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Merged revisions 73818 via svnmerge from 

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

........
  r73818 | gregory.p.smith | 2009-07-03 13:48:31 -0700 (Fri, 03 Jul 2009) | 2 lines

  Adds the select.PIPE_BUF attribute to expose the system constant.
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This commit is contained in:
Gregory P. Smith 2009-07-04 02:28:47 +00:00
parent 05bf01aeae
commit b970b86975
2 changed files with 11 additions and 0 deletions
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9
Doc/library/select.rst
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@ -94,6 +94,15 @@ The module defines the following:
library, and does not handle file descriptors that don't originate from
WinSock.
.. attribute:: select.PIPE_BUF
Files reported as ready for writing by :func:`select`, :func:`poll` or
similar interfaces in this module are guaranteed to not block on a write
of up to :const:`PIPE_BUF` bytes.
This value is guaranteed by POSIX to be at least 512.
.. versionadded:: 2.7
.. _epoll-objects:

2
Modules/selectmodule.c
View File

@ -1764,6 +1764,8 @@ PyInit_select(void)
Py_INCREF(SelectError);
PyModule_AddObject(m, "error", SelectError);
PyModule_AddIntConstant(m, "PIPE_BUF", PIPE_BUF);
#if defined(HAVE_POLL)
#ifdef __APPLE__
if (select_have_broken_poll()) {