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557 lines
19 KiB
C
557 lines
19 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 Netscape Public License
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* Version 1.1 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nspr_win16_defs_h___
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#define nspr_win16_defs_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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#include <direct.h>
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#include "nspr.h"
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/* $$ fix this */
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#define Remind(x)
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/*
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* Internal configuration macros
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*/
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#define PR_LINKER_ARCH "win16"
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#define _PR_SI_SYSNAME "WIN16"
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#define _PR_SI_ARCHITECTURE "x86" /* XXXMB hardcode for now */
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#define HAVE_DLL
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#define _PR_NO_PREEMPT
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#define _PR_LOCAL_THREADS_ONLY
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#undef _PR_GLOBAL_THREADS_ONLY
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#undef HAVE_THREAD_AFFINITY
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#define HAVE_SOCKET_REUSEADDR
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#define HAVE_SOCKET_KEEPALIVE
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#define _PR_HAVE_ATOMIC_OPS
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/* --- Common User-Thread/Native-Thread Definitions --------------------- */
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extern struct PRLock *_pr_schedLock;
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extern char * _pr_top_of_task_stack;
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/* --- Typedefs --- */
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#define PR_NUM_GCREGS 9
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typedef PRInt32 PR_CONTEXT_TYPE[PR_NUM_GCREGS];
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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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typedef struct _PRWin16PollDesc
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{
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PRInt32 osfd;
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PRInt16 in_flags;
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PRInt16 out_flags;
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} _PRWin16PollDesc;
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typedef struct PRPollQueue
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{
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PRCList links; /* for linking PRPollQueue's together */
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_PRWin16PollDesc *pds; /* array of poll descriptors */
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PRUintn npds; /* length of the array */
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PRPackedBool on_ioq; /* is this on the async i/o work q? */
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PRIntervalTime timeout; /* timeout, in ticks */
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struct PRThread *thr;
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} PRPollQueue;
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#define _PR_POLLQUEUE_PTR(_qp) \
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((PRPollQueue *) ((char*) (_qp) - offsetof(PRPollQueue,links)))
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PR_EXTERN(PRInt32) _PR_WaitForFD(PRInt32 osfd, PRUintn how,
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PRIntervalTime timeout);
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PR_EXTERN(void) _PR_Unblock_IO_Wait(struct PRThread *thr);
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#define _PR_MD_MAX_OSFD FD_SETSIZE
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#define _PR_IOQ(_cpu) ((_cpu)->md.ioQ)
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#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
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#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.fd_read_set)
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#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.fd_read_cnt)
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#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.fd_write_set)
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#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.fd_write_cnt)
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#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.fd_exception_set)
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#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.fd_exception_cnt)
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#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.ioq_timeout)
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#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.ioq_max_osfd)
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struct _MDCPU {
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PRCList ioQ;
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fd_set fd_read_set, fd_write_set, fd_exception_set;
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PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
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fd_exception_cnt[_PR_MD_MAX_OSFD];
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PRUint32 ioq_timeout;
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PRInt32 ioq_max_osfd;
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};
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struct _MDThread {
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/* The overlapped structure must be first! */
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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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PRInt32 errcode; /* preserved errno for this thread */
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CATCHBUF context; /* thread context for Throw() */
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void *SP; /* Stack pointer, used only by GarbColl */
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int threadNumber; /* instrumentation: order of creation */
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_PRWin16PollDesc thr_pd; /* poll descriptor for i/o */
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PRPollQueue thr_pq; /* i/o parameters */
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void *exceptionContext; /* mfc exception context */
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char guardBand[24]; /* don't overwrite this */
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PRUint32 magic; /* self identifier, for debug */
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};
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struct _MDThreadStack {
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PRUint32 magic; /* for debugging */
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PRIntn cxByteCount; /* number of stack bytes to move */
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char * stackTop; /* high address on stack */
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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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struct _MDLock {
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PRUint32 magic; /* for debugging */
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PRUint32 mutex;
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};
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struct _MDDir {
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PRUint32 magic; /* for debugging */
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struct dirent *dir;
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};
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struct _MDCVar {
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PRUint32 magic;
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};
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struct _MDSemaphore {
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PRInt32 unused;
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};
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struct _MDFileDesc {
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PRInt32 osfd;
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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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/*
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** Microsoft 'struct _stat'
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** ... taken directly from msvc 1.52c's header file sys/stat.h
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** see PR_Stat() implemented in w16io.c
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** See BugSplat: 98516
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*/
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#pragma pack(push)
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#pragma pack(2)
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typedef unsigned short _ino_t;
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typedef short _dev_t;
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typedef long _off_t;
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typedef struct _MDMSStat {
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_dev_t st_dev;
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_ino_t st_ino;
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unsigned short st_mode;
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short st_nlink;
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short st_uid;
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short st_gid;
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_dev_t st_rdev;
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_off_t st_size;
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time_t st_atime;
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time_t st_mtime;
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time_t st_ctime;
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} _MDMSStat;
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#pragma pack(pop)
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/* --- Errors --- */
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/* These are NSPR generated error codes which need to be unique from
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* OS error codes.
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*/
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#define _MD_UNIQUEBASE 50000
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#define _MD_EINTERRUPTED _MD_UNIQUEBASE + 1
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#define _MD_ETIMEDOUT _MD_UNIQUEBASE + 2
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#define _MD_EIO _MD_UNIQUEBASE + 3
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struct PRProcess;
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struct PRProcessAttr;
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/* --- Create a new process --- */
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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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/* --- Misc stuff --- */
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#define MD_ASSERTINT( x ) PR_ASSERT( (x) < 65535 )
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/* --- IO stuff --- */
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#define MAX_PATH 256
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#define _MD_ERRNO() errno
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#define GetLastError() errno
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#define _MD_GET_FILE_ERROR() errno
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#define _MD_SET_FILE_ERROR(_err) errno = (_err)
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#define _MD_OPEN _PR_MD_OPEN
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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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#define _MD_CLOSE_FILE _PR_MD_CLOSE_FILE
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#define _MD_GETFILEINFO _PR_MD_GETFILEINFO
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#define _MD_GETOPENFILEINFO _PR_MD_GETOPENFILEINFO
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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_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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#define _MD_MAKE_NONBLOCK _PR_MD_MAKE_NONBLOCK
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#define _MD_SHUTDOWN _PR_MD_SHUTDOWN
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#define _MD_LISTEN _PR_MD_LISTEN
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#define _MD_CLOSE_SOCKET _PR_MD_CLOSE_SOCKET
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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_SELECT select
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#define _MD_FSYNC _PR_MD_FSYNC
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#define _MD_SOCKETAVAILABLE _PR_MD_SOCKETAVAILABLE
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#define _MD_INIT_ATOMIC()
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#define _MD_ATOMIC_INCREMENT(x) (*x++)
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#define _MD_ATOMIC_ADD(ptr, val) ((*x) += val)
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#define _MD_ATOMIC_DECREMENT(x) (*x--)
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#define _MD_ATOMIC_SET(x,y) (*x, y)
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#define _MD_INIT_IO _PR_MD_INIT_IO
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#define _MD_TRANSMITFILE _PR_MD_TRANSMITFILE
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/* win95 doesn't have async IO */
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#define _MD_SOCKET _PR_MD_SOCKET
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#define _MD_CONNECT _PR_MD_CONNECT
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#define _MD_ACCEPT _PR_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_CHECK_FOR_EXIT()
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/* --- Scheduler stuff --- */
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#define _MD_PAUSE_CPU _PR_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_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 _MD_AllocSegment
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#define _MD_FREE_SEGMENT _MD_FreeSegment
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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 32767L
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#define _MD_INIT_THREAD _PR_MD_INIT_THREAD
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#define _MD_CREATE_THREAD(t,f,p,sc,st,stsiz) (PR_SUCCESS)
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#define _MD_YIELD _PR_MD_YIELD
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#define _MD_SET_PRIORITY(t,p)
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#define _MD_CLEAN_THREAD(t)
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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
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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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/*
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** Win16 does not need MD locks.
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*/
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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(l) (PR_SUCCESS)
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#define _MD_FREE_LOCK(l)
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#define _MD_LOCK(l)
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#define _MD_TEST_AND_LOCK(l) (PR_FAILURE)
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#define _MD_UNLOCK(l)
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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(a)
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#define _MD_WAKEUP_CPUS _PR_MD_WAKEUP_CPUS
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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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#define _MD_IOQ_LOCK()
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#define _MD_IOQ_UNLOCK()
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/* --- Initialization stuff --- */
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PR_EXTERN(void) _MD_INIT_RUNNING_CPU(struct _PRCPU *cpu );
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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 _PR_MD_FINAL_INIT
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#define _MD_INIT_CPUS()
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/* --- User Threading stuff --- */
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#define _MD_EXIT
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#define _MD_CLEANUP_BEFORE_EXIT _PR_MD_CLEANUP_BEFORE_EXIT
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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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/* --- 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 _PR_MD_INIT_STACK
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#define _MD_CLEAR_STACK(stack)
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/*
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** Watcom needs to see this to make the linker work.
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**
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*/
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PR_EXTERN(void) _PR_NativeDestroyThread(PRThread *thread);
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PR_EXTERN(void) _PR_UserDestroyThread(PRThread *thread);
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/*
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* _PR_ShutdownLinker unloads all dlls loaded by the application via
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* calls to PR_LoadLibrary
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*/
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void _PR_ShutdownLinker(void);
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/*
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** If thread emulation is used, then setjmp/longjmp stores the register
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** state of each thread.
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**
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** CatchBuf layout:
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** context[0] - IP
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** context[1] - CS
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** context[2] - SP
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** context[3] - BP
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** context[4] - SI
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** context[5] - DI
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** context[6] - DS
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** context[7] - ?? (maybe flags)
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** context[8] - SS
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*/
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#define PR_CONTEXT_TYPE CATCHBUF
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#define PR_NUM_GCREGS 9
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#define _MD_GET_SP(thread) ((thread)->md.SP)
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#define CONTEXT(_t) ((_t)->md.context)
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/*
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** Initialize a thread context to run "e(o,a)" when started
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*/
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#define _MD_INIT_CONTEXT(_t, sp, epa, stat ) \
|
|
{ \
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|
*(stat) = PR_TRUE; \
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Catch((_t)->md.context ); \
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|
(_t)->md.context[0] = OFFSETOF(epa); \
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|
(_t)->md.context[1] = SELECTOROF(epa); \
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(_t)->md.context[2] = OFFSETOF(_pr_top_of_task_stack - 64); \
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|
(_t)->md.context[3] = 0; \
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|
}
|
|
|
|
#define _MD_SWITCH_CONTEXT(_t) \
|
|
if (!Catch((_t)->md.context)) { \
|
|
int garbCollPlaceHolder; \
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|
(_t)->md.errcode = errno; \
|
|
(_t)->md.SP = &garbCollPlaceHolder; \
|
|
_PR_Schedule(); \
|
|
}
|
|
|
|
#define _MD_SAVE_CONTEXT(_t) \
|
|
{ \
|
|
int garbCollPlaceHolder; \
|
|
Catch((_t)->md.context); \
|
|
(_t)->md.errcode = errno; \
|
|
(_t)->md.SP = &garbCollPlaceHolder; \
|
|
}
|
|
|
|
/*
|
|
** Restore a thread context, saved by _MD_SWITCH_CONTEXT
|
|
*/
|
|
#define _PR_MD_RESTORE_CONTEXT _MD_RESTORE_CONTEXT
|
|
|
|
/*
|
|
* Memory-mapped files
|
|
*/
|
|
|
|
struct _MDFileMap {
|
|
PRInt8 unused;
|
|
};
|
|
|
|
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
|
|
|
|
|
|
/* --- Error mapping ----------------------------------- */
|
|
extern void _PR_MD_map_error( int err );
|
|
|
|
#define _PR_MD_MAP_OPENDIR_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_CLOSEDIR_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_READDIR_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_DELETE_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_STAT_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_FSTAT_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_RENAME_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_ACCESS_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_MKDIR_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_RMDIR_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_READ_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_TRANSMITFILE_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_WRITE_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_LSEEK_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_FSYNC_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_CLOSE_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_SOCKET_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_RECV_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_RECVFROM_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_SEND_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_SENDTO_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_ACCEPT_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_ACCEPTEX_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_CONNECT_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_BIND_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_LISTEN_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_SHUTDOWN_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_GETSOCKNAME_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_GETPEERNAME_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_GETSOCKOPT_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_SETSOCKOPT_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_OPEN_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_GETHOSTNAME_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_SELECT_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_LOCKF_ERROR _PR_MD_map_error
|
|
#define _PR_MD_MAP_WSASTARTUP_ERROR _PR_MD_map_error
|
|
|
|
#endif /* nspr_win16_defs_h___ */
|