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Issue 3110: Additional protection for SEM_VALUE_MAX on platforms, thanks to Martin Loewis

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Jesse Noller 2009-04-02 02:32:55 +00:00
parent 569fc96f99
commit b502bc7a1a
2 changed files with 12 additions and 5 deletions
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2
Misc/NEWS
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@ -202,6 +202,8 @@ Core and Builtins
Library Library
------- -------
- Issue #3110: Add additional protect around SEM_VALUE_MAX for multiprocessing
- In Pdb, prevent the reassignment of __builtin__._ by sys.displayhook on - In Pdb, prevent the reassignment of __builtin__._ by sys.displayhook on
printing out values. printing out values.

15
Modules/_multiprocessing/multiprocessing.h
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@ -45,13 +45,18 @@
* Issue 3110 - Solaris does not define SEM_VALUE_MAX * Issue 3110 - Solaris does not define SEM_VALUE_MAX
*/ */
#ifndef SEM_VALUE_MAX #ifndef SEM_VALUE_MAX
# ifdef _SEM_VALUE_MAX #if defined(HAVE_SYSCONF) && defined(_SC_SEM_VALUE_MAX)
# define SEM_VALUE_MAX _SEM_VALUE_MAX # define SEM_VALUE_MAX sysconf(_SC_SEM_VALUE_MAX)
# else #elif defined(_SEM_VALUE_MAX)
# define SEM_VALUE_MAX INT_MAX # define SEM_VALUE_MAX _SEM_VALUE_MAX
# endif #elif definef(_POSIX_SEM_VALUE_MAX)
# define SEM_VALUE_MAX _POSIX_SEM_VALUE_MAX
#else
# define SEM_VALUE_MAX INT_MAX
#endif
#endif #endif
/* /*
* Make sure Py_ssize_t available * Make sure Py_ssize_t available
*/ */