The multiple accesses are simply done sequentially, by calling
myapp_http_post2 multiple times. This is a single threaded program. It
is forked from a parent process, but curl is initialized and only used
in the child.

I am also calling curl_free after using curl_escape, in the code that
calls myapp_http_post2. Are there issues with using realloc in the
callback function?

On 3/22/07, Dan Fandrich <dan_at_coneharvesters.com> wrote:
> On Thu, Mar 22, 2007 at 04:51:23PM -0700, Mark Wattier wrote:
> > We have a set of wrappers for curl that we have been using in our
> > application for a long time, but it always would only make one access
> > in the life of a process. We are now doing something fancier,
> > involving multiple accesses, and we get this particular problem with
> > the third access attempt. The program goes into curl_easy_perform, and
> > never comes out, using 20% of the CPU or more. I kill the process with
> > signal 11, and it always appears to be in the same place. See core
> > dump below.
>
> It looks like the heap has been corrupted somehow. How are you
> implementing these "multiple accesses"? Multithreading? Have you taken
> care of all the locking issues?
>
> >>> Dan
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Received on 2007-03-23