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Re: Memory Leaks in OpenGL Implementation

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Re: Memory Leaks in OpenGL Implementation

Subject: Re: Memory Leaks in OpenGL Implementation
From: Alexander Küken <email@hidden>
Date: Tue, 7 Feb 2006 17:17:09 +0100

With my actual project i get this:

Process 8386: 11168 nodes malloced for 1406 KB Process 8386: 10 leaks for 160 total leaked bytes. Leak: 0x0051aa10 size=16 0x00000001 0x00516980 0x97beb8d4 0x00000000 .....Qi......... Call stack: [thread 1fb3]: | 0x0 | start | _start | main | glutInit | +[NSApplication sharedApplication] | -[GLUTApplication init] | - [NSApplication setDelegate:] | -[NSNotificationCenter (NSNotificationCenterAppKitExtensions) _addObserver:notificationNamesAndSelectorNames:object:onlyIfSelectorIsIm plemented:] | -[NSNotificationCenter addObserver:selector:name:object:] | _nsnoteinfo_new Leak: 0x0051a9d0 size=16 0x00000001 0x00516980 0x97beb8e8 0x00000000 .....Qi......... Call stack: [thread 1fb3]: | 0x0 | start | _start | main | glutInit | +[NSApplication sharedApplication] | -[GLUTApplication init] | - [NSApplication setDelegate:] | -[NSNotificationCenter (NSNotificationCenterAppKitExtensions) _addObserver:notificationNamesAndSelectorNames:object:onlyIfSelectorIsIm plemented:] | -[NSNotificationCenter addObserver:selector:name:object:] | _nsnoteinfo_new Leak: 0x0051a860 size=16 0x00000001 0x00516980 0x97beb8b8 0x00000000 .....Qi......... Call stack: [thread 1fb3]: | 0x0 | start | _start | main | glutInit | +[NSApplication sharedApplication] | -[GLUTApplication init] | - [NSApplication setDelegate:] | -[NSNotificationCenter (NSNotificationCenterAppKitExtensions) _addObserver:notificationNamesAndSelectorNames:object:onlyIfSelectorIsIm plemented:] | -[NSNotificationCenter addObserver:selector:name:object:] | _nsnoteinfo_new Leak: 0x0052e7a0 size=16 0x00000001 0xa36c92f4 0x90a3a548 0x00000004 .....l.....H.... Call stack: [thread bfffec0f]: | 0x0 | start | _start | main | glutCreateWindow | __glutCreateWindow | -[GLUTWindow initWithContentRect:pixelFormat:windowID:gameMode:fullscreenStereo:treat AsSingle:] | -[GLUTWindow _initWithContentRect:styleMask:contentView:] | -[NSWindow initWithContentRect:styleMask:backing:defer:] | -[NSWindow _initContent:styleMask:backing:defer:contentView:] | -[NSWindow frameRectForContentRect:styleMask:] | +[NSWindow frameRectForContentRect:styleMask:] | objc_msgSend_stret | _class_lookupMethodAndLoadCache | class_initialize | class_initialize | class_initialize | -[NSNotificationCenter addObserver:selector:name:object:] | _nsnoteinfo_new Leak: 0x005268f0 size=16 0x00000001 0xa36cadc4 0x909fc364 0x00000000 .....l.....d.... Call stack: [thread 1fb3]: | 0x0 | start | _start | main | glutInit | +[NSBundle(NSNibLoading) loadNibNamed:owner:] | +[NSBundle (NSNibLoading) loadNibFile:externalNameTable:withZone:] | +[NSBundle (NSNibLoading) _loadNibFile:nameTable:withZone:ownerBundle:] | old_loadNib | -[NSIBObjectData nibInstantiateWithOwner:topLevelObjects:] | -[NSSet makeObjectsPerformSelector:] | -[NSMenu _finishedMakingConnections] | -[NSMenu _setMenuName:] | -[NSApplication setMainMenu:] | objc_msgSend | _class_lookupMethodAndLoadCache | class_initialize | class_initialize | -[NSNotificationCenter addObserver:selector:name:object:] | _nsnoteinfo_new Leak: 0x00525750 size=16 0x00000001 0x00530020 0x90a375dc 0x00000000 .....S. ..u..... Call stack: [thread 1fb3]: | 0x0 | start | _start | main | glutCreateWindow | __glutCreateWindow | -[GLUTWindow initWithContentRect:pixelFormat:windowID:gameMode:fullscreenStereo:treat AsSingle:] | -[GLUTWindow _initWithContentRect:styleMask:contentView:] | -[NSWindow initWithContentRect:styleMask:backing:defer:] | -[NSWindow _initContent:styleMask:backing:defer:contentView:] | -[NSWindow _commonInitFrame:styleMask:backing:defer:] | -[NSThemeFrame initWithFrame:styleMask:owner:] | -[NSTitledFrame initWithFrame:styleMask:owner:] | -[NSFrameView initWithFrame:styleMask:owner:] | -[NSNotificationCenter addObserver:selector:name:object:] | _nsnoteinfo_new Leak: 0x00538f20 size=16 0x00000001 0x005542e0 0x90a01de4 0x00010001 .....UB......... Call stack: [thread 1fb3]: | 0x0 | start | _start | main | glutCreateWindow | __glutCreateWindow | -[GLUTView lockFocus] | - [NSOpenGLContext setView:] | -[NSSurface initWithView:] | -[NSSurface setView:] | -[NSSurface setWindow:] | -[NSNotificationCenter addObserver:selector:name:object:] | _nsnoteinfo_new Leak: 0x00548fb0 size=16 0x00000001 0x00525040 0x909f7c2c 0x00010001 .....RP@..|,.... Call stack: [thread 1fb3]: | 0x0 | start | _start | main | glutCreateWindow | __glutCreateWindow | -[GLUTWindow initWithContentRect:pixelFormat:windowID:gameMode:fullscreenStereo:treat AsSingle:] | -[GLUTWindow _initWithContentRect:styleMask:contentView:] | -[NSWindow initWithContentRect:styleMask:backing:defer:] | -[NSWindow _initContent:styleMask:backing:defer:contentView:] | - [NSNotificationCenter addObserver:selector:name:object:] | _nsnoteinfo_new Leak: 0x00555390 size=16 0x00000001 0xa36c8454 0x90a15208 0x01785000 .....l.T..R..xP. Call stack: [thread 1fb3]: | 0x0 | start | _start | main | glutMainLoop | -[GLUTApplication run] | -[NSApplication finishLaunching] | _NSAccessibilityInit | -[NSNotificationCenter addObserver:selector:name:object:] | _nsnoteinfo_new

Looking at the content, the instances are different.

With another programm i got this:

Leak: 0x0050f500 size=32 0x000186a0 0x00000000 0x000186b4 0x000186ac ................ 0x00000000 0x00000000 0x02812a00 0x00000002 ..........*..... Call stack: [thread 1eff]: | 0xbffff664 | start | _start | main | initializeDisplayLists | renderWheel | gluNewQuadricCTX Leak: 0x00516190 size=16 0x00000001 0x0050e580 0x909dd6a8 0x00081000 .....P.......... Call stack: [thread 1eff]: | 0xbffff664 | start | _start | main | glutInit | +[NSApplication sharedApplication] | - [GLUTApplication init] | -[NSApplication init] | - [NSDistributedNotificationCenter addObserver:selector:name:object:suspensionBehavior:] | _nsnoteinfo_new Leak: 0x0050a580 size=16 0x00000001 0x00000000 0x907d3924 0x00000000 .........}9 $.... Call stack: [thread bfffec0f]: | 0xbffff664 | start | _start | main | glutInit | __glutSetForeground | GetCurrentProcess | INIT_Processes | RegisterProcess | _CGSDefaultConnection | CGSInitialize | pthread_once | cgsInit | initCGDisplayMappings | initCGDisplayState | CGSScoreboard | CGSServerPort | CFBundleGetValueForInfoDictionaryKey | CFBundleGetLocalInfoDictionary | CFBundleCopyResourceURL | _CFBundleGetLanguageSearchList | _CFBundleAddPreferredLprojNamesInDirectory | _CFBundleCopyUserLanguages | CFPreferencesCopyAppValue | _CFStandardApplicationPreferences | CFNotificationCenterAddObserver | CFAllocatorAllocate

Am 07.02.2006 um 17:08 schrieb Shawn Erickson:.


How many instances are you seeing the report leaks? It could be that
leaks is just mislabeling it as a leak.

-Shawn


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Re: Memory Leaks in OpenGL Implementation
From: Shawn Erickson <email@hidden>


References:  
  >Memory Leaks in OpenGL Implementation (From: Alexander Küken <email@hidden>)
  >Re: Memory Leaks in OpenGL Implementation (From: Shawn Erickson <email@hidden>)




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