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gh-103323: Get the "Current" Thread State from a Thread-Local Variable #103324

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Merged
merged 12 commits into from
Apr 24, 2023
Merged

gh-103323: Get the "Current" Thread State from a Thread-Local Variable #103324

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c4db85a
Add a thread_local macro.
ericsnowcurrently Jan 10, 2023
47a7094
tstate_current -> thread_local.
ericsnowcurrently Apr 6, 2023
cf22de1
Add _PyThraedState_GetCurrent().
ericsnowcurrently Apr 7, 2023
d4136d2
Add HAVE_THREAD_LOCAL.
ericsnowcurrently Apr 7, 2023
f8c6598
Support the faster approach, if available.
ericsnowcurrently Apr 7, 2023
9496df0
Do not fail if thread_local not supported.
ericsnowcurrently Apr 7, 2023
2c335a3
thread_local -> _Py_thread_local
ericsnowcurrently Apr 7, 2023
4af0ce7
Only define _Py_thread_local for the core runtime.
ericsnowcurrently Apr 7, 2023
3db4007
Fix pystate.c.
ericsnowcurrently Apr 7, 2023
d573053
Call _PyThreadState_GET() from _PyRuntimeState_GetThreadState().
ericsnowcurrently Apr 7, 2023
feb8ef5
Fix the error message.
ericsnowcurrently Apr 7, 2023
2332a2e
Add a NEWS entry.
ericsnowcurrently Apr 7, 2023
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Add HAVE_THREAD_LOCAL.
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@ericsnowcurrently
ericsnowcurrently committed Apr 7, 2023
commit d4136d28419d17316492b6c351ee021b600e8d3b
4 changes: 4 additions & 0 deletions 4 Include/pyport.h
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Original file line number Diff line number Diff line change
Expand Up @@ -667,11 +667,15 @@ extern char * _getpty(int *, int, mode_t, int);
# ifndef thread_local
# if __STDC_VERSION__ >= 201112L && !defined(__STDC_NO_THREADS__)
# define thread_local _Thread_local
# define HAVE_THREAD_LOCAL 1
# elif defined(_MSC_VER) /* AKA NT_THREADS */
# define thread_local __declspec(thread)
# define HAVE_THREAD_LOCAL 1
# elif defined(__GNUC__) /* includes clang */
# define thread_local __thread
# define HAVE_THREAD_LOCAL 1
# else
// XXX Fall back to the PyThread_tss_*() API.
# error "no supported thread-local variable storage classifier"
# endif
# endif
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