[openssl/openssl] 76ef06: doc: document thread cancellation and non-local exits

"'Mounir IDRASSI' via openssl-commits" <[email protected]>
Newsgroups gmane.comp.encryption.openssl.cvs
Message-ID <openssl/openssl/push/refs/heads/master/[email protected]>
  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: 76ef06e5266f79d46b273ad8146cafeee22bd86b
      https://github.com/openssl/openssl/commit/76ef06e5266f79d46b273ad8146cafeee22bd86b
  Author: Mounir IDRASSI <[email protected]>
  Date:   2026-08-19 (Wed, 19 Aug 2026)

  Changed paths:
    M doc/man3/OPENSSL_init_crypto.pod
    M doc/man7/openssl-threads.pod

  Log Message:
  -----------
  doc: document thread cancellation and non-local exits

Document that OpenSSL provides no general guarantee that an
in-progress call can be abandoned safely through thread cancellation,
forced termination, or another non-local exit.

Explain indirect cancellation points, the limits of thread-local
cleanup, POSIX cancellation masking, and cooperative cancellation.
Clarify in OPENSSL_init_crypto(3) that automatic thread cleanup does
not unwind an interrupted call.

Assisted-by: Codex:gpt-5.6-sol
Reviewed-by: Tomas Mraz <[email protected]>
Reviewed-by: Andrew Dinh <[email protected]>
Merge-date: Wed Aug 19 10:28:49 2026
Merged-from: https://github.com/openssl/openssl/pull/32139


  Commit: a0605a85b24e135f2da4d870c62b6a7b163e18f2
      https://github.com/openssl/openssl/commit/a0605a85b24e135f2da4d870c62b6a7b163e18f2
  Author: Mounir IDRASSI <[email protected]>
  Date:   2026-08-19 (Wed, 19 Aug 2026)

  Changed paths:
    M doc/man3/SSL_poll.pod
    M doc/man7/openssl-quic-concurrency.pod

  Log Message:
  -----------
  doc: document QUIC thread cancellation consequences

Describe the domain-wide consequences of interrupting QUIC API
processing while synchronisation is held or notification state is
registered.

Clarify that SSL_poll() can leave stale registrations in multiple
notifier-enabled domains, and provide cooperative cancellation and
application-driven event-loop guidance.

Assisted-by: Codex:gpt-5.6-sol
Reviewed-by: Tomas Mraz <[email protected]>
Reviewed-by: Andrew Dinh <[email protected]>
Merge-date: Wed Aug 19 10:28:50 2026
Merged-from: https://github.com/openssl/openssl/pull/32139


Compare: https://github.com/openssl/openssl/compare/f8c7d65c6cea...a0605a85b24e

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