зеркало из https://github.com/mozilla/pjs.git
483 строки
18 KiB
C
483 строки
18 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998-2000 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL.
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*/
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#ifndef nspr_win95_defs_h___
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#define nspr_win95_defs_h___
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#include "prio.h"
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#include <windows.h>
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#include <winsock.h>
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#include <errno.h>
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/*
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* Internal configuration macros
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*/
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#define PR_LINKER_ARCH "win32"
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#define _PR_SI_SYSNAME "WIN95"
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#define _PR_SI_ARCHITECTURE "x86" /* XXXMB hardcode for now */
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#define HAVE_DLL
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#undef HAVE_THREAD_AFFINITY
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#define _PR_HAVE_ATOMIC_OPS
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#define PR_HAVE_WIN32_NAMED_SHARED_MEMORY
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/* --- Common User-Thread/Native-Thread Definitions --------------------- */
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/* --- Globals --- */
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extern struct PRLock *_pr_schedLock;
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/* --- Typedefs --- */
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typedef void (*FiberFunc)(void *);
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#define PR_NUM_GCREGS 8
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typedef PRInt32 PR_CONTEXT_TYPE[PR_NUM_GCREGS];
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#define GC_VMBASE 0x40000000
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#define GC_VMLIMIT 0x00FFFFFF
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#define _MD_MAGIC_THREAD 0x22222222
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#define _MD_MAGIC_THREADSTACK 0x33333333
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#define _MD_MAGIC_SEGMENT 0x44444444
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#define _MD_MAGIC_DIR 0x55555555
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#define _MD_MAGIC_CV 0x66666666
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struct _MDCPU {
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int unused;
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};
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struct _MDThread {
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HANDLE blocked_sema; /* Threads block on this when waiting
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* for IO or CondVar.
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*/
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PRBool inCVWaitQueue; /* PR_TRUE if the thread is in the
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* wait queue of some cond var.
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* PR_FALSE otherwise. */
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HANDLE handle; /* Win32 thread handle */
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PRUint32 id;
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void *sp; /* only valid when suspended */
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PRUint32 magic; /* for debugging */
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PR_CONTEXT_TYPE gcContext; /* Thread context for GC */
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struct PRThread *prev, *next; /* used by the cvar wait queue to
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* chain the PRThread structures
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* together */
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};
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struct _MDThreadStack {
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PRUint32 magic; /* for debugging */
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};
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struct _MDSegment {
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PRUint32 magic; /* for debugging */
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};
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#undef PROFILE_LOCKS
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struct _MDDir {
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HANDLE d_hdl;
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WIN32_FIND_DATA d_entry;
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PRBool firstEntry; /* Is this the entry returned
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* by FindFirstFile()? */
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PRUint32 magic; /* for debugging */
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};
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struct _MDCVar {
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PRUint32 magic;
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struct PRThread *waitHead, *waitTail; /* the wait queue: a doubly-
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* linked list of threads
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* waiting on this condition
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* variable */
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PRIntn nwait; /* number of threads in the
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* wait queue */
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};
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#define _MD_CV_NOTIFIED_LENGTH 6
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typedef struct _MDNotified _MDNotified;
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struct _MDNotified {
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PRIntn length; /* # of used entries in this
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* structure */
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struct {
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struct _MDCVar *cv; /* the condition variable notified */
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PRIntn times; /* and the number of times notified */
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struct PRThread *notifyHead; /* list of threads to wake up */
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} cv[_MD_CV_NOTIFIED_LENGTH];
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_MDNotified *link; /* link to another of these, or NULL */
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};
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struct _MDLock {
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CRITICAL_SECTION mutex; /* this is recursive on NT */
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/*
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* When notifying cvars, there is no point in actually
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* waking up the threads waiting on the cvars until we've
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* released the lock. So, we temporarily record the cvars.
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* When doing an unlock, we'll then wake up the waiting threads.
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*/
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struct _MDNotified notified; /* array of conditions notified */
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#ifdef PROFILE_LOCKS
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PRInt32 hitcount;
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PRInt32 misscount;
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#endif
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};
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struct _MDSemaphore {
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HANDLE sem;
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};
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struct _MDFileDesc {
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PRInt32 osfd; /* The osfd can come from one of three spaces:
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* - For stdin, stdout, and stderr, we are using
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* the libc file handle (0, 1, 2), which is an int.
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* - For files and pipes, we are using Win32 HANDLE,
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* which is a void*.
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* - For sockets, we are using Winsock SOCKET, which
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* is a u_int.
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*/
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};
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struct _MDProcess {
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HANDLE handle;
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DWORD id;
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};
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/* --- Misc stuff --- */
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#define _MD_GET_SP(thread) (thread)->md.gcContext[6]
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/* --- NT security stuff --- */
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extern void _PR_NT_InitSids(void);
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extern void _PR_NT_FreeSids(void);
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extern PRStatus _PR_NT_MakeSecurityDescriptorACL(
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PRIntn mode,
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DWORD accessTable[],
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PSECURITY_DESCRIPTOR *resultSD,
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PACL *resultACL
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);
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extern void _PR_NT_FreeSecurityDescriptorACL(
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PSECURITY_DESCRIPTOR pSD, PACL pACL);
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/* --- IO stuff --- */
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#define _MD_OPEN _PR_MD_OPEN
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#define _MD_OPEN_FILE _PR_MD_OPEN_FILE
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#define _MD_READ _PR_MD_READ
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#define _MD_WRITE _PR_MD_WRITE
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#define _MD_WRITEV _PR_MD_WRITEV
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#define _MD_LSEEK _PR_MD_LSEEK
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#define _MD_LSEEK64 _PR_MD_LSEEK64
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extern PRInt32 _MD_CloseFile(PRInt32 osfd);
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#define _MD_CLOSE_FILE _MD_CloseFile
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#define _MD_GETFILEINFO _PR_MD_GETFILEINFO
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#define _MD_GETFILEINFO64 _PR_MD_GETFILEINFO64
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#define _MD_GETOPENFILEINFO _PR_MD_GETOPENFILEINFO
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#define _MD_GETOPENFILEINFO64 _PR_MD_GETOPENFILEINFO64
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#define _MD_STAT _PR_MD_STAT
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#define _MD_RENAME _PR_MD_RENAME
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#define _MD_ACCESS _PR_MD_ACCESS
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#define _MD_DELETE _PR_MD_DELETE
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#define _MD_MKDIR _PR_MD_MKDIR
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#define _MD_MAKE_DIR _PR_MD_MAKE_DIR
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#define _MD_RMDIR _PR_MD_RMDIR
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#define _MD_LOCKFILE _PR_MD_LOCKFILE
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#define _MD_TLOCKFILE _PR_MD_TLOCKFILE
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#define _MD_UNLOCKFILE _PR_MD_UNLOCKFILE
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/* --- Socket IO stuff --- */
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#define _MD_EACCES WSAEACCES
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#define _MD_EADDRINUSE WSAEADDRINUSE
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#define _MD_EADDRNOTAVAIL WSAEADDRNOTAVAIL
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#define _MD_EAFNOSUPPORT WSAEAFNOSUPPORT
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#define _MD_EAGAIN WSAEWOULDBLOCK
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#define _MD_EALREADY WSAEALREADY
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#define _MD_EBADF WSAEBADF
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#define _MD_ECONNREFUSED WSAECONNREFUSED
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#define _MD_ECONNRESET WSAECONNRESET
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#define _MD_EFAULT WSAEFAULT
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#define _MD_EINPROGRESS WSAEINPROGRESS
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#define _MD_EINTR WSAEINTR
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#define _MD_EINVAL EINVAL
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#define _MD_EISCONN WSAEISCONN
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#define _MD_ENETUNREACH WSAENETUNREACH
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#define _MD_ENOENT ENOENT
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#define _MD_ENOTCONN WSAENOTCONN
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#define _MD_ENOTSOCK WSAENOTSOCK
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#define _MD_EOPNOTSUPP WSAEOPNOTSUPP
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#define _MD_EWOULDBLOCK WSAEWOULDBLOCK
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#define _MD_GET_SOCKET_ERROR() WSAGetLastError()
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#define _MD_SET_SOCKET_ERROR(_err) WSASetLastError(_err)
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#define _MD_INIT_FILEDESC(fd)
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extern void _MD_MakeNonblock(PRFileDesc *f);
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#define _MD_MAKE_NONBLOCK _MD_MakeNonblock
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#define _MD_INIT_FD_INHERITABLE _PR_MD_INIT_FD_INHERITABLE
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#define _MD_QUERY_FD_INHERITABLE _PR_MD_QUERY_FD_INHERITABLE
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#define _MD_SHUTDOWN _PR_MD_SHUTDOWN
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#define _MD_LISTEN(s, backlog) listen(s->secret->md.osfd,backlog)
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extern PRInt32 _MD_CloseSocket(PRInt32 osfd);
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#define _MD_CLOSE_SOCKET _MD_CloseSocket
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#define _MD_SENDTO _PR_MD_SENDTO
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#define _MD_RECVFROM _PR_MD_RECVFROM
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#define _MD_SOCKETPAIR(s, type, proto, sv) -1
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#define _MD_GETSOCKNAME _PR_MD_GETSOCKNAME
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#define _MD_GETPEERNAME _PR_MD_GETPEERNAME
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#define _MD_GETSOCKOPT _PR_MD_GETSOCKOPT
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#define _MD_SETSOCKOPT _PR_MD_SETSOCKOPT
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#define _MD_SET_FD_INHERITABLE _PR_MD_SET_FD_INHERITABLE
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#define _MD_SELECT select
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#define _MD_FSYNC _PR_MD_FSYNC
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#define READ_FD 1
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#define WRITE_FD 2
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#define _MD_INIT_ATOMIC()
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#if defined(_M_IX86) || defined(_X86_)
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#define _MD_ATOMIC_INCREMENT _PR_MD_ATOMIC_INCREMENT
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#define _MD_ATOMIC_ADD _PR_MD_ATOMIC_ADD
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#define _MD_ATOMIC_DECREMENT _PR_MD_ATOMIC_DECREMENT
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#else /* non-x86 processors */
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#define _MD_ATOMIC_INCREMENT(x) InterlockedIncrement((PLONG)x)
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#define _MD_ATOMIC_ADD(ptr,val) (InterlockedExchangeAdd((PLONG)ptr, (LONG)val) + val)
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#define _MD_ATOMIC_DECREMENT(x) InterlockedDecrement((PLONG)x)
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#endif /* x86 */
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#define _MD_ATOMIC_SET(x,y) InterlockedExchange((PLONG)x, (LONG)y)
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#define _MD_INIT_IO _PR_MD_INIT_IO
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/* win95 doesn't have async IO */
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#define _MD_SOCKET _PR_MD_SOCKET
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extern PRInt32 _MD_SocketAvailable(PRFileDesc *fd);
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#define _MD_SOCKETAVAILABLE _MD_SocketAvailable
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#define _MD_PIPEAVAILABLE _PR_MD_PIPEAVAILABLE
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#define _MD_CONNECT _PR_MD_CONNECT
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extern PRInt32 _MD_Accept(PRFileDesc *fd, PRNetAddr *raddr, PRUint32 *rlen,
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PRIntervalTime timeout);
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#define _MD_ACCEPT _MD_Accept
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#define _MD_BIND _PR_MD_BIND
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#define _MD_RECV _PR_MD_RECV
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#define _MD_SEND _PR_MD_SEND
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#define _MD_PR_POLL _PR_MD_PR_POLL
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/* --- Scheduler stuff --- */
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// #define _MD_PAUSE_CPU _PR_MD_PAUSE_CPU
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#define _MD_PAUSE_CPU
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/* --- DIR stuff --- */
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#define PR_DIRECTORY_SEPARATOR '\\'
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#define PR_DIRECTORY_SEPARATOR_STR "\\"
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#define PR_PATH_SEPARATOR ';'
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#define PR_PATH_SEPARATOR_STR ";"
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#define _MD_ERRNO() GetLastError()
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#define _MD_OPEN_DIR _PR_MD_OPEN_DIR
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#define _MD_CLOSE_DIR _PR_MD_CLOSE_DIR
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#define _MD_READ_DIR _PR_MD_READ_DIR
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/* --- Segment stuff --- */
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#define _MD_INIT_SEGS()
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#define _MD_ALLOC_SEGMENT(seg, size, vaddr) 0
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#define _MD_FREE_SEGMENT(seg)
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/* --- Environment Stuff --- */
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#define _MD_GET_ENV _PR_MD_GET_ENV
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#define _MD_PUT_ENV _PR_MD_PUT_ENV
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/* --- Threading Stuff --- */
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#define _MD_DEFAULT_STACK_SIZE 0
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#define _MD_INIT_THREAD _PR_MD_INIT_THREAD
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#define _MD_INIT_ATTACHED_THREAD _PR_MD_INIT_THREAD
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#define _MD_CREATE_THREAD _PR_MD_CREATE_THREAD
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#define _MD_YIELD _PR_MD_YIELD
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#define _MD_SET_PRIORITY _PR_MD_SET_PRIORITY
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#define _MD_CLEAN_THREAD _PR_MD_CLEAN_THREAD
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#define _MD_SETTHREADAFFINITYMASK _PR_MD_SETTHREADAFFINITYMASK
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#define _MD_GETTHREADAFFINITYMASK _PR_MD_GETTHREADAFFINITYMASK
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#define _MD_EXIT_THREAD _PR_MD_EXIT_THREAD
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#define _MD_EXIT _PR_MD_EXIT
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#define _MD_SUSPEND_THREAD _PR_MD_SUSPEND_THREAD
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#define _MD_RESUME_THREAD _PR_MD_RESUME_THREAD
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#define _MD_SUSPEND_CPU _PR_MD_SUSPEND_CPU
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#define _MD_RESUME_CPU _PR_MD_RESUME_CPU
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#define _MD_BEGIN_SUSPEND_ALL()
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#define _MD_BEGIN_RESUME_ALL()
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#define _MD_END_SUSPEND_ALL()
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#define _MD_END_RESUME_ALL()
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/* --- Lock stuff --- */
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#define _PR_LOCK _MD_LOCK
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#define _PR_UNLOCK _MD_UNLOCK
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#define _MD_NEW_LOCK(lock) (InitializeCriticalSection(&((lock)->mutex)),(lock)->notified.length=0,(lock)->notified.link=NULL,PR_SUCCESS)
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#define _MD_FREE_LOCK(lock) DeleteCriticalSection(&((lock)->mutex))
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#define _MD_LOCK(lock) EnterCriticalSection(&((lock)->mutex))
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#define _MD_TEST_AND_LOCK(lock) (EnterCriticalSection(&((lock)->mutex)),PR_SUCCESS)
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#define _MD_UNLOCK _PR_MD_UNLOCK
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/* --- lock and cv waiting --- */
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#define _MD_WAIT _PR_MD_WAIT
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#define _MD_WAKEUP_WAITER _PR_MD_WAKEUP_WAITER
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/* --- CVar ------------------- */
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#define _MD_WAIT_CV _PR_MD_WAIT_CV
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#define _MD_NEW_CV _PR_MD_NEW_CV
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#define _MD_FREE_CV _PR_MD_FREE_CV
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#define _MD_NOTIFY_CV _PR_MD_NOTIFY_CV
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#define _MD_NOTIFYALL_CV _PR_MD_NOTIFYALL_CV
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/* XXXMB- the IOQ stuff is certainly not working correctly yet. */
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// extern struct _MDLock _pr_ioq_lock;
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#define _MD_IOQ_LOCK()
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#define _MD_IOQ_UNLOCK()
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/* --- Initialization stuff --- */
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#define _MD_START_INTERRUPTS()
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#define _MD_STOP_INTERRUPTS()
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#define _MD_DISABLE_CLOCK_INTERRUPTS()
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#define _MD_ENABLE_CLOCK_INTERRUPTS()
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#define _MD_BLOCK_CLOCK_INTERRUPTS()
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#define _MD_UNBLOCK_CLOCK_INTERRUPTS()
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#define _MD_EARLY_INIT _PR_MD_EARLY_INIT
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#define _MD_FINAL_INIT()
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#define _MD_INIT_CPUS()
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#define _MD_INIT_RUNNING_CPU(cpu)
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struct PRProcess;
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struct PRProcessAttr;
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#define _MD_CREATE_PROCESS _PR_CreateWindowsProcess
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extern struct PRProcess * _PR_CreateWindowsProcess(
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const char *path,
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char *const *argv,
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char *const *envp,
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const struct PRProcessAttr *attr
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);
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#define _MD_DETACH_PROCESS _PR_DetachWindowsProcess
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extern PRStatus _PR_DetachWindowsProcess(struct PRProcess *process);
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/* --- Wait for a child process to terminate --- */
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#define _MD_WAIT_PROCESS _PR_WaitWindowsProcess
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extern PRStatus _PR_WaitWindowsProcess(struct PRProcess *process,
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PRInt32 *exitCode);
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#define _MD_KILL_PROCESS _PR_KillWindowsProcess
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extern PRStatus _PR_KillWindowsProcess(struct PRProcess *process);
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#define _MD_CLEANUP_BEFORE_EXIT _PR_MD_CLEANUP_BEFORE_EXIT
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#define _MD_INIT_CONTEXT
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#define _MD_SWITCH_CONTEXT
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#define _MD_RESTORE_CONTEXT
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/* --- Intervals --- */
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#define _MD_INTERVAL_INIT _PR_MD_INTERVAL_INIT
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#define _MD_GET_INTERVAL _PR_MD_GET_INTERVAL
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#define _MD_INTERVAL_PER_SEC _PR_MD_INTERVAL_PER_SEC
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#define _MD_INTERVAL_PER_MILLISEC() (_PR_MD_INTERVAL_PER_SEC() / 1000)
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#define _MD_INTERVAL_PER_MICROSEC() (_PR_MD_INTERVAL_PER_SEC() / 1000000)
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/* --- Native-Thread Specific Definitions ------------------------------- */
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extern struct PRThread * _MD_CURRENT_THREAD(void);
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#ifdef _PR_USE_STATIC_TLS
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extern __declspec(thread) struct PRThread *_pr_currentThread;
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#define _MD_GET_ATTACHED_THREAD() _pr_currentThread
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#define _MD_SET_CURRENT_THREAD(_thread) (_pr_currentThread = (_thread))
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extern __declspec(thread) struct PRThread *_pr_thread_last_run;
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#define _MD_LAST_THREAD() _pr_thread_last_run
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#define _MD_SET_LAST_THREAD(_thread) (_pr_thread_last_run = 0)
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extern __declspec(thread) struct _PRCPU *_pr_currentCPU;
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#define _MD_CURRENT_CPU() _pr_currentCPU
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#define _MD_SET_CURRENT_CPU(_cpu) (_pr_currentCPU = 0)
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#else /* _PR_USE_STATIC_TLS */
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extern DWORD _pr_currentThreadIndex;
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#define _MD_GET_ATTACHED_THREAD() ((PRThread *) TlsGetValue(_pr_currentThreadIndex))
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#define _MD_SET_CURRENT_THREAD(_thread) TlsSetValue(_pr_currentThreadIndex, (_thread))
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extern DWORD _pr_lastThreadIndex;
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#define _MD_LAST_THREAD() ((PRThread *) TlsGetValue(_pr_lastThreadIndex))
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#define _MD_SET_LAST_THREAD(_thread) TlsSetValue(_pr_lastThreadIndex, 0)
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extern DWORD _pr_currentCPUIndex;
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#define _MD_CURRENT_CPU() ((struct _PRCPU *) TlsGetValue(_pr_currentCPUIndex))
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#define _MD_SET_CURRENT_CPU(_cpu) TlsSetValue(_pr_currentCPUIndex, 0)
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#endif /* _PR_USE_STATIC_TLS */
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/* --- Scheduler stuff --- */
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#define LOCK_SCHEDULER() 0
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#define UNLOCK_SCHEDULER() 0
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#define _PR_LockSched() 0
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#define _PR_UnlockSched() 0
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/* --- Initialization stuff --- */
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#define _MD_INIT_LOCKS()
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/* --- Stack stuff --- */
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#define _MD_INIT_STACK(stack, redzone)
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#define _MD_CLEAR_STACK(stack)
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/* --- Memory-mapped files stuff --- */
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struct _MDFileMap {
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HANDLE hFileMap;
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DWORD dwAccess;
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};
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extern PRStatus _MD_CreateFileMap(struct PRFileMap *fmap, PRInt64 size);
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#define _MD_CREATE_FILE_MAP _MD_CreateFileMap
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extern PRInt32 _MD_GetMemMapAlignment(void);
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#define _MD_GET_MEM_MAP_ALIGNMENT _MD_GetMemMapAlignment
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extern void * _MD_MemMap(struct PRFileMap *fmap, PRInt64 offset,
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PRUint32 len);
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#define _MD_MEM_MAP _MD_MemMap
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extern PRStatus _MD_MemUnmap(void *addr, PRUint32 size);
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#define _MD_MEM_UNMAP _MD_MemUnmap
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extern PRStatus _MD_CloseFileMap(struct PRFileMap *fmap);
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#define _MD_CLOSE_FILE_MAP _MD_CloseFileMap
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/* --- Named semaphores stuff --- */
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#define _PR_HAVE_NAMED_SEMAPHORES
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#define _MD_OPEN_SEMAPHORE _PR_MD_OPEN_SEMAPHORE
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#define _MD_WAIT_SEMAPHORE _PR_MD_WAIT_SEMAPHORE
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#define _MD_POST_SEMAPHORE _PR_MD_POST_SEMAPHORE
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#define _MD_CLOSE_SEMAPHORE _PR_MD_CLOSE_SEMAPHORE
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#define _MD_DELETE_SEMAPHORE(name) PR_SUCCESS /* no op */
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#endif /* nspr_win32_defs_h___ */
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