Merged revisions 70908,70939,71009,71022,71036 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

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  r70908 | jesse.noller | 2009-03-31 17:20:35 -0500 (Tue, 31 Mar 2009) | 1 line

  Issue 5619: Pass MS CRT debug flags into subprocesses
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  r70939 | jesse.noller | 2009-03-31 22:45:50 -0500 (Tue, 31 Mar 2009) | 1 line

  Fix multiprocessing.event to match the new threading.Event API
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  r71009 | jesse.noller | 2009-04-01 19:03:28 -0500 (Wed, 01 Apr 2009) | 1 line

  issue5545: Switch to Autoconf for multiprocessing; special thanks to Martin Lowis for help
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  r71022 | jesse.noller | 2009-04-01 21:32:55 -0500 (Wed, 01 Apr 2009) | 1 line

  Issue 3110: Additional protection for SEM_VALUE_MAX on platforms, thanks to Martin Loewis
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  r71036 | jesse.noller | 2009-04-01 23:22:09 -0500 (Wed, 01 Apr 2009) | 1 line

  Issue 3551: Raise ValueError if the size causes ERROR_NO_SYSTEM_RESOURCES
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1 files changed, 11 insertions, 2 deletions

diff --git a/Doc/library/multiprocessing.rst b/Doc/library/multiprocessing.rst
index 7e828b6..3dfa2cc 100644
--- a/Doc/library/multiprocessing.rst
+++ b/Doc/library/multiprocessing.rst
@@ -708,7 +708,8 @@ Connection objects usually created using :func:`Pipe` -- see also
       Send an object to the other end of the connection which should be read
       using :meth:`recv`.
 
-      The object must be picklable.
+      The object must be picklable.  Very large pickles (approximately 32 MB+,
+      though it depends on the OS) may raise a ValueError exception.
 
    .. method:: recv()
 
@@ -740,7 +741,9 @@ Connection objects usually created using :func:`Pipe` -- see also
       complete message.
 
       If *offset* is given then data is read from that position in *buffer*.  If
-      *size* is given then that many bytes will be read from buffer.
+      *size* is given then that many bytes will be read from buffer.  Very large
+      buffers (approximately 32 MB+, though it depends on the OS) may raise a
+      ValueError exception
 
    .. method:: recv_bytes([maxlength])
 
@@ -834,6 +837,12 @@ object -- see :ref:`multiprocessing-managers`.
 .. class:: Event()
 
    A clone of :class:`threading.Event`.
+   This method returns the state of the internal semaphore on exit, so it
+   will always return ``True`` except if a timeout is given and the operation
+   times out.
+
+   .. versionchanged:: 2.7
+      Previously, the method always returned ``None``.
 
 .. class:: Lock()