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w16null.c
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is the Netscape Portable Runtime (NSPR).
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998-2000
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either the GNU General Public License Version 2 or later (the "GPL"), or
00026  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
00028  * of those above. If you wish to allow use of your version of this file only
00029  * under the terms of either the GPL or the LGPL, and not to allow others to
00030  * use your version of this file under the terms of the MPL, indicate your
00031  * decision by deleting the provisions above and replace them with the notice
00032  * and other provisions required by the GPL or the LGPL. If you do not delete
00033  * the provisions above, a recipient may use your version of this file under
00034  * the terms of any one of the MPL, the GPL or the LGPL.
00035  *
00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #include "primpl.h"
00039 #include <sys/timeb.h>
00040 
00041 
00042 struct _MDLock          _pr_ioq_lock;
00043 HINSTANCE               _pr_hInstance = NULL;
00044 char *                  _pr_top_of_task_stack;
00045 _PRInterruptTable       _pr_interruptTable[] = { { 0 } };
00046 
00047 /*
00048  *-----------------------------------------------------------------------
00049  *
00050  * PR_Now --
00051  *
00052  *     Returns the current time in microseconds since the epoch.
00053  *     The epoch is midnight January 1, 1970 GMT.
00054  *     The implementation is machine dependent.  This is the
00055  *     implementation for Windows.
00056  *     Cf. time_t time(time_t *tp)
00057  *
00058  *-----------------------------------------------------------------------
00059  */
00060 
00061 #if defined(HAVE_WATCOM_BUG_2)
00062 PRTime __pascal __export __loadds
00063 #else
00064 PR_IMPLEMENT(PRTime)
00065 #endif
00066 PR_Now(void)
00067 {
00068     PRInt64 s, ms, ms2us, s2us;
00069     struct timeb b;
00070 
00071     ftime(&b);
00072     LL_I2L(ms2us, PR_USEC_PER_MSEC);
00073     LL_I2L(s2us, PR_USEC_PER_SEC);
00074     LL_I2L(s, b.time);
00075     LL_I2L(ms, (PRInt32)b.millitm);
00076     LL_MUL(ms, ms, ms2us);
00077     LL_MUL(s, s, s2us);
00078     LL_ADD(s, s, ms);
00079     return s;       
00080 }
00081 
00082 
00083 
00084 char *_PR_MD_GET_ENV(const char *name)
00085 {
00086     return NULL;
00087 }
00088 
00089 PRIntn
00090 _PR_MD_PUT_ENV(const char *name)
00091 {
00092     return NULL;
00093 }
00094 
00095 int CALLBACK LibMain( HINSTANCE hInst, WORD wDataSeg, 
00096                       WORD cbHeapSize, LPSTR lpszCmdLine )
00097 {
00098     _pr_hInstance = hInst;
00099     return TRUE;
00100 }
00101 
00102 
00103 
00104 void
00105 _PR_MD_EARLY_INIT()
00106 {
00107     _tzset();
00108     return;
00109 }
00110 
00111 void
00112 _PR_MD_WAKEUP_CPUS( void )
00113 {
00114     return;
00115 }    
00116