[gnutls-help] pthread safety

[Wei Cheng]

sorry about my english,so i send again.thread safety in GNUTLS
<https://security.stackexchange.com/questions/165861/thread-safety-in-gnutls>

The version of GNUTLS is 3.5. I want to use a child thread to handshake
with remote peer. In my child thread, I just use gnutls_handshake().

   1.

   In the parent thread, can I use pthread_cancel() to cancel the child
   thread safety regardless of the current handshake state?
   2.

   If I have registered the pull/pull_timeout/push functions with
   pthread_cleanup_push/pthread_cleanup_pop, can I cancel the child thread?
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