x49
};
typedef struct _MDOverlapped {
OVERLAPPED overlapped; /* Used for async I/O */
enum _MDIOModel ioModel; /* The I/O model to implement
* using overlapped I/O.
*/
union {
struct _MDThread *mdThread; /* For blocking I/O, this structure
* is embedded in the _MDThread
* structure.
*/
struct {
PRCList links; /* for group->io_ready list */
struct PRRecvWait *desc; /* For multiwait I/O, this structure
* is associated with a PRRecvWait
* structure.
*/
struct PRWaitGroup *group;
struct TimerEvent *timer;
DWORD error;
} mw;
} data;
} _MDOverlapped;
struct _MDThread {
/* The overlapped structure must be first! */
struct _MDOverlapped overlapped; /* Used for async IO for this thread */
void *acceptex_buf; /* Used for AcceptEx() */
TRANSMIT_FILE_BUFFERS *xmit_bufs; /* Used for TransmitFile() */
HANDLE blocked_sema; /* Threads block on this when waiting
* for IO or CondVar.
*/
PRInt32 blocked_io_status; /* Status of the completed IO */
PRInt32 blocked_io_bytes; /* Bytes transferred for completed IO */
PRInt32 blocked_io_error; /* Save error if status is FALSE */
HANDLE handle;
PRUint32 id;
void *sp; /* only valid when suspended */
PRUint32 magic; /* for debugging */
PR_CONTEXT_TYPE gcContext; /* Thread context for GC */
/* The following are used only if this is a fiber */
void *fiber_id; /* flag whether or not this is a fiber*/
FiberFunc fiber_fn; /* main fiber routine */
void *fiber_arg; /* arg to main fiber routine */
PRUint32 fiber_stacksize; /* stacksize for fiber */
PRInt32 fiber_last_error; /* last error for the fiber */
};
struct _MDThreadStack {
PRUint32 magic; /* for debugging */
};
struct _MDSegment {
PRUint32 magic; /* for debugging */
};
#undef PROFILE_LOCKS
struct _MDLock {
CRITICAL_SECTION mutex; /* this is recursive on NT */
#ifdef PROFILE_LOCKS
PRInt32 hitcount;
PRInt32 misscount;
#endif
};
struct _MDDir {
HANDLE d_hdl;
WIN32_FIND_DATA d_entry;
PRBool firstEntry; /* Is this the entry returned
* by FindFirstFile()? */
PRUint32 magic; /* for debugging */
};
struct _MDCVar {
PRUint32 unused;
};
struct _MDSemaphore {
HANDLE sem;
};
struct _MDFileDesc {
PRInt32 osfd; /* The osfd can come from one of three spaces:
* - For stdin, stdout, and stderr, we are using
* the libc file handle (0, 1, 2), which is an int.
* - For files and pipes, we are using Win32 HANDLE,
* which is a void*.
* - For sockets, we are using Winsock SOCKET, which
* is a u_int.
*/
PRBool io_model_committed; /* The io model (blocking or nonblocking)
* for this osfd has been committed and
* cannot be changed. The osfd has been
* either associated with the io
* completion port or made nonblocking.
* This is only used for sockets, not
* for files. */
PRBool nonoverlapped;
PRBool accepted_socket; /* Is this an accepted socket (on the
* server side)? */
PRNetAddr peer_addr; /* If this is an accepted socket, cache
* the peer's address returned by
* AcceptEx(). This is to work around
* the bug that getpeername() on an
* socket accepted by AcceptEx() returns
* an all-zero net address. */
};
struct _MDProcess {
HANDLE handle;
DWORD id;
};
/* --- Misc stuff --- */
#define _MD_GET_SP(thread) (thread)->md.gcContext[6]
/* --- IO stuff --- */
extern PRInt32 _md_Associate(HANDLE);
extern PRInt32 _PR_MD_CLOSE(PRInt32 osfd, PRBool socket);
#define _MD_OPEN _PR_MD_OPEN
#define _MD_READ _PR_MD_READ
#define _MD_WRITE _PR_MD_WRITE
#define _MD_WRITEV _PR_MD_WRITEV
#define _MD_LSEEK _PR_MD_LSEEK
#define _MD_LSEEK64 _PR_MD_LSEEK64
#define _MD_CLOSE_FILE(f) _PR_MD_CLOSE(f, PR_FALSE)
#define _MD_GETFILEINFO _PR_MD_GETFILEINFO
#define _MD_GETFILEINFO64 _PR_MD_GETFILEINFO64
#define _MD_GETOPENFILEINFO _PR_MD_GETOPENFILEINFO
#define _MD_GETOPENFILEINFO64 _PR_MD_GETOPENFILEINFO64
#define _MD_STAT _PR_MD_STAT
#define _MD_RENAME _PR_MD_RENAME
#define _MD_ACCESS _PR_MD_ACCESS
#define _MD_DELETE _PR_MD_DELETE
#define _MD_MKDIR _PR_MD_MKDIR
#define _MD_RMDIR _PR_MD_RMDIR
#define _MD_LOCKFILE _PR_MD_LOCKFILE
#define _MD_TLOCKFILE _PR_MD_TLOCKFILE
#define _MD_UNLOCKFILE _PR_MD_UNLOCKFILE
/* --- Socket IO stuff --- */
#define _MD_GET_SOCKET_ERROR() WSAGetLastError()
#define _MD_SET_SOCKET_ERROR(_err) WSASetLastError(_err)
#define _MD_MAKE_NONBLOCK _PR_MD_MAKE_NONBLOCK
#define _MD_SHUTDOWN _PR_MD_SHUTDOWN
#define _MD_LISTEN _PR_MD_LISTEN
#define _MD_CLOSE_SOCKET(s) _PR_MD_CLOSE(s, PR_TRUE)
#define _MD_SENDTO _PR_MD_SENDTO
#define _MD_RECVFROM _PR_MD_RECVFROM
#define _MD_SOCKETPAIR(s, type, proto, sv) -1
#define _MD_GETSOCKNAME _PR_MD_GETSOCKNAME
#define _MD_GETPEERNAME _PR_MD_GETPEERNAME
#define _MD_GETSOCKOPT _PR_MD_GETSOCKOPT
#define _MD_SETSOCKOPT _PR_MD_SETSOCKOPT
#define _MD_SELECT select
#define _MD_FSYNC _PR_MD_FSYNC
#define _MD_SOCKETAVAILABLE _PR_MD_SOCKETAVAILABLE
#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_TRANSMITFILE _PR_MD_TRANSMITFILE
#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_INIT_PRIMORDIAL_THREAD _PR_MD_INIT_PRIMORDIAL_THREAD
#define _MD_CREATE_THREAD _PR_MD_CREATE_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()
/* --- 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) 0 /* XXXMB */
#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 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
#endif /* nspr_win32_defs_h___ */
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