[ovs-dev] [PATCH v2] ovs_threads: Avoid running pthread destructors from main thread exit.

[Ben Pfaff]

On Wed, Apr 22, 2015 at 12:20:23PM -0700, Gurucharan Shetty wrote:
> Windows uses pthreads-win32 library to provide the Linux pthread
> functionality. It is observed that when the main thread calls
> a pthread destructor after it exits, undefined behavior is seen
> (e.g., junk values in data, causing pthread deadlocks).
> Similar behavior has been seen by
> other people as seen in the following email thread:
> https://sourceware.org/ml/pthreads-win32/2003/msg00001.html
> 
> To avoid this, this commit de-registers the thread destructor
> when the main thread exits (via the atexit handler).
> 
> Signed-off-by: Gurucharan Shetty <gshetty at nicira.com>
> ---
> v1->v2: Update the commit message to include an example.

Acked-by: Ben Pfaff <blp at nicira.com>