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bpo-30832: Remove own implementation for thread-local storage#2537

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vstinner merged 4 commits into
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ma8ma:bpo-30832-remove-own-impl-for-tls
Jul 3, 2017
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bpo-30832: Remove own implementation for thread-local storage#2537
vstinner merged 4 commits into
python:masterfrom
ma8ma:bpo-30832-remove-own-impl-for-tls

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@ma8ma

@ma8ma ma8ma commented Jul 3, 2017

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CPython has provided the own implementation for thread-local storage (TLS) on Python/thread.c, it's used in the case which a platform has not supplied native TLS. However, currently all supported platforms (NT and pthreads) have provided native TLS and defined the Py_HAVE_NATIVE_TLS macro with unconditional in any case.
Therefore, I'd propose removing outdated code.

http://bugs.python.org/issue30832

Note that the comment for TLS API description is kept up because it isn't in other places. If new Thread Specific Storage API (PEP 539) makes to be in public, this description is removed and probably create description for new API into Doc/c-api.

CPython has provided the own implementation for thread-local storage
(TLS) on Python/thread.c, it's used in the case which a platform has
not supplied native TLS.  However, currently all supported platforms
(NT and pthreads) have provided native TLS and defined the
Py_HAVE_NATIVE_TLS macro with unconditional in any case.

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You can now remove Py_HAVE_NATIVE_TLS define. It's no more used. No?

@vstinner

vstinner commented Jul 3, 2017

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Should title and news change like "Change the requirement for CPython thread feature to native thread"?

I don't think so.

@vstinner vstinner merged commit aa0aa04 into python:master Jul 3, 2017
@vstinner

vstinner commented Jul 3, 2017

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Ok. I merged your PR. Let's watch buildbots http://buildbot.python.org/all/waterfall?category=3.x.stable&category=3.x.unstable Maybe I will regret in a few minutes ;-)

@ma8ma

ma8ma commented Jul 3, 2017

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@Haypo Thank you for testing!

@ma8ma ma8ma deleted the bpo-30832-remove-own-impl-for-tls branch July 5, 2017 11:34
vstinner added a commit that referenced this pull request Jul 5, 2017
vstinner added a commit that referenced this pull request Jul 5, 2017
* Revert "bpo-30854: Fix compile error when --without-threads (#2581)"

This reverts commit 0c31163.

* Revert "NEWS for 30777 (#2576)"

This reverts commit aaa917f.

* Revert "bpo-21624: IDLE -- minor htest fixes (#2575)"

This reverts commit 2000150.

* Revert "bpo-30777: IDLE: configdialog - add docstrings and improve comments (#2440)"

This reverts commit 7eb5883.

* Revert "bpo-30319: socket.close() now ignores ECONNRESET (#2565)"

This reverts commit 67e1478.

* Revert "bpo-30789: Use a single memory block for co_extra. (#2555)"

This reverts commit 378ebb6.

* Revert "bpo-30845: Enhance test_concurrent_futures cleanup (#2564)"

This reverts commit 3df9dec.

* Revert "bpo-29293: multiprocessing.Condition.notify() lacks parameter `n` (#2480)"

This reverts commit 4835041.

* Revert "Remove outdated FOX from GUI FAQ (GH-2538)"

This reverts commit d3ed287.

* Revert "bpo-6691: Pyclbr now reports nested classes and functions. (#2503)"

This reverts commit 246ff3b.

* Revert "bpo-29464: Rename METH_FASTCALL to METH_FASTCALL|METH_KEYWORDS and make (#1955)"

This reverts commit 6969eaf.

* Revert "bpo-30832: Remove own implementation for thread-local storage (#2537)"

This reverts commit aa0aa04.

* Revert "bpo-30764: Fix regrtest --fail-env-changed --forever (#2536)"

This reverts commit 5e87592.

* Revert "bpo-30822: Deduplicate ZoneInfoTest classes in test_datetime. (#2534)"

This reverts commit 34b5487.

* Revert "bpo-30822: Fix testing of datetime module. (#2530)"

This reverts commit 98b6bc3.
ma8ma added a commit to ma8ma/cpython that referenced this pull request Jul 13, 2017
Resolve conflicts:
aa0aa04 bpo-30832: Remove own implementation for thread-local storage (python#2537)
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3 participants