2003-07-08 02:11:36 +04:00
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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2004-04-18 18:21:17 +04:00
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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2003-07-08 02:11:36 +04:00
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*
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2004-04-18 18:21:17 +04:00
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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2003-07-08 02:11:36 +04:00
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*
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* The Original Code is mozilla.org code.
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*
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2004-04-18 18:21:17 +04:00
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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2003-07-08 02:11:36 +04:00
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*
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2004-04-18 18:21:17 +04:00
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* Contributor(s):
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2003-07-08 02:11:36 +04:00
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* IBM Corp.
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* Henry Sobotka
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2004-04-18 18:21:17 +04:00
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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2003-07-08 02:11:36 +04:00
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#include "nsDebugImpl.h"
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#include "nsDebug.h"
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#include "prprf.h"
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#include "prlog.h"
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#include "prinit.h"
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#include "plstr.h"
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#include "nsError.h"
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#include "prerror.h"
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#include "prerr.h"
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#if defined(XP_BEOS)
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/* For DEBUGGER macros */
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#include <Debug.h>
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#endif
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#if defined(XP_UNIX) || defined(_WIN32) || defined(XP_OS2) || defined(XP_BEOS)
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/* for abort() and getenv() */
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#include <stdlib.h>
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#endif
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#if defined(XP_UNIX) && !defined(UNIX_CRASH_ON_ASSERT)
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#include <signal.h>
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/* for nsTraceRefcnt::WalkTheStack() */
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#include "nsISupportsUtils.h"
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2003-08-05 09:34:11 +04:00
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#include "nsTraceRefcntImpl.h"
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2003-07-08 02:11:36 +04:00
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#if defined(__GNUC__) && defined(__i386)
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# define DebugBreak() { asm("int $3"); }
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2004-09-18 20:35:28 +04:00
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#elif defined(__APPLE__) && defined(TARGET_CARBON)
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2004-07-22 18:44:38 +04:00
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# include "MacTypes.h"
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# define DebugBreak() { Debugger(); }
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2003-07-08 02:11:36 +04:00
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#else
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# define DebugBreak()
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#endif
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#endif
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#if defined(XP_OS2)
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/* Added definitions for DebugBreak() for 2 different OS/2 compilers. Doing
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2003-07-22 22:38:01 +04:00
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* the int3 on purpose so that a developer can step over the
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2003-07-08 02:11:36 +04:00
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* instruction if so desired. Not always possible if trapping due to exception
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* handling IBM-AKR
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*/
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#define INCL_WINDIALOGS // need for WinMessageBox
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#include <os2.h>
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#include <string.h>
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#if defined(DEBUG)
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#define DebugBreak() { asm("int $3"); }
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#else
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#define DebugBreak()
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#endif /* DEBUG */
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#endif /* XP_OS2 */
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#if defined(_WIN32)
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#include <windows.h>
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#include <signal.h>
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#elif defined(XP_MAC)
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#define TEMP_MAC_HACK
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//------------------------
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#ifdef TEMP_MAC_HACK
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#include <MacTypes.h>
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#include <Processes.h>
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#include <string.h>
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// TEMPORARY UNTIL WE HAVE MACINTOSH ENVIRONMENT VARIABLES THAT CAN TURN ON
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// LOGGING ON MACINTOSH
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// At this moment, NSPR's logging is a no-op on Macintosh.
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#include <stdarg.h>
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#include <stdio.h>
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#undef PR_LOG
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#undef PR_LogFlush
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#define PR_LOG(module,level,args) dprintf args
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#define PR_LogFlush()
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static void dprintf(const char *format, ...)
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{
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va_list ap;
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Str255 buffer;
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va_start(ap, format);
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buffer[0] = std::vsnprintf((char *)buffer + 1, sizeof(buffer) - 1, format, ap);
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va_end(ap);
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if (PL_strcasestr((char *)&buffer[1], "warning"))
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printf("<EFBFBD><EFBFBD><EFBFBD>%s\n", (char*)buffer + 1);
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else
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DebugStr(buffer);
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}
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#endif // TEMP_MAC_HACK
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//------------------------
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#elif defined(XP_UNIX)
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#include<stdlib.h>
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#endif
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/*
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* Determine if debugger is present in windows.
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*/
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#if defined (_WIN32)
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typedef WINBASEAPI BOOL (WINAPI* LPFNISDEBUGGERPRESENT)();
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PRBool InDebugger()
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{
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2005-01-31 00:33:47 +03:00
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#ifndef WINCE
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2003-07-08 02:11:36 +04:00
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PRBool fReturn = PR_FALSE;
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LPFNISDEBUGGERPRESENT lpfnIsDebuggerPresent = NULL;
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HINSTANCE hKernel = LoadLibrary("Kernel32.dll");
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if(hKernel)
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{
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lpfnIsDebuggerPresent =
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(LPFNISDEBUGGERPRESENT)GetProcAddress(hKernel, "IsDebuggerPresent");
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if(lpfnIsDebuggerPresent)
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{
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fReturn = (*lpfnIsDebuggerPresent)();
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}
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FreeLibrary(hKernel);
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}
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return fReturn;
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2005-01-31 00:33:47 +03:00
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#else
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return PR_FALSE;
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#endif
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2003-07-08 02:11:36 +04:00
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}
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#endif /* WIN32*/
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2003-09-11 05:42:41 +04:00
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NS_IMPL_THREADSAFE_ISUPPORTS1(nsDebugImpl, nsIDebug)
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2003-07-08 02:11:36 +04:00
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nsDebugImpl::nsDebugImpl()
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{
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}
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/**
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* Implementation of the nsDebug methods. Note that this code is
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* always compiled in, in case some other module that uses it is
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* compiled with debugging even if this library is not.
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*/
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static PRLogModuleInfo* gDebugLog;
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static void InitLog(void)
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{
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if (0 == gDebugLog) {
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gDebugLog = PR_NewLogModule("nsDebug");
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gDebugLog->level = PR_LOG_DEBUG;
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}
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}
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NS_IMETHODIMP
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nsDebugImpl::Assertion(const char *aStr, const char *aExpr, const char *aFile, PRInt32 aLine)
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{
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InitLog();
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char buf[1000];
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PR_snprintf(buf, sizeof(buf),
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"###!!! ASSERTION: %s: '%s', file %s, line %d",
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aStr, aExpr, aFile, aLine);
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// Write out the assertion message to the debug log
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PR_LOG(gDebugLog, PR_LOG_ERROR, ("%s", buf));
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PR_LogFlush();
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// And write it out to the stderr
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fprintf(stderr, "%s\n", buf);
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fflush(stderr);
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#if defined(_WIN32)
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char* assertBehavior = getenv("XPCOM_DEBUG_BREAK");
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if (assertBehavior && strcmp(assertBehavior, "warn") == 0)
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return NS_OK;
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2005-01-31 00:33:47 +03:00
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#ifndef WINCE // we really just want to crash for now
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2003-07-08 02:11:36 +04:00
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if(!InDebugger())
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{
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DWORD code = IDRETRY;
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/* Create the debug dialog out of process to avoid the crashes caused by
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* Windows events leaking into our event loop from an in process dialog.
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* We do this by launching windbgdlg.exe (built in xpcom/windbgdlg).
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* See http://bugzilla.mozilla.org/show_bug.cgi?id=54792
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*/
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PROCESS_INFORMATION pi;
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STARTUPINFO si;
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char executable[MAX_PATH];
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char* pName;
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memset(&pi, 0, sizeof(pi));
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memset(&si, 0, sizeof(si));
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si.cb = sizeof(si);
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si.wShowWindow = SW_SHOW;
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if(GetModuleFileName(GetModuleHandle("xpcom.dll"), executable, MAX_PATH) &&
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NULL != (pName = strrchr(executable, '\\')) &&
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NULL != strcpy(pName+1, "windbgdlg.exe") &&
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#ifdef DEBUG_jband
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(printf("Launching %s\n", executable), PR_TRUE) &&
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#endif
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CreateProcess(executable, buf, NULL, NULL, PR_FALSE,
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DETACHED_PROCESS | NORMAL_PRIORITY_CLASS,
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NULL, NULL, &si, &pi) &&
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WAIT_OBJECT_0 == WaitForSingleObject(pi.hProcess, INFINITE) &&
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GetExitCodeProcess(pi.hProcess, &code))
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{
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CloseHandle(pi.hProcess);
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}
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switch(code)
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{
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case IDABORT:
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//This should exit us
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raise(SIGABRT);
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//If we are ignored exit this way..
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_exit(3);
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break;
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case IDIGNORE:
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return NS_OK;
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// Fall Through
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}
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}
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2005-01-31 00:33:47 +03:00
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#endif // WINCE
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2003-07-08 02:11:36 +04:00
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#endif
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#if defined(XP_OS2)
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char* assertBehavior = getenv("XPCOM_DEBUG_BREAK");
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if (assertBehavior && strcmp(assertBehavior, "warn") == 0)
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return NS_OK;
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char msg[1200];
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PR_snprintf(msg, sizeof(msg),
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"%s\n\nClick Cancel to Debug Application.\n"
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"Click Enter to continue running the Application.", buf);
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ULONG code = MBID_ERROR;
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code = WinMessageBox(HWND_DESKTOP, HWND_DESKTOP, msg,
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"nsDebug::Assertion", 0,
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MB_ERROR | MB_ENTERCANCEL);
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/* It is possible that we are executing on a thread that doesn't have a
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* message queue. In that case, the message won't appear, and code will
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* be 0xFFFF. We'll give the user a chance to debug it by calling
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* Break()
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* Actually, that's a really bad idea since this happens a lot with threadsafe
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* assertions and since it means that you can't actually run the debug build
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* outside a debugger without it crashing constantly.
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*/
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if(( code == MBID_ENTER ) || (code == MBID_ERROR))
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{
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return NS_OK;
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// If Retry, Fall Through
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}
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#endif
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Break(aFile, aLine);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDebugImpl::Break(const char *aFile, PRInt32 aLine)
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{
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#ifndef TEMP_MAC_HACK
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// Write out the assertion message to the debug log
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InitLog();
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PR_LOG(gDebugLog, PR_LOG_ERROR,
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("###!!! Break: at file %s, line %d", aFile, aLine));
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PR_LogFlush();
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fprintf(stderr, "Break: at file %s, line %d\n",aFile, aLine); fflush(stderr);
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fflush(stderr);
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#if defined(_WIN32)
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#ifdef _M_IX86
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|
::DebugBreak();
|
|
|
|
|
#endif
|
|
|
|
|
#elif defined(XP_UNIX) && !defined(UNIX_CRASH_ON_ASSERT)
|
|
|
|
|
fprintf(stderr, "\07");
|
|
|
|
|
|
|
|
|
|
char *assertBehavior = getenv("XPCOM_DEBUG_BREAK");
|
|
|
|
|
|
|
|
|
|
if (!assertBehavior) {
|
|
|
|
|
|
|
|
|
|
// the default; nothing else to do
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
} else if ( strcmp(assertBehavior, "suspend")== 0 ) {
|
|
|
|
|
|
|
|
|
|
// the suspend case is first because we wanna send the signal before
|
|
|
|
|
// other threads have had a chance to get too far from the state that
|
|
|
|
|
// caused this assertion (in case they happen to have been involved).
|
|
|
|
|
//
|
|
|
|
|
fprintf(stderr, "Suspending process; attach with the debugger.\n");
|
|
|
|
|
kill(0, SIGSTOP);
|
|
|
|
|
|
|
|
|
|
} else if ( strcmp(assertBehavior, "warn")==0 ) {
|
|
|
|
|
|
|
|
|
|
// same as default; nothing else to do (see "suspend" case comment for
|
|
|
|
|
// why this compare isn't done as part of the default case)
|
|
|
|
|
//
|
|
|
|
|
;
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
else if ( strcmp(assertBehavior,"stack")==0 ) {
|
|
|
|
|
|
|
|
|
|
// walk the stack
|
|
|
|
|
//
|
2003-08-05 09:34:11 +04:00
|
|
|
|
nsTraceRefcntImpl::WalkTheStack(stderr);
|
2003-07-08 02:11:36 +04:00
|
|
|
|
}
|
|
|
|
|
else if ( strcmp(assertBehavior,"abort")==0 ) {
|
|
|
|
|
|
|
|
|
|
// same as UNIX_CRASH_ON_ASSERT
|
|
|
|
|
//
|
|
|
|
|
Abort(aFile, aLine);
|
|
|
|
|
|
|
|
|
|
} else if ( strcmp(assertBehavior,"trap")==0 ) {
|
|
|
|
|
|
|
|
|
|
DebugBreak();
|
|
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
|
|
fprintf(stderr, "unrecognized value of XPCOM_DEBUG_BREAK env var!\n");
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
fflush(stderr); // this shouldn't really be necessary, i don't think,
|
|
|
|
|
// but maybe there's some lame stdio that buffers stderr
|
|
|
|
|
|
|
|
|
|
#elif defined(XP_BEOS)
|
|
|
|
|
{
|
|
|
|
|
#ifdef UNIX_CRASH_ON_ASSERT
|
|
|
|
|
char buf[2000];
|
|
|
|
|
sprintf(buf, "Break: at file %s, line %d", aFile, aLine);
|
|
|
|
|
DEBUGGER(buf);
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
#else
|
|
|
|
|
Abort(aFile, aLine);
|
|
|
|
|
#endif
|
|
|
|
|
#endif // TEMP_MAC_HACK
|
|
|
|
|
return NS_OK;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
|
nsDebugImpl::Abort(const char *aFile, PRInt32 aLine)
|
|
|
|
|
{
|
|
|
|
|
InitLog();
|
|
|
|
|
|
|
|
|
|
PR_LOG(gDebugLog, PR_LOG_ERROR,
|
|
|
|
|
("###!!! Abort: at file %s, line %d", aFile, aLine));
|
|
|
|
|
PR_LogFlush();
|
|
|
|
|
fprintf(stderr, "\07 Abort\n"); fflush(stderr);
|
|
|
|
|
fflush(stderr);
|
|
|
|
|
|
|
|
|
|
#if defined(_WIN32)
|
|
|
|
|
#ifdef _M_IX86
|
|
|
|
|
long* __p = (long*) 0x7;
|
|
|
|
|
*__p = 0x7;
|
|
|
|
|
#else /* _M_ALPHA */
|
|
|
|
|
PR_Abort();
|
|
|
|
|
#endif
|
|
|
|
|
#elif defined(XP_MAC)
|
|
|
|
|
ExitToShell();
|
|
|
|
|
#elif defined(XP_UNIX)
|
|
|
|
|
PR_Abort();
|
|
|
|
|
#elif defined(XP_OS2)
|
|
|
|
|
DebugBreak();
|
|
|
|
|
return NS_OK;
|
|
|
|
|
#elif defined(XP_BEOS)
|
|
|
|
|
{
|
|
|
|
|
#ifndef DEBUG_cls
|
|
|
|
|
char buf[2000];
|
|
|
|
|
sprintf(buf, "Abort: at file %s, line %d", aFile, aLine);
|
|
|
|
|
DEBUGGER(buf);
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
return NS_OK;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
NS_IMETHODIMP
|
|
|
|
|
nsDebugImpl::Warning(const char* aMessage,
|
|
|
|
|
const char* aFile, PRIntn aLine)
|
|
|
|
|
{
|
|
|
|
|
InitLog();
|
|
|
|
|
|
|
|
|
|
char buf[1000];
|
|
|
|
|
PR_snprintf(buf, sizeof(buf),
|
|
|
|
|
"WARNING: %s, file %s, line %d",
|
|
|
|
|
aMessage, aFile, aLine);
|
|
|
|
|
|
|
|
|
|
// Write out the warning message to the debug log
|
|
|
|
|
PR_LOG(gDebugLog, PR_LOG_ERROR, ("%s", buf));
|
|
|
|
|
|
|
|
|
|
// And write it out to the stdout
|
|
|
|
|
fprintf(stderr, "%s\n", buf);
|
|
|
|
|
fflush(stderr);
|
|
|
|
|
return NS_OK;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
NS_METHOD
|
|
|
|
|
nsDebugImpl::Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr)
|
|
|
|
|
{
|
|
|
|
|
*aInstancePtr = nsnull;
|
|
|
|
|
nsIDebug* debug = new nsDebugImpl();
|
|
|
|
|
if (!debug)
|
|
|
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
|
|
|
|
|
|
nsresult rv = debug->QueryInterface(aIID, aInstancePtr);
|
|
|
|
|
if (NS_FAILED(rv)) {
|
|
|
|
|
delete debug;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return rv;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
|
|
NS_COM nsresult
|
|
|
|
|
NS_ErrorAccordingToNSPR()
|
|
|
|
|
{
|
|
|
|
|
PRErrorCode err = PR_GetError();
|
|
|
|
|
switch (err) {
|
|
|
|
|
case PR_OUT_OF_MEMORY_ERROR: return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
|
case PR_WOULD_BLOCK_ERROR: return NS_BASE_STREAM_WOULD_BLOCK;
|
|
|
|
|
case PR_FILE_NOT_FOUND_ERROR: return NS_ERROR_FILE_NOT_FOUND;
|
|
|
|
|
case PR_READ_ONLY_FILESYSTEM_ERROR: return NS_ERROR_FILE_READ_ONLY;
|
|
|
|
|
case PR_NOT_DIRECTORY_ERROR: return NS_ERROR_FILE_NOT_DIRECTORY;
|
|
|
|
|
case PR_IS_DIRECTORY_ERROR: return NS_ERROR_FILE_IS_DIRECTORY;
|
|
|
|
|
case PR_LOOP_ERROR: return NS_ERROR_FILE_UNRESOLVABLE_SYMLINK;
|
|
|
|
|
case PR_FILE_EXISTS_ERROR: return NS_ERROR_FILE_ALREADY_EXISTS;
|
|
|
|
|
case PR_FILE_IS_LOCKED_ERROR: return NS_ERROR_FILE_IS_LOCKED;
|
|
|
|
|
case PR_FILE_TOO_BIG_ERROR: return NS_ERROR_FILE_TOO_BIG;
|
|
|
|
|
case PR_NO_DEVICE_SPACE_ERROR: return NS_ERROR_FILE_NO_DEVICE_SPACE;
|
|
|
|
|
case PR_NAME_TOO_LONG_ERROR: return NS_ERROR_FILE_NAME_TOO_LONG;
|
|
|
|
|
case PR_DIRECTORY_NOT_EMPTY_ERROR: return NS_ERROR_FILE_DIR_NOT_EMPTY;
|
|
|
|
|
case PR_NO_ACCESS_RIGHTS_ERROR: return NS_ERROR_FILE_ACCESS_DENIED;
|
|
|
|
|
default: return NS_ERROR_FAILURE;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|