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author | Eli Bendersky <eliben@gmail.com> | 2012-07-13 06:45:31 (GMT) |
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committer | Eli Bendersky <eliben@gmail.com> | 2012-07-13 06:45:31 (GMT) |
commit | b674dcf53eb2d17929214b042506c18df85a53d5 (patch) | |
tree | 47bcace735457ebb0fdc6fb4b5eb45e60d1d6f20 /Doc/library/multiprocessing.rst | |
parent | e08824c300aa98f60afa00133765b9fb3cab9838 (diff) | |
download | cpython-b674dcf53eb2d17929214b042506c18df85a53d5.zip cpython-b674dcf53eb2d17929214b042506c18df85a53d5.tar.gz cpython-b674dcf53eb2d17929214b042506c18df85a53d5.tar.bz2 |
Some fixes for the documentation of multiprocessing (per issue #13686)
Diffstat (limited to 'Doc/library/multiprocessing.rst')
-rw-r--r-- | Doc/library/multiprocessing.rst | 56 |
1 files changed, 32 insertions, 24 deletions
diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst index edc1bb9..e3880db 100644 --- a/Doc/library/multiprocessing.rst +++ b/Doc/library/multiprocessing.rst @@ -305,14 +305,12 @@ The :mod:`multiprocessing` package mostly replicates the API of the should always be ``None``; it exists solely for compatibility with :class:`threading.Thread`. *target* is the callable object to be invoked by the :meth:`run()` method. It defaults to ``None``, meaning nothing is - called. *name* is the process name. By default, a unique name is constructed - of the form 'Process-N\ :sub:`1`:N\ :sub:`2`:...:N\ :sub:`k`' where N\ - :sub:`1`,N\ :sub:`2`,...,N\ :sub:`k` is a sequence of integers whose length - is determined by the *generation* of the process. *args* is the argument - tuple for the target invocation. *kwargs* is a dictionary of keyword - arguments for the target invocation. If provided, the keyword-only *daemon* argument - sets the process :attr:`daemon` flag to ``True`` or ``False``. If ``None`` - (the default), this flag will be inherited from the creating process. + called. *name* is the process name (see :attr:`name` for more details). + *args* is the argument tuple for the target invocation. *kwargs* is a + dictionary of keyword arguments for the target invocation. If provided, + the keyword-only *daemon* argument sets the process :attr:`daemon` flag + to ``True`` or ``False``. If ``None`` (the default), this flag will be + inherited from the creating process. By default, no arguments are passed to *target*. @@ -352,11 +350,14 @@ The :mod:`multiprocessing` package mostly replicates the API of the .. attribute:: name - The process's name. + The process's name. The name is a string used for identification purposes + only. It has no semantics. Multiple processes may be given the same + name. - The name is a string used for identification purposes only. It has no - semantics. Multiple processes may be given the same name. The initial - name is set by the constructor. + The initial name is set by the constructor. If no explicit name is + provided to the constructor, a name of the form + 'Process-N\ :sub:`1`:N\ :sub:`2`:...:N\ :sub:`k`' is constructed, where + each N\ :sub:`k` is the N-th child of its parent. .. method:: is_alive @@ -462,6 +463,9 @@ The :mod:`multiprocessing` package mostly replicates the API of the >>> p.exitcode == -signal.SIGTERM True +.. exception:: ProcessError + + The base class of all :mod:`multiprocessing` exceptions. .. exception:: BufferTooShort @@ -471,6 +475,13 @@ The :mod:`multiprocessing` package mostly replicates the API of the If ``e`` is an instance of :exc:`BufferTooShort` then ``e.args[0]`` will give the message as a byte string. +.. exception:: AuthenticationError + + Raised when there is an authentication error. + +.. exception:: TimeoutError + + Raised by methods with a timeout when the timeout expires. Pipes and Queues ~~~~~~~~~~~~~~~~ @@ -1838,15 +1849,15 @@ multiple connections at the same time. If the reply matches the digest of the message using *authkey* as the key then a welcome message is sent to the other end of the connection. Otherwise - :exc:`AuthenticationError` is raised. + :exc:`~multiprocessing.AuthenticationError` is raised. .. function:: answerChallenge(connection, authkey) Receive a message, calculate the digest of the message using *authkey* as the key, and then send the digest back. - If a welcome message is not received, then :exc:`AuthenticationError` is - raised. + If a welcome message is not received, then + :exc:`~multiprocessing.AuthenticationError` is raised. .. function:: Client(address[, family[, authenticate[, authkey]]]) @@ -1860,7 +1871,8 @@ multiple connections at the same time. If *authenticate* is ``True`` or *authkey* is a string then digest authentication is used. The key used for authentication will be either *authkey* or ``current_process().authkey)`` if *authkey* is ``None``. - If authentication fails then :exc:`AuthenticationError` is raised. See + If authentication fails then + :exc:`~multiprocessing.AuthenticationError` is raised. See :ref:`multiprocessing-auth-keys`. .. class:: Listener([address[, family[, backlog[, authenticate[, authkey]]]]]) @@ -1901,13 +1913,15 @@ multiple connections at the same time. ``current_process().authkey`` is used as the authentication key. If *authkey* is ``None`` and *authenticate* is ``False`` then no authentication is done. If authentication fails then - :exc:`AuthenticationError` is raised. See :ref:`multiprocessing-auth-keys`. + :exc:`~multiprocessing.AuthenticationError` is raised. + See :ref:`multiprocessing-auth-keys`. .. method:: accept() Accept a connection on the bound socket or named pipe of the listener object and return a :class:`Connection` object. If authentication is - attempted and fails, then :exc:`AuthenticationError` is raised. + attempted and fails, then + :exc:`~multiprocessing.AuthenticationError` is raised. .. method:: close() @@ -1965,12 +1979,6 @@ multiple connections at the same time. .. versionadded:: 3.3 -The module defines two exceptions: - -.. exception:: AuthenticationError - - Exception raised when there is an authentication error. - **Examples** |