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Diffstat (limited to 'Doc')
| -rw-r--r-- | Doc/library/decimal.rst | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/Doc/library/decimal.rst b/Doc/library/decimal.rst index 4e640cc..9e31781 100644 --- a/Doc/library/decimal.rst +++ b/Doc/library/decimal.rst @@ -1475,9 +1475,18 @@ are also included in the pure Python version for compatibility. .. data:: HAVE_THREADS - The default value is ``True``. If Python is compiled without threads, the - C version automatically disables the expensive thread local context - machinery. In this case, the value is ``False``. + The value is ``True``. Deprecated, because Python now always has threads. + +.. deprecated:: 3.9 + +.. data:: HAVE_CONTEXTVAR + + The default value is ``True``. If Python is compiled ``--without-decimal-contextvar``, + the C version uses a thread-local rather than a coroutine-local context and the value + is ``False``. This is slightly faster in some nested context scenarios. + +.. versionadded:: 3.9 + Rounding modes -------------- |