[asterisk-dev] Running a thread

[MohammedShehzad]

On Wed, Jan 6, 2010 at 8:15 PM, Russell Bryant <russell at digium.com> wrote:

> On 01/06/2010 01:36 AM, MohammedShehzad wrote:
> > I made the thread detachable by replacing ast_pthread_create_background
> with
> > below code:
> >              pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
> >              ast_pthread_create(&rtp->thread_var,&attr,
> > ast_rtp_write_thread, rtp);
> >
> > It resolved the above leak, it seems that there is another leak too as
> > below, which did not get resolved:
> >
> > ==3112== 1,241,886 bytes in 2,849 blocks are still reachable in loss
> record
> > 41 of 41
> > ==3112==    at 0x4005525: malloc (vg_replace_malloc.c:149)
> > ==3112==    by 0x8075B0A: __ast_alloc_region (astmm.c:115)
> > ==3112==    by 0x8075AC5: __ast_calloc (astmm.c:198)
> > ==3112==    by 0x8120CFB: ast_threadstorage_get (threadstorage.h:130)
> > ==3112==    by 0x8121961: ast_store_lock_info (utils.c:551)
> > ==3112==    by 0x806BA56: __ast_pthread_mutex_lock (lock.h:369)
> > ==3112==    by 0x806B97C: ast_register_file_version (asterisk.c:281)
> > ==3112==    by 0x812091D: __register_file_version (utils.c:28)
> > ==3112==    by 0x814426A: (within /usr/sbin/asterisk)
> > ==3112==    by 0x8057A6C: (within /usr/sbin/asterisk)
> > ==3112==    by 0x8144138: __libc_csu_init (in /usr/sbin/asterisk)
> > ==3112==    by 0xB2D330: (below main) (in /lib/libc-2.7.so)
> > ==3112==
>
> Are you positive that the thread is actually exiting?  If the thread
> just does an invite loop, the thread is not going to actually exit, and
> the thread local storage will not be destroyed (which is the leak you see).
>
>
Thread just exit when the function ast_rtp_stop is executed, also it does
not use any memory allocation like malloc, calloc.

--MohammedShehzad
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