What if we call SLPPropertyExit as part of the cleanup in
libslp_handle:ExitUserAgentLibrary?
On Mon, Jun 30, 2008 at 8:07 AM, Roel van de Kraats <[EMAIL PROTECTED]>
wrote:
> Hi,
>
> I encountered a SEGV in libslp during exit of an application. It turned out
> that
> the application called SLPDereg() via atexit(). However, libslp itself
> already
> cleaned-up its properties via atexit() as well, causing the SEGV.
>
> The following small patch simply disables libslp's atexit() handler. I
> don't
> believe it is needed anyway, since the used memory will be freed
> at application exit automatically.
>
> The patch is against trunk/r1589.
>
> Kind regards,
> Roel van de Kraats
>
>
> --- begin patch ---
>
> Skip cleaning-up via atexit(), since it causes problems with applications
> that will try to deregister via atexit() as well.
> Roel van de Kraats
>
> diff -ur openslp-2.0.beta1.r1589/libslp/libslp_property.c
> openslp-2.0.beta1/libslp/libslp_property.c
> --- openslp-2.0.beta1.r1589/libslp/libslp_property.c 2008-03-27
> 00:27:22.000000000 +0100
> +++ openslp-2.0.beta1/libslp/libslp_property.c 2008-06-27
> 09:02:03.000000000 +0200
> @@ -69,7 +69,9 @@
> SLPSpinLockAcquire(&s_PropInitLock);
> if (!s_PropInited && (rv = SLPPropertyInit(gconffile)) == 0);
> {
> - atexit(SLPPropertyExit);
> +/* Cleaning-up via atexit() will cause problems with applications that
> will try to deregister via atexit() as well. */
> +/* Since memory will be freed at exit anyway, just skip the clean-up
> routine. */
> +/* atexit(SLPPropertyExit); */
> s_PropInited = true;
> }
> SLPSpinLockRelease(&s_PropInitLock);
>
>
>
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