https://github.com/python/cpython/commit/2122e1ee837564042fa0f1ed0021f0e8c69dda0e
commit: 2122e1ee837564042fa0f1ed0021f0e8c69dda0e
branch: 3.11
author: Erlend E. Aasland <erl...@python.org>
committer: erlend-aasland <erlend.aasl...@protonmail.com>
date: 2024-01-16T17:18:34Z
summary:
[3.11] Docs: Improve multiprocessing.SharedMemory reference (#114093) (#114138)
(cherry picked from b1db6278cf6e60efdeca96244e5d73df4f070bea)
Align the multiprocessing shared memory docs with Diatáxis's
recommendations for references.
- use a parameter list for the SharedMemory.__init__() argument spec
- use the imperative mode
- use versionadded, not versionchanged, for added parameters
- reflow touched lines according to SemBr
files:
M Doc/library/multiprocessing.shared_memory.rst
diff --git a/Doc/library/multiprocessing.shared_memory.rst
b/Doc/library/multiprocessing.shared_memory.rst
index 1771b1589f1cee..47af64578bd529 100644
--- a/Doc/library/multiprocessing.shared_memory.rst
+++ b/Doc/library/multiprocessing.shared_memory.rst
@@ -38,7 +38,8 @@ copying of data.
.. class:: SharedMemory(name=None, create=False, size=0)
- Creates a new shared memory block or attaches to an existing shared
+ Create an instance of the :class:`!SharedMemory` class for either
+ creating a new shared memory block or attaching to an existing shared
memory block. Each shared memory block is assigned a unique name.
In this way, one process can create a shared memory block with a
particular name and a different process can attach to that same shared
@@ -51,22 +52,27 @@ copying of data.
When a shared memory block is no longer needed by any process, the
:meth:`unlink` method should be called to ensure proper cleanup.
- *name* is the unique name for the requested shared memory, specified as
- a string. When creating a new shared memory block, if ``None`` (the
- default) is supplied for the name, a novel name will be generated.
+ :param name:
+ The unique name for the requested shared memory, specified as a string.
+ When creating a new shared memory block, if ``None`` (the default)
+ is supplied for the name, a novel name will be generated.
+ :type name: str | None
- *create* controls whether a new shared memory block is created (``True``)
- or an existing shared memory block is attached (``False``).
+ :param bool create:
+ Control whether a new shared memory block is created (``True``)
+ or an existing shared memory block is attached (``False``).
- *size* specifies the requested number of bytes when creating a new shared
- memory block. Because some platforms choose to allocate chunks of memory
- based upon that platform's memory page size, the exact size of the shared
- memory block may be larger or equal to the size requested. When attaching
- to an existing shared memory block, the *size* parameter is ignored.
+ :param int size:
+ The requested number of bytes when creating a new shared memory block.
+ Because some platforms choose to allocate chunks of memory
+ based upon that platform's memory page size, the exact size of the shared
+ memory block may be larger or equal to the size requested.
+ When attaching to an existing shared memory block,
+ the *size* parameter is ignored.
.. method:: close()
- Closes access to the shared memory from this instance. In order to
+ Close access to the shared memory from this instance. In order to
ensure proper cleanup of resources, all instances should call
:meth:`close` once the instance is no longer needed. Note that calling
:meth:`!close` does not cause the shared memory block itself to be
@@ -74,7 +80,7 @@ copying of data.
.. method:: unlink()
- Requests that the underlying shared memory block be destroyed. In
+ Request that the underlying shared memory block be destroyed. In
order to ensure proper cleanup of resources, :meth:`unlink` should be
called once (and only once) across all processes which have need
for the shared memory block. After requesting its destruction, a
@@ -258,7 +264,7 @@ finishes execution.
.. class:: ShareableList(sequence=None, *, name=None)
- Provides a mutable list-like object where all values stored within are
+ Provide a mutable list-like object where all values stored within are
stored in a shared memory block.
This constrains storable values to the following built-in data types:
@@ -315,12 +321,12 @@ finishes execution.
.. method:: count(value)
- Returns the number of occurrences of *value*.
+ Return the number of occurrences of *value*.
.. method:: index(value)
- Returns first index position of *value*. Raises :exc:`ValueError` if
- *value* is not present.
+ Return first index position of *value*.
+ Raise :exc:`ValueError` if *value* is not present.
.. attribute:: format
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