[Python-checkins] r71022 - in python/trunk: Misc/NEWS Modules/_multiprocessing/multiprocessing.h
jesse.noller
python-checkins at python.org
Thu Apr 2 04:32:55 CEST 2009
Author: jesse.noller
Date: Thu Apr 2 04:32:55 2009
New Revision: 71022
Log:
Issue 3110: Additional protection for SEM_VALUE_MAX on platforms, thanks to Martin Loewis
Modified:
python/trunk/Misc/NEWS
python/trunk/Modules/_multiprocessing/multiprocessing.h
Modified: python/trunk/Misc/NEWS
==============================================================================
--- python/trunk/Misc/NEWS (original)
+++ python/trunk/Misc/NEWS Thu Apr 2 04:32:55 2009
@@ -202,6 +202,8 @@
Library
-------
+- Issue #3110: Add additional protect around SEM_VALUE_MAX for multiprocessing
+
- In Pdb, prevent the reassignment of __builtin__._ by sys.displayhook on
printing out values.
Modified: python/trunk/Modules/_multiprocessing/multiprocessing.h
==============================================================================
--- python/trunk/Modules/_multiprocessing/multiprocessing.h (original)
+++ python/trunk/Modules/_multiprocessing/multiprocessing.h Thu Apr 2 04:32:55 2009
@@ -45,13 +45,18 @@
* Issue 3110 - Solaris does not define SEM_VALUE_MAX
*/
#ifndef SEM_VALUE_MAX
-# ifdef _SEM_VALUE_MAX
-# define SEM_VALUE_MAX _SEM_VALUE_MAX
-# else
-# define SEM_VALUE_MAX INT_MAX
-# endif
+ #if defined(HAVE_SYSCONF) && defined(_SC_SEM_VALUE_MAX)
+ # define SEM_VALUE_MAX sysconf(_SC_SEM_VALUE_MAX)
+ #elif defined(_SEM_VALUE_MAX)
+ # define SEM_VALUE_MAX _SEM_VALUE_MAX
+ #elif definef(_POSIX_SEM_VALUE_MAX)
+ # define SEM_VALUE_MAX _POSIX_SEM_VALUE_MAX
+ #else
+ # define SEM_VALUE_MAX INT_MAX
+ #endif
#endif
+
/*
* Make sure Py_ssize_t available
*/
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