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Enables debug stackcrawl support in GRE builds. b=208098. r=dbaron.

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This commit is contained in:
dougt%meer.net 2003-07-07 22:11:36 +00:00
parent fbbd9fb60e
commit a856820d8e
13 changed files with 775 additions and 674 deletions
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3
xpcom/base/Makefile.in
View File

@ -43,6 +43,7 @@ CPPSRCS = \
nsCWeakReference.cpp \
nsConsoleService.cpp \
nsConsoleMessage.cpp \
nsDebugImpl.cpp \
nsExceptionService.cpp \
$(NULL)
@ -59,6 +60,7 @@ EXPORTS = \
nsCom.h \
nsComObsolete.h \
nsCWeakReference.h \
nsDebugImpl.h \
nsIID.h \
nsISupportsObsolete.h \
nsTraceRefcnt.h \
@ -83,6 +85,7 @@ SDK_XPIDLSRCS = \
nsISupports.idl \
nsIWeakReference.idl \
nsIMemory.idl \
nsIDebug.idl \
nsrootidl.idl \
SDK_HEADERS = \

467
xpcom/base/nsDebugImpl.cpp Normal file
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@ -0,0 +1,467 @@
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* IBM Corp.
* Henry Sobotka
*/
#include "nsDebugImpl.h"
#include "nsDebug.h"
#include "prprf.h"
#include "prlog.h"
#include "prinit.h"
#include "plstr.h"
#include "nsError.h"
#include "prerror.h"
#include "prerr.h"
#if defined(XP_BEOS)
/* For DEBUGGER macros */
#include <Debug.h>
#endif
#if defined(XP_UNIX) || defined(_WIN32) || defined(XP_OS2) || defined(XP_BEOS)
/* for abort() and getenv() */
#include <stdlib.h>
#endif
#if defined(XP_UNIX) && !defined(UNIX_CRASH_ON_ASSERT)
#include <signal.h>
/* for nsTraceRefcnt::WalkTheStack() */
#include "nsISupportsUtils.h"
#include "nsTraceRefcnt.h"
#if defined(__GNUC__) && defined(__i386)
# define DebugBreak() { asm("int $3"); }
#else
# define DebugBreak()
#endif
#endif
#if defined(XP_OS2)
/* Added definitions for DebugBreak() for 2 different OS/2 compilers. Doing
* the int3 on purpose for Visual Age so that a developer can step over the
* instruction if so desired. Not always possible if trapping due to exception
* handling IBM-AKR
*/
#define INCL_WINDIALOGS // need for WinMessageBox
#include <os2.h>
#include <string.h>
#if defined(DEBUG)
#if defined(XP_OS2_VACPP)
#include <builtin.h>
#define DebugBreak() { _interrupt(3); }
#else
#define DebugBreak() { asm("int $3"); }
#endif
#else
#define DebugBreak()
#endif /* DEBUG */
#endif /* XP_OS2 */
#if defined(_WIN32)
#include <windows.h>
#include <signal.h>
#elif defined(XP_MAC)
#define TEMP_MAC_HACK
//------------------------
#ifdef TEMP_MAC_HACK
#include <MacTypes.h>
#include <Processes.h>
#include <string.h>
// TEMPORARY UNTIL WE HAVE MACINTOSH ENVIRONMENT VARIABLES THAT CAN TURN ON
// LOGGING ON MACINTOSH
// At this moment, NSPR's logging is a no-op on Macintosh.
#include <stdarg.h>
#include <stdio.h>
#undef PR_LOG
#undef PR_LogFlush
#define PR_LOG(module,level,args) dprintf args
#define PR_LogFlush()
static void dprintf(const char *format, ...)
{
va_list ap;
Str255 buffer;
va_start(ap, format);
buffer[0] = std::vsnprintf((char *)buffer + 1, sizeof(buffer) - 1, format, ap);
va_end(ap);
if (PL_strcasestr((char *)&buffer[1], "warning"))
printf("¥¥¥%s\n", (char*)buffer + 1);
else
DebugStr(buffer);
}
#endif // TEMP_MAC_HACK
//------------------------
#elif defined(XP_UNIX)
#include<stdlib.h>
#endif
/*
* Determine if debugger is present in windows.
*/
#if defined (_WIN32)
typedef WINBASEAPI BOOL (WINAPI* LPFNISDEBUGGERPRESENT)();
PRBool InDebugger()
{
PRBool fReturn = PR_FALSE;
LPFNISDEBUGGERPRESENT lpfnIsDebuggerPresent = NULL;
HINSTANCE hKernel = LoadLibrary("Kernel32.dll");
if(hKernel)
{
lpfnIsDebuggerPresent =
(LPFNISDEBUGGERPRESENT)GetProcAddress(hKernel, "IsDebuggerPresent");
if(lpfnIsDebuggerPresent)
{
fReturn = (*lpfnIsDebuggerPresent)();
}
FreeLibrary(hKernel);
}
return fReturn;
}
#endif /* WIN32*/
NS_IMPL_ISUPPORTS1(nsDebugImpl, nsIDebug)
nsDebugImpl::nsDebugImpl()
{
}
nsDebugImpl::~nsDebugImpl()
{
}
/**
* Implementation of the nsDebug methods. Note that this code is
* always compiled in, in case some other module that uses it is
* compiled with debugging even if this library is not.
*/
static PRLogModuleInfo* gDebugLog;
static void InitLog(void)
{
if (0 == gDebugLog) {
gDebugLog = PR_NewLogModule("nsDebug");
gDebugLog->level = PR_LOG_DEBUG;
}
}
NS_IMETHODIMP
nsDebugImpl::Assertion(const char *aStr, const char *aExpr, const char *aFile, PRInt32 aLine)
{
InitLog();
char buf[1000];
PR_snprintf(buf, sizeof(buf),
"###!!! ASSERTION: %s: '%s', file %s, line %d",
aStr, aExpr, aFile, aLine);
// Write out the assertion message to the debug log
PR_LOG(gDebugLog, PR_LOG_ERROR, ("%s", buf));
PR_LogFlush();
// And write it out to the stderr
fprintf(stderr, "%s\n", buf);
fflush(stderr);
#if defined(_WIN32)
char* assertBehavior = getenv("XPCOM_DEBUG_BREAK");
if (assertBehavior && strcmp(assertBehavior, "warn") == 0)
return NS_OK;
if(!InDebugger())
{
DWORD code = IDRETRY;
/* Create the debug dialog out of process to avoid the crashes caused by
* Windows events leaking into our event loop from an in process dialog.
* We do this by launching windbgdlg.exe (built in xpcom/windbgdlg).
* See http://bugzilla.mozilla.org/show_bug.cgi?id=54792
*/
PROCESS_INFORMATION pi;
STARTUPINFO si;
char executable[MAX_PATH];
char* pName;
memset(&pi, 0, sizeof(pi));
memset(&si, 0, sizeof(si));
si.cb = sizeof(si);
si.wShowWindow = SW_SHOW;
if(GetModuleFileName(GetModuleHandle("xpcom.dll"), executable, MAX_PATH) &&
NULL != (pName = strrchr(executable, '\\')) &&
NULL != strcpy(pName+1, "windbgdlg.exe") &&
#ifdef DEBUG_jband
(printf("Launching %s\n", executable), PR_TRUE) &&
#endif
CreateProcess(executable, buf, NULL, NULL, PR_FALSE,
DETACHED_PROCESS | NORMAL_PRIORITY_CLASS,
NULL, NULL, &si, &pi) &&
WAIT_OBJECT_0 == WaitForSingleObject(pi.hProcess, INFINITE) &&
GetExitCodeProcess(pi.hProcess, &code))
{
CloseHandle(pi.hProcess);
}
switch(code)
{
case IDABORT:
//This should exit us
raise(SIGABRT);
//If we are ignored exit this way..
_exit(3);
break;
case IDIGNORE:
return NS_OK;
// Fall Through
}
}
#endif
#if defined(XP_OS2)
char* assertBehavior = getenv("XPCOM_DEBUG_BREAK");
if (assertBehavior && strcmp(assertBehavior, "warn") == 0)
return NS_OK;
char msg[1200];
PR_snprintf(msg, sizeof(msg),
"%s\n\nClick Cancel to Debug Application.\n"
"Click Enter to continue running the Application.", buf);
ULONG code = MBID_ERROR;
code = WinMessageBox(HWND_DESKTOP, HWND_DESKTOP, msg,
"nsDebug::Assertion", 0,
MB_ERROR | MB_ENTERCANCEL);
/* It is possible that we are executing on a thread that doesn't have a
* message queue. In that case, the message won't appear, and code will
* be 0xFFFF. We'll give the user a chance to debug it by calling
* Break()
* Actually, that's a really bad idea since this happens a lot with threadsafe
* assertions and since it means that you can't actually run the debug build
* outside a debugger without it crashing constantly.
*/
if(( code == MBID_ENTER ) || (code == MBID_ERROR))
{
return NS_OK;
// If Retry, Fall Through
}
#endif
Break(aFile, aLine);
return NS_OK;
}
NS_IMETHODIMP
nsDebugImpl::Break(const char *aFile, PRInt32 aLine)
{
#ifndef TEMP_MAC_HACK
// Write out the assertion message to the debug log
InitLog();
PR_LOG(gDebugLog, PR_LOG_ERROR,
("###!!! Break: at file %s, line %d", aFile, aLine));
PR_LogFlush();
fprintf(stderr, "Break: at file %s, line %d\n",aFile, aLine); fflush(stderr);
fflush(stderr);
#if defined(_WIN32)
#ifdef _M_IX86
::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
//
nsTraceRefcnt::WalkTheStack(stderr);
}
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;
}
}
////////////////////////////////////////////////////////////////////////////////

59
xpcom/base/nsDebugImpl.h Normal file
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@ -0,0 +1,59 @@
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is XPCOM
*
* The Initial Developer of the Original Code is Doug Turner <dougt@meer.net>
*
* Portions created by the Initial Developer are Copyright (C) 2003
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsIDebug.h"
class nsDebugImpl : public nsIDebug
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDEBUG
nsDebugImpl();
virtual ~nsDebugImpl();
static NS_METHOD Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
};
#define NS_DEBUG_CONTRACTID "@mozilla.org/xpcom/debug;1"
#define NS_DEBUG_CLASSNAME "nsDebug Interface"
#define NS_DEBUG_CID \
{ /* a80b1fb3-aaf6-4852-b678-c27eb7a518af */ \
0xa80b1fb3, \
0xaaf6, \
0x4852, \
{0xb6, 0x78, 0xc2, 0x7e, 0xb7, 0xa5, 0x18, 0xaf} \
}

62
xpcom/base/nsIDebug.idl Normal file
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@ -0,0 +1,62 @@
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is XPCOM
*
* The Initial Developer of the Original Code is Doug Turner <dougt@meer.net>
*
* Portions created by the Initial Developer are Copyright (C) 2003
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
/**
* @status UNDER_REVIEW
*/
[scriptable, uuid(3bf0c3d7-3bd9-4cf2-a971-33572c503e1e)]
interface nsIDebug : nsISupports
{
void assertion(in string aStr,
in string aExpr,
in string aFile,
in long aLine);
void warning(in string aStr,
in string aFile,
in long aLine);
void break(in string aFile,
in long aLine);
void abort(in string aFile,
in long aLine);
};

51
xpcom/base/nsISupportsObsolete.h
View File

@ -44,57 +44,6 @@
#define NS_INIT_REFCNT() NS_INIT_ISUPPORTS()
#define NS_DECL_ISUPPORTS_EXPORTED \
public: \
NS_EXPORT NS_IMETHOD QueryInterface(REFNSIID aIID, \
void** aInstancePtr); \
NS_EXPORT NS_IMETHOD_(nsrefcnt) AddRef(void); \
NS_EXPORT NS_IMETHOD_(nsrefcnt) Release(void); \
protected: \
nsrefcnt mRefCnt; \
NS_DECL_OWNINGTHREAD \
public:
#ifdef NS_DEBUG
/*
* Adding this debug-only function as per bug #26803. If you are debugging
* and this function returns wrong refcounts, fix the objects |AddRef()| and
* |Release()| to do the right thing.
*
* Of course, this function is only available for debug builds.
*/
inline
nsrefcnt
NS_DebugGetRefCount( nsISupports* obj )
// Warning: don't apply this to an object whose refcount is
// |0| or not yet initialized ... it may be destroyed.
{
nsrefcnt ref_count = 0;
if ( obj )
{
// |AddRef()| and |Release()| are supposed to return
// the new refcount of the object
obj->AddRef();
ref_count = obj->Release();
// Can't use |NS_[ADDREF|RELEASE]| since (a) they _don't_ return
// the refcount, and (b) we don't want to log these guaranteed
// balanced calls.
NS_ASSERTION(ref_count,
"Oops! Calling |NS_DebugGetRefCount()| probably just "
"destroyed this object.");
}
return ref_count;
}
#endif // NS_DEBUG
/**
* Macro to free an array of pointers to nsISupports (or classes
* derived from it). A convenience wrapper around

6
xpcom/build/nsXPCOM.h
View File

@ -51,7 +51,7 @@ class nsIFile;
class nsILocalFile;
class nsIDirectoryServiceProvider;
class nsIMemory;
class nsIDebug;
/**
* Initialises XPCOM. You must call this method before proceeding
@ -193,4 +193,8 @@ NS_NewNativeLocalFile(const nsACString &path,
PRBool followLinks,
nsILocalFile* *result);
extern "C" NS_COM nsresult
NS_GetDebug(nsIDebug* *result);
#endif

6
xpcom/build/nsXPCOMPrivate.h
View File

@ -79,6 +79,8 @@ typedef nsresult (PR_CALLBACK *GetComponentRegistrarFunc)(nsIComponentRegistrar*
typedef nsresult (PR_CALLBACK *GetMemoryManagerFunc)(nsIMemory* *result);
typedef nsresult (PR_CALLBACK *NewLocalFileFunc)(const nsAString &path, PRBool followLinks, nsILocalFile* *result);
typedef nsresult (PR_CALLBACK *NewNativeLocalFileFunc)(const nsACString &path, PRBool followLinks, nsILocalFile* *result);
typedef nsresult (PR_CALLBACK *GetDebugFunc)(nsIDebug* *result);
// PRIVATE
typedef nsresult (PR_CALLBACK *RegisterXPCOMExitRoutineFunc)(XPCOMExitRoutine exitRoutine, PRUint32 priority);
typedef nsresult (PR_CALLBACK *UnregisterXPCOMExitRoutineFunc)(XPCOMExitRoutine exitRoutine);
@ -98,6 +100,10 @@ typedef struct XPCOMFunctions{
RegisterXPCOMExitRoutineFunc registerExitRoutine;
UnregisterXPCOMExitRoutineFunc unregisterExitRoutine;
// Added Post 1.4
GetDebugFunc getDebug;
} XPCOMFunctions;
typedef nsresult (PR_CALLBACK *GetFrozenFunctionsFunc)(XPCOMFunctions *entryPoints, const char* libraryPath);

29
xpcom/build/nsXPComInit.cpp
View File

@ -49,6 +49,7 @@
#include "nsBinaryStream.h"
#include "nsMemoryImpl.h"
#include "nsDebugImpl.h"
#include "nsErrorService.h"
#include "nsByteBuffer.h"
@ -275,10 +276,8 @@ static PRBool gXPCOMHasGlobalsBeenInitalized = PR_TRUE;
&NS_CLASSINFO_NAME(Class) }
static const nsModuleComponentInfo components[] = {
// ugh
#define NS_MEMORY_CONTRACTID "@mozilla.org/xpcom/memory-service;1"
#define NS_MEMORY_CLASSNAME "Global Memory Service"
COMPONENT(MEMORY, nsMemoryImpl::Create),
COMPONENT(DEBUG, nsDebugImpl::Create),
#define NS_ERRORSERVICE_CLASSNAME NS_ERRORSERVICE_NAME
COMPONENT(ERRORSERVICE, nsErrorService::Create),
@ -371,6 +370,22 @@ nsresult NS_COM NS_GetMemoryManager(nsIMemory* *result)
return rv;
}
// gDebug will be freed during shutdown.
static nsIDebug* gDebug = nsnull;
nsresult NS_COM NS_GetDebug(nsIDebug** result)
{
nsresult rv = NS_OK;
if (!gDebug)
{
rv = nsDebugImpl::Create(nsnull,
NS_GET_IID(nsIDebug),
(void**)&gDebug);
}
NS_IF_ADDREF(*result = gDebug);
return rv;
}
nsresult NS_COM NS_InitXPCOM(nsIServiceManager* *result,
nsIFile* binDirectory)
{
@ -770,6 +785,8 @@ nsresult NS_COM NS_ShutdownXPCOM(nsIServiceManager* servMgr)
NS_ShutdownLeakDetector();
#endif
NS_IF_RELEASE(gDebug);
gXPCOMHasGlobalsBeenInitalized = PR_FALSE;
return NS_OK;
}
@ -839,6 +856,12 @@ NS_GetFrozenFunctions(XPCOMFunctions *functions, const char* libraryPath)
return NS_ERROR_FAILURE;
}
functions->getDebug = (GetDebugFunc) PR_FindSymbol(xpcomLib, "NS_GetDebug");
if (! functions->unregisterExitRoutine) {
PR_UnloadLibrary(xpcomLib);
return NS_ERROR_FAILURE;
}
PR_UnloadLibrary(xpcomLib); // the library is refcnt'ed above by the caller.
xpcomLib = nsnull;

12
xpcom/components/nsComponentManager.h
View File

@ -140,19 +140,14 @@ public:
nsresult WritePersistentRegistry();
nsresult ReadPersistentRegistry();
public:
nsresult Shutdown(void);
nsresult FreeServices();
friend class nsFactoryEntry;
friend class nsServiceManager;
friend nsresult
nsresult
NS_GetService(const char *aContractID, const nsIID& aIID, PRBool aDontCreate, nsISupports** result);
protected:
nsresult RegisterComponentCommon(const nsCID &aClass,
const char *aClassName,
const char *aContractID,
@ -196,18 +191,15 @@ protected:
// there was an error
int AddLoaderType(const char *typeStr);
public:
int GetLoaderCount() { return mNLoaderData + 1; }
// registers only the files in spec's location by loaders other than the
// native loader. This is an optimization method only.
nsresult AutoRegisterNonNativeComponents(nsIFile* spec);
private:
nsresult AutoRegisterImpl(PRInt32 when, nsIFile *inDirSpec, PRBool fileIsCompDir=PR_TRUE);
nsresult RemoveEntries(nsIFile* file);
protected:
PLDHashTable mFactories;
PLDHashTable mContractIDs;
PRMonitor* mMon;

602
xpcom/glue/nsDebug.cpp
View File

@ -1,529 +1,109 @@
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* The Original Code is mozilla.org code.
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
* The Original Code is XPCOM
*
* Contributor(s):
* IBM Corp.
* Henry Sobotka
*/
* The Initial Developer of the Original Code is Doug Turner <dougt@meer.net>
*
* Portions created by the Initial Developer are Copyright (C) 2003
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsXPCOM.h"
#include "nsXPCOMPrivate.h"
#include "nsCOMPtr.h"
#include "nsIServiceManager.h"
#include "nsDebug.h"
#include "prprf.h"
#include "prlog.h"
#include "prinit.h"
#include "plstr.h"
#include "nsError.h"
#include "prerror.h"
#include "prerr.h"
#include "nsDebugImpl.h"
#if defined(XP_BEOS)
/* For DEBUGGER macros */
#include <Debug.h>
#endif
static nsIDebug* gDebugObject = nsnull;
#if defined(XP_UNIX) || defined(_WIN32) || defined(XP_OS2) || defined(XP_BEOS)
/* for abort() and getenv() */
#include <stdlib.h>
#endif
#if defined(XP_UNIX) && !defined(UNIX_CRASH_ON_ASSERT)
#include <signal.h>
/* for nsTraceRefcnt::WalkTheStack() */
#include "nsISupportsUtils.h"
#ifndef MOZILLA_STRICT_API
#include "nsTraceRefcnt.h"
#endif
#if defined(__GNUC__) && defined(__i386)
# define DebugBreak() { asm("int $3"); }
#else
# define DebugBreak()
#endif
#endif
#if defined(XP_OS2)
/* Added definitions for DebugBreak() for 2 different OS/2 compilers. Doing
* the int3 on purpose for Visual Age so that a developer can step over the
* instruction if so desired. Not always possible if trapping due to exception
* handling IBM-AKR
*/
#define INCL_WINDIALOGS // need for WinMessageBox
#include <os2.h>
#include <string.h>
#if defined(DEBUG)
#if defined(XP_OS2_VACPP)
#include <builtin.h>
#define DebugBreak() { _interrupt(3); }
#else
#define DebugBreak() { asm("int $3"); }
#endif
#else
#define DebugBreak()
#endif /* DEBUG */
#endif /* XP_OS2 */
#if defined(_WIN32)
#include <windows.h>
#include <signal.h>
#elif defined(XP_MAC)
#define TEMP_MAC_HACK
//------------------------
#ifdef TEMP_MAC_HACK
#include <MacTypes.h>
#include <Processes.h>
#include <string.h>
// TEMPORARY UNTIL WE HAVE MACINTOSH ENVIRONMENT VARIABLES THAT CAN TURN ON
// LOGGING ON MACINTOSH
// At this moment, NSPR's logging is a no-op on Macintosh.
#include <stdarg.h>
#include <stdio.h>
#undef PR_LOG
#undef PR_LogFlush
#define PR_LOG(module,level,args) dprintf args
#define PR_LogFlush()
static void dprintf(const char *format, ...)
{
va_list ap;
Str255 buffer;
va_start(ap, format);
buffer[0] = std::vsnprintf((char *)buffer + 1, sizeof(buffer) - 1, format, ap);
va_end(ap);
if (PL_strcasestr((char *)&buffer[1], "warning"))
printf("¥¥¥%s\n", (char*)buffer + 1);
else
DebugStr(buffer);
}
#endif // TEMP_MAC_HACK
//------------------------
#elif defined(XP_UNIX)
#include<stdlib.h>
#endif
/*
* Determine if debugger is present in windows.
*/
#if defined (_WIN32)
typedef WINBASEAPI BOOL (WINAPI* LPFNISDEBUGGERPRESENT)();
PRBool InDebugger()
static NS_METHOD FreeDebugObject(void)
{
PRBool fReturn = PR_FALSE;
LPFNISDEBUGGERPRESENT lpfnIsDebuggerPresent = NULL;
HINSTANCE hKernel = LoadLibrary("Kernel32.dll");
if(hKernel)
{
lpfnIsDebuggerPresent =
(LPFNISDEBUGGERPRESENT)GetProcAddress(hKernel, "IsDebuggerPresent");
if(lpfnIsDebuggerPresent)
{
fReturn = (*lpfnIsDebuggerPresent)();
}
FreeLibrary(hKernel);
}
return fReturn;
NS_IF_RELEASE(gDebugObject);
return NS_OK;
}
#endif /* WIN32*/
#define ENSURE_DEBUGOBJECT \
(gDebugObject ? PR_TRUE : (PRBool)(SetupDebugObject() != nsnull))
/**
* Implementation of the nsDebug methods. Note that this code is
* always compiled in, in case some other module that uses it is
* compiled with debugging even if this library is not.
*/
static PRLogModuleInfo* gDebugLog;
static void InitLog(void)
static nsIDebug* SetupDebugObject()
{
if (0 == gDebugLog) {
gDebugLog = PR_NewLogModule("nsDebug");
gDebugLog->level = PR_LOG_DEBUG;
}
NS_GetDebug(&gDebugObject);
if (gDebugObject)
NS_RegisterXPCOMExitRoutine(FreeDebugObject, 0);
return gDebugObject;
}
#ifdef XPCOM_GLUE
nsresult GlueStartupDebug()
{
NS_GetDebug(&gDebugObject);
if (!gDebugObject)
return NS_ERROR_FAILURE;
return NS_OK;
}
void GlueShutdownDebug()
{
NS_IF_RELEASE(gDebugObject);
}
#endif
NS_COM void nsDebug::Abort(const char* aFile, PRIntn aLine)
{
if (!ENSURE_DEBUGOBJECT)
return;
gDebugObject->Abort(aFile, aLine);
}
NS_COM void nsDebug::Break(const char* aFile, PRIntn aLine)
{
if (!ENSURE_DEBUGOBJECT)
return;
gDebugObject->Break(aFile, aLine);
}
NS_COM void nsDebug::Warning(const char* aStr,
const char* aFile,
PRIntn aLine)
{
if (!ENSURE_DEBUGOBJECT)
return;
gDebugObject->Warning(aStr, aFile, aLine);
}
NS_COM void nsDebug::Assertion(const char* aStr, const char* aExpr,
const char* aFile, PRIntn aLine)
{
InitLog();
char buf[1000];
PR_snprintf(buf, sizeof(buf),
"###!!! ASSERTION: %s: '%s', file %s, line %d",
aStr, aExpr, aFile, aLine);
// Write out the assertion message to the debug log
PR_LOG(gDebugLog, PR_LOG_ERROR, ("%s", buf));
PR_LogFlush();
// And write it out to the stderr
fprintf(stderr, "%s\n", buf);
fflush(stderr);
#if defined(_WIN32)
char* assertBehavior = getenv("XPCOM_DEBUG_BREAK");
if (assertBehavior && strcmp(assertBehavior, "warn") == 0)
return;
if(!InDebugger())
{
DWORD code = IDRETRY;
/* Create the debug dialog out of process to avoid the crashes caused by
* Windows events leaking into our event loop from an in process dialog.
* We do this by launching windbgdlg.exe (built in xpcom/windbgdlg).
* See http://bugzilla.mozilla.org/show_bug.cgi?id=54792
*/
PROCESS_INFORMATION pi;
STARTUPINFO si;
char executable[MAX_PATH];
char* pName;
memset(&pi, 0, sizeof(pi));
memset(&si, 0, sizeof(si));
si.cb = sizeof(si);
si.wShowWindow = SW_SHOW;
if(GetModuleFileName(GetModuleHandle("xpcom.dll"), executable, MAX_PATH) &&
NULL != (pName = strrchr(executable, '\\')) &&
NULL != strcpy(pName+1, "windbgdlg.exe") &&
#ifdef DEBUG_jband
(printf("Launching %s\n", executable), PR_TRUE) &&
#endif
CreateProcess(executable, buf, NULL, NULL, PR_FALSE,
DETACHED_PROCESS | NORMAL_PRIORITY_CLASS,
NULL, NULL, &si, &pi) &&
WAIT_OBJECT_0 == WaitForSingleObject(pi.hProcess, INFINITE) &&
GetExitCodeProcess(pi.hProcess, &code))
{
CloseHandle(pi.hProcess);
}
switch(code)
{
case IDABORT:
//This should exit us
raise(SIGABRT);
//If we are ignored exit this way..
_exit(3);
break;
case IDIGNORE:
return;
// Fall Through
}
}
#endif
#if defined(XP_OS2)
char* assertBehavior = getenv("XPCOM_DEBUG_BREAK");
if (assertBehavior && strcmp(assertBehavior, "warn") == 0)
return;
char msg[1200];
PR_snprintf(msg, sizeof(msg),
"%s\n\nClick Cancel to Debug Application.\n"
"Click Enter to continue running the Application.", buf);
ULONG code = MBID_ERROR;
code = WinMessageBox(HWND_DESKTOP, HWND_DESKTOP, msg,
"nsDebug::Assertion", 0,
MB_ERROR | MB_ENTERCANCEL);
/* It is possible that we are executing on a thread that doesn't have a
* message queue. In that case, the message won't appear, and code will
* be 0xFFFF. We'll give the user a chance to debug it by calling
* Break()
* Actually, that's a really bad idea since this happens a lot with threadsafe
* assertions and since it means that you can't actually run the debug build
* outside a debugger without it crashing constantly.
*/
if(( code == MBID_ENTER ) || (code == MBID_ERROR))
{
return;
// If Retry, Fall Through
}
#endif
Break(aFile, aLine);
{
if (!ENSURE_DEBUGOBJECT)
return;
gDebugObject->Assertion(aStr, aExpr, aFile, aLine);
}
NS_COM void nsDebug::Break(const char* aFile, PRIntn aLine)
{
#ifndef TEMP_MAC_HACK
// Write out the assertion message to the debug log
InitLog();
PR_LOG(gDebugLog, PR_LOG_ERROR,
("###!!! Break: at file %s, line %d", aFile, aLine));
PR_LogFlush();
fprintf(stderr, "Break: at file %s, line %d\n",aFile, aLine); fflush(stderr);
fflush(stderr);
#if defined(_WIN32)
#ifdef _M_IX86
::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)
//
;
}
#ifndef XPCOM_GLUE
else if ( strcmp(assertBehavior,"stack")==0 ) {
// walk the stack
//
nsTraceRefcnt::WalkTheStack(stderr);
}
#endif
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
}
NS_COM void nsDebug::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);
}
//**************** All Dead Code Below
// Don't use these!
NS_COM void nsDebug::AbortIfFalse(const char* aStr, const char* aExpr,
const char* aFile, PRIntn aLine)
{
Assertion(aStr, aExpr, aFile, aLine);
}
NS_COM void nsDebug::WarnIfFalse(const char* aStr, const char* aExpr,
const char* aFile, PRIntn aLine)
{
Assertion(aStr, aExpr, aFile, aLine);
}
NS_COM void nsDebug::Abort(const char* aFile, PRIntn 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;
#elif defined(XP_BEOS)
{
#ifndef DEBUG_cls
char buf[2000];
sprintf(buf, "Abort: at file %s, line %d", aFile, aLine);
DEBUGGER(buf);
#endif
}
#endif
}
NS_COM void nsDebug::PreCondition(const char* aStr, const char* aExpr,
const char* aFile, PRIntn aLine)
{
Assertion(aStr, aExpr, aFile, aLine);
}
NS_COM void nsDebug::PostCondition(const char* aStr, const char* aExpr,
const char* aFile, PRIntn aLine)
{
Assertion(aStr, aExpr, aFile, aLine);
}
NS_COM void nsDebug::NotYetImplemented(const char* aMessage,
const char* aFile, PRIntn aLine)
{
Assertion(aMessage, "NotYetImplemented", aFile, aLine);
}
NS_COM void nsDebug::NotReached(const char* aMessage,
const char* aFile, PRIntn aLine)
{
Assertion(aMessage, "Not Reached", aFile, aLine);
}
NS_COM void nsDebug::Error(const char* aMessage,
const char* aFile, PRIntn aLine)
{
Assertion(aMessage, "Error", aFile, aLine);
}
////////////////////////////////////////////////////////////////////////////////
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;
}
}
////////////////////////////////////////////////////////////////////////////////
// This wrapper around PR_GetCurrentThread is simply here for debug builds so
// that clients linking with xpcom don't also have to link with nspr explicitly.
#if defined(NS_DEBUG)
#include "nsISupportsUtils.h"
#include "prthread.h"
extern "C" NS_COM void* NS_CurrentThread(void);
extern "C" NS_COM void NS_CheckThreadSafe(void* owningThread, const char* msg);
void*
NS_CurrentThread(void)
{
void* th = PR_GetCurrentThread();
return th;
}
/*
* DON'T TOUCH THAT DIAL...
* For now, we're making the thread-safety checking be on by default which, yes, slows
* down linux a bit... but we're doing it so that everybody has a chance to exercise
* their code a good deal before the beta. After we branch, we'll turn this back off
* and then you can enable it explicitly by setting XPCOM_CHECK_THREADSAFE. This will
* let you verify the thread-safety of your classes without impacting everyone all the
* time.
*/
static PRBool gCheckThreadSafeDefault = PR_TRUE; // READ THE ABOVE COMMENT FIRST!
void
NS_CheckThreadSafe(void* owningThread, const char* msg)
{
static int check = -1;
if (check == -1) {
const char *eVar = getenv("XPCOM_CHECK_THREADSAFE");
if (eVar && *eVar == '0')
check = 0;
else
check = gCheckThreadSafeDefault || eVar != 0;
}
if (check) {
NS_ASSERTION(owningThread == NS_CurrentThread(), msg);
}
}
#endif // !(defined(NS_DEBUG)
////////////////////////////////////////////////////////////////////////////////

101
xpcom/glue/nsDebug.h
View File

@ -61,54 +61,12 @@
class nsDebug {
public:
/**
* When called, this will log a fatal abort message (to stderr and
* to the NSPR log file) and then abort the program. This is
* used by the NS_ABORT_IF_FALSE macro below when debugging is
* enabled.
*/
static NS_COM void AbortIfFalse(const char* aStr, const char* aExpr,
const char* aFile, PRIntn aLine);
/**
* Log a warning message when an expression is not true. Used by
* the NS_WARN_IF_FALSE macro below when debugging is enabled.
*
* The default behavior of this method is print a message to stderr
* and to log an event in the NSPR log file.
* Log a warning message to the debug log.
*/
static NS_COM void WarnIfFalse(const char* aStr, const char* aExpr,
const char* aFile, PRIntn aLine);
/**
* Enable flying a warning message box (if the platform supports
* such a thing) when WarnIfFalse is called in addition to
* the usual printing to stderr and the NSPR log file.
*
* If aOnOff is PR_TRUE then the message-box is enabled, otherwise
* the message-box is disabled.
*
* The default state for the message-box enable is "off".
*
* Note also that the implementation looks at an environment
* variable (for those platforms that have environment variables...)
* called MOZ_WARNING_MESSAGE_BOX that when set enables the
* warning message box by default.
*/
static NS_COM void SetWarningMessageBoxEnable(PRBool aOnOff);
/**
* Get the current setting of the message-box enable.
*/
static NS_COM PRBool GetWarningMessageBoxEnable(void);
// Note: Methods below this line are the old ones; please start using
// the new ones. The old ones will be removed eventually!
//////////////////////////////////////////////////////////////////////
// XXX add in log controls here
// XXX probably want printf type arguments
static NS_COM void Warning(const char* aMessage,
const char* aFile, PRIntn aLine);
/**
* Abort the executing program. This works on all architectures.
@ -120,47 +78,11 @@ public:
*/
static NS_COM void Break(const char* aFile, PRIntn aLine);
/**
* Log a pre-condition message to the debug log
*/
static NS_COM void PreCondition(const char* aStr, const char* aExpr,
const char* aFile, PRIntn aLine);
/**
* Log a post-condition message to the debug log
*/
static NS_COM void PostCondition(const char* aStr, const char* aExpr,
const char* aFile, PRIntn aLine);
/**
* Log an assertion message to the debug log
*/
static NS_COM void Assertion(const char* aStr, const char* aExpr,
const char* aFile, PRIntn aLine);
/**
* Log a not-yet-implemented message to the debug log
*/
static NS_COM void NotYetImplemented(const char* aMessage,
const char* aFile, PRIntn aLine);
/**
* Log a not-reached message to the debug log
*/
static NS_COM void NotReached(const char* aMessage,
const char* aFile, PRIntn aLine);
/**
* Log an error message to the debug log. This call returns.
*/
static NS_COM void Error(const char* aMessage,
const char* aFile, PRIntn aLine);
/**
* Log a warning message to the debug log.
*/
static NS_COM void Warning(const char* aMessage,
const char* aFile, PRIntn aLine);
};
#ifdef DEBUG
@ -184,7 +106,7 @@ public:
#define NS_ABORT_IF_FALSE(_expr, _msg) \
PR_BEGIN_MACRO \
if (!(_expr)) { \
nsDebug::AbortIfFalse(_msg, #_expr, __FILE__, __LINE__);\
nsDebug::Assertion(_msg, #_expr, __FILE__, __LINE__); \
} \
PR_END_MACRO
@ -199,7 +121,7 @@ public:
#define NS_WARN_IF_FALSE(_expr,_msg) \
PR_BEGIN_MACRO \
if (!(_expr)) { \
nsDebug::WarnIfFalse(_msg, #_expr, __FILE__, __LINE__); \
nsDebug::Assertion(_msg, #_expr, __FILE__, __LINE__); \
} \
PR_END_MACRO
@ -210,7 +132,7 @@ public:
#define NS_PRECONDITION(expr, str) \
PR_BEGIN_MACRO \
if (!(expr)) { \
nsDebug::PreCondition(str, #expr, __FILE__, __LINE__); \
nsDebug::Assertion(str, #expr, __FILE__, __LINE__); \
} \
PR_END_MACRO
@ -232,7 +154,7 @@ public:
#define NS_POSTCONDITION(expr, str) \
PR_BEGIN_MACRO \
if (!(expr)) { \
nsDebug::PostCondition(str, #expr, __FILE__, __LINE__); \
nsDebug::Assertion(str, #expr, __FILE__, __LINE__); \
} \
PR_END_MACRO
@ -241,20 +163,20 @@ public:
* an attempt was made to execute some unimplimented functionality.
*/
#define NS_NOTYETIMPLEMENTED(str) \
nsDebug::NotYetImplemented(str, __FILE__, __LINE__)
nsDebug::Assertion(str, "NotYetImplemented", __FILE__, __LINE__)
/**
* This macros triggers a program failure if executed. It indicates that
* an attempt was made to execute some unimplimented functionality.
*/
#define NS_NOTREACHED(str) \
nsDebug::NotReached(str, __FILE__, __LINE__)
nsDebug::Assertion(str, "Not Reached", __FILE__, __LINE__)
/**
* Log an error message.
*/
#define NS_ERROR(str) \
nsDebug::Error(str, __FILE__, __LINE__)
nsDebug::Assertion(str, "Error", __FILE__, __LINE__)
/**
* Log a warning message.
@ -348,4 +270,7 @@ public:
///////////////////////////////////////////////////////////////////////////////
#define NS_CheckThreadSafe(owningThread, msg) \
NS_ASSERTION(owningThread == PR_GetCurrentThread(), msg)
#endif /* nsDebug_h___ */

13
xpcom/glue/nsISupportsImpl.h
View File

@ -45,7 +45,10 @@
#include "nsISupportsBase.h"
#endif
#include "pratom.h" /* needed for PR_AtomicIncrement and PR_AtomicDecrement */
#include "prthread.h" /* needed for thread-safety checks */
#include "pratom.h" /* needed for PR_AtomicIncrement and PR_AtomicDecrement */
#include "nsDebug.h"
#ifdef XPCOM_GLUE
// nsTraceRefcnt needs a cleaning...
@ -65,15 +68,11 @@
////////////////////////////////////////////////////////////////////////////////
// Macros to help detect thread-safety:
#if defined(NS_DEBUG) && !defined(XPCOM_GLUE)
extern "C" NS_COM void* NS_CurrentThread(void);
extern "C" NS_COM void NS_CheckThreadSafe(void* owningThread,
const char* msg);
#if defined(NS_DEBUG)
class nsAutoOwningThread {
public:
nsAutoOwningThread() { mThread = NS_CurrentThread(); }
nsAutoOwningThread() { mThread = PR_GetCurrentThread(); }
void *GetThread() const { return mThread; }
private:

38
xpcom/glue/standalone/nsXPCOMGlue.cpp
View File

@ -46,10 +46,10 @@ static PRLibrary *xpcomLib = nsnull;
static XPCOMFunctions *xpcomFunctions = nsnull;
static nsIMemory* xpcomMemory = nsnull;
//#define XPCOM_GLUE_NO_DYNAMIC_LOADING
extern nsresult GlueStartupMemory();
extern void GlueShutdownMemory();
extern nsresult GlueStartupDebug();
extern void GlueShutdownDebug();
extern "C"
nsresult NS_COM XPCOMGlueStartup(const char* xpcomFile)
@ -98,8 +98,29 @@ nsresult NS_COM XPCOMGlueStartup(const char* xpcomFile)
return NS_ERROR_FAILURE;
}
rv = GlueStartupDebug();
if (NS_FAILED(rv)) {
free(xpcomFunctions);
xpcomFunctions = nsnull;
PR_UnloadLibrary(xpcomLib);
xpcomLib = nsnull;
return NS_ERROR_FAILURE;
}
// startup the nsMemory
return GlueStartupMemory();
rv = GlueStartupMemory();
if (NS_FAILED(rv)) {
GlueShutdownDebug();
free(xpcomFunctions);
xpcomFunctions = nsnull;
PR_UnloadLibrary(xpcomLib);
xpcomLib = nsnull;
return NS_ERROR_FAILURE;
}
#endif
}
@ -116,6 +137,8 @@ nsresult NS_COM XPCOMGlueShutdown()
GlueShutdownMemory();
GlueShutdownDebug();
if (xpcomLib) {
PR_UnloadLibrary(xpcomLib);
xpcomLib = nsnull;
@ -207,6 +230,15 @@ NS_UnregisterXPCOMExitRoutine(XPCOMExitRoutine exitRoutine)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions->unregisterExitRoutine(exitRoutine);
}
extern "C" NS_COM nsresult
NS_GetDebug(nsIDebug* *result)
{
if (!xpcomFunctions)
return NS_ERROR_NOT_INITIALIZED;
return xpcomFunctions->getDebug(result);
}
#endif // #ifndef XPCOM_GLUE_NO_DYNAMIC_LOADING