[Gambas-user] Allocations non freed.
Fabien Bodard
gambas.fr at ...626...
Thu Oct 31 19:02:51 CET 2013
Jorge i can't do anything without code :-)
2013/10/31 Jorge Carrión <shordi at ...626...>
> Oh! Sorry Fabien. Now I read that you question is for Tobi, not for me.
>
> Sorry for the noise.
>
> Regards
>
>
> 2013/10/31 Fabien Bodard <gambas.fr at ...626...>
>
> > tTemp=null to free the object But i'm not sure that solve all. You have
> > tester your class as it ?
> >
> >
> >
> > 2013/10/29 Tobias Boege <taboege at ...626...>
> >
> > > On Mon, 28 Oct 2013, Kevin Fishburne wrote:
> > > > On 10/28/2013 03:50 PM, Tobias Boege wrote:
> > > > > On Mon, 28 Oct 2013, Jorge Carri?n wrote:
> > > > >> I have a component who inherits from gridview.
> > > > >> It's not a complicated thing, but when its included in a project
> > > allways
> > > > >> produced a warning in the console about allocations non freed like
> > > this.
> > > > >>
> > > > >> gbx3: warning: 82 allocation(s) non freed.
> > > > >>
> > > > >> I have read that it references to variables who remains allocated
> in
> > > ram
> > > > >> after the end of the program but I don't any clue about how
> prevent
> > > this.
> > > > >>
> > > > >> I've coded something like this in al close event of all parts of
> the
> > > > >> component
> > > > >>
> > > > >> variableObjecA=null
> > > > >> variableNumericB=0
> > > > >> variableStringC=""
> > > > >>
> > > > >> But the warning still remains.
> > > > >>
> > > > >> Someone knows a way to prevent or debug this?
> > > > >>
> > > > >> Thanks in advance.
> > > > >>
> > > > > I don't really know a good way to debug it. A solution might be to
> > > send your
> > > > > project to this list so we could have a look.
> > > > >
> > > > > BTW, 82 is an impressive number! I never came above 10. :-)
> > > > >
> > > > > Regards,
> > > > > Tobi
> > > >
> > > > Mine have gotten in the 800's, possibly higher, so I'd like to know
> > > > what's up with that as well. In my case I think it may have something
> > to
> > > > do with arrays of structures where one of the structure properties is
> > an
> > > > array of OpenGL textures. Here are some snippets:
> > > >
> > >
> > > Doesn't sound harmful what you describe. However, if you have any
> > circular
> > > references in this hierarchy (strictly speaking, if you have, it is
> not a
> > > hierarchie anymore but let's be sloppy on this), Gambas will get
> problems
> > > automatically freeing your objects. But IIRC, in this case, Gambas will
> > > detect that you have produced circular references and tell you so.
> > >
> > > Also, it can be that whatever component deals with OpenGL textures
> (maybe
> > > gb.opengl?) is buggy. Maybe it doesn't release all memory it
> > allocated...?
> > >
> > > > Public Struct Render_Texture
> > > > Loaded As Boolean
> > > > FileName As String
> > > > ID As Integer[]
> > > > SubID As Short
> > > > Width As Short
> > > > Height As Short
> > > > Frames As Short
> > > > LastUsed As Single
> > > > End Struct
> > > >
> > > > Public tiPWO[32768] As Struct Render_Texture
> > > >
> > > > Public Sub Textures_PWO_Load()
> > > >
> > > > ' Load all PWO images into OpenGL textures.
> > > >
> > > > ' General declarations.
> > > > Dim Counter1 As Short ' General Counter.
> > > > Dim Counter2 As Short ' General Counter.
> > > >
> > > > ' Load PWO textures.
> > > > For Counter1 = 0 To 32766
> > > > ' If PWO image files exist then load them into OpenGL textures.
> > > > If Exist(BasePath & "/image/pwo/" & Counter1 & "_0.png") Then
> > > > tiPWO[Counter1].ID = Gl.GenTextures(16)
> > > > For Counter2 = 0 To 15
> > > > tTemp = Image.Load(BasePath & "/image/pwo/" & Counter1 &
> "_" &
> > > > Counter2 & ".png")
> > > > tiPWO[Counter1].Loaded = True
> > > > tiPWO[Counter1].Height = tTemp.Height
> > > > tiPWO[Counter1].Width = tTemp.Width
> > > > Gl.BindTexture(Gl.TEXTURE_2D, tiPWO[Counter1].ID[Counter2])
> > > > Gl.TexImage2D(tTemp)
> > > > Glu.Build2DMipmaps(tTemp)
> > > > Settings_MipMap(True)
> > > > Settings_Wrap(False)
> > > > Next
> > > > Endif
> > > > Next
> > > >
> > > > ' Clear temporary image.
> > > > tTemp.Clear
> > > >
> > > > End
> > > >
> > >
> > > Doesn't look wrong in my eyes. But the OpenGL stuff is a black box to
> me.
> > >
> > > Regards,
> > > Tobi
> > >
> > > --
> > > "There's an old saying: Don't change anything... ever!" -- Mr. Monk
> > >
> > >
> > >
> >
> ------------------------------------------------------------------------------
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> > >
> >
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> >
> > --
> > Fabien Bodard
> >
> >
> ------------------------------------------------------------------------------
> > Android is increasing in popularity, but the open development platform
> that
> > developers love is also attractive to malware creators. Download this
> white
> > paper to learn more about secure code signing practices that can help
> keep
> > Android apps secure.
> >
> http://pubads.g.doubleclick.net/gampad/clk?id=65839951&iu=/4140/ostg.clktrk
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> >
>
> ------------------------------------------------------------------------------
> Android is increasing in popularity, but the open development platform that
> developers love is also attractive to malware creators. Download this white
> paper to learn more about secure code signing practices that can help keep
> Android apps secure.
> http://pubads.g.doubleclick.net/gampad/clk?id=65839951&iu=/4140/ostg.clktrk
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--
Fabien Bodard
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