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* [2.7] bpo-33622: Fix issues with handling errors in the GC. (GH-7078) (#7096)Serhiy Storchaka2018-05-241-6/+6
| | | | | | | | * Fixed a leak when the GC fails to add an object with __del__ into the gc.garbage list. * PyGC_Collect() can now be called when an exception is set and preserves it. (cherry picked from commit 301e3cc8a5bc68c5347ab6ac6f83428000d31ab2)
* bpo-33583: Add note in PyObject_GC_Resize() doc (GH-7021)Miss Islington (bot)2018-05-211-0/+1
| | | | | (cherry picked from commit 1179f4b40f375af5c59cd4b6be9cc313fa0e1a37) Co-authored-by: INADA Naoki <methane@users.noreply.github.com>
* remove trailing spaces.Gregory P. Smith2013-12-181-7/+7
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* Issue #14775: Fix a potential quadratic dict build-up due to the garbage ↵Antoine Pitrou2012-05-281-3/+57
| | | | | | collector repeatedly trying to untrack dicts. Additional comments by Tim Silk.
* Untabify C files. Will watch buildbots.Antoine Pitrou2010-05-091-881/+881
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* Issue #4687: Fix accuracy of garbage collection runtimes displayed withAntoine Pitrou2010-05-021-1/+1
| | | | gc.DEBUG_STATS.
* Fix a typo in commentAmaury Forgeot d'Arc2009-12-271-2/+2
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* Issue #4688: Add a heuristic so that tuples and dicts containing onlyAntoine Pitrou2009-03-231-1/+29
| | | | | | | | | untrackable objects are not tracked by the garbage collector. This can reduce the size of collections and therefore the garbage collection overhead on long-running programs, depending on their particular use of datatypes. (trivia: this makes the "binary_trees" benchmark from the Computer Language Shootout 40% faster)
* fix building the core with --disable-unicodeBenjamin Peterson2009-01-251-0/+2
| | | | | I changed some bytearray methods to use strings instead of unicode like bytes_repr Also, bytearray.fromhex() can take strings as well as unicode
* Issue #4074: Change the criteria for doing a full garbage collection (i.e.Antoine Pitrou2009-01-091-1/+65
| | | | | | collecting the oldest generation) so that allocating lots of objects without destroying them does not show quadratic performance. Based on a proposal by Martin von Löwis at http://mail.python.org/pipermail/python-dev/2008-June/080579.html.
* Issue #2467: gc.DEBUG_STATS reports invalid elapsed times.Antoine Pitrou2008-12-171-23/+26
| | | | Patch by Neil Schemenauer, very slightly modified.
* Security patches from Apple: prevent int overflow when allocating memoryNeal Norwitz2008-07-311-1/+6
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* - Issue #2862: Make int and float freelist management consistent with otherGregory P. Smith2008-07-061-0/+2
| | | | | freelists. Changes their CompactFreeList apis into ClearFreeList apis and calls them via gc.collect().
* This reverts r63675 based on the discussion in this thread:Gregory P. Smith2008-06-091-4/+4
| | | | | | | http://mail.python.org/pipermail/python-dev/2008-June/079988.html Python 2.6 should stick with PyString_* in its codebase. The PyBytes_* names in the spirit of 3.0 are available via a #define only. See the email thread.
* Renamed PyString to PyBytesChristian Heimes2008-05-261-4/+4
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* Implemented Martin's suggestion to clear the free lists during the garbage ↵Christian Heimes2008-02-141-0/+22
| | | | collection of the highest generation.
* Modified PyImport_Import and PyImport_ImportModule to always use absolute ↵Christian Heimes2008-01-031-1/+1
| | | | | | imports by calling __import__ with an explicit level of 0 Added a new API function PyImport_ImportModuleNoBlock. It solves the problem with dead locks when mixing threads and imports
* #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and ↵Christian Heimes2007-12-191-11/+11
| | | | Py_REFCNT. Macros for b/w compatibility are available.
* PEP 3123: Provide forward compatibility with Python 3.0, while keepingMartin v. Löwis2007-07-211-11/+11
| | | | | backwards compatibility. Add Py_Refcnt, Py_Type, Py_Size, and PyVarObject_HEAD_INIT.
* List gc.get_count() in the module docstring.Barry Warsaw2006-10-091-0/+1
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* Replace PyObject_CallFunction calls with only object argsGeorg Brandl2006-05-251-1/+1
| | | | with PyObject_CallFunctionObjArgs, which is 30% faster.
* Patch from Aldo Cortesi (OpenBSD buildbot owner).Neal Norwitz2006-04-261-7/+14
| | | | | | | | | | After the patch (45590) to add extra debug stats to the gc module, Python was crashing on OpenBSD due to: Fatal Python error: Interpreter not initialized (version mismatch?) This seems to occur due to calling collect() when initialized (in pythonrun.c) is set to 0. Now, the import will occur in the init function which shouldn't suffer this problem.
* This is a long-ago patch I submitted to SF (1100924) to time the gc passes.Skip Montanaro2006-04-211-0/+29
| | | | | Barry approved it awhile ago. Been sitting in my sandbox for awhile as well.
* Some more changes to make code compile under a C++ compiler.Anthony Baxter2006-04-111-2/+3
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* SF Patch #1463867: Improved generator finalization to allow generatorsPhillip J. Eby2006-04-101-1/+5
| | | | | | | | that are suspended outside of any try/except/finally blocks to be garbage collected even if they are part of a cycle. Generators that suspend inside of an active try/except or try/finally block (including those created by a ``with`` statement) are still not GC-able if they are part of a cycle, however.
* Handle ssize_tNeal Norwitz2006-04-061-2/+2
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* In format strings slinging Py_ssize_t, unconditionallyTim Peters2006-03-281-22/+9
| | | | | interpolate PY_FORMAT_SIZE_T instead of #if'ing on MS_WIN64.
* Fix some missing checks after PyTuple_New, PyList_New, PyDict_NewGeorg Brandl2006-03-171-0/+2
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* SF patch #1443865; gc.get_count() added and optional argument 'generation'Barry Warsaw2006-03-071-5/+34
| | | | | | added to gc.collect(). Updated docs, unit test, and NEWS entry. (Also, fixed a typo in NEWS.)
* Fix warnings on x86 (32-bit) and support Win64.Neal Norwitz2006-03-061-2/+15
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* Make PyGC_Collect() use Py_ssize_t.Neal Norwitz2006-03-041-11/+11
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* Change GC refcount to Py_ssize_t.Martin v. Löwis2006-03-011-1/+1
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* Change _PyObject_GC_Resize to expect Py_ssize_t.Martin v. Löwis2006-02-161-1/+1
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* Merge ssize_t branch.Martin v. Löwis2006-02-151-1/+1
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* Check return result from Py_InitModule*(). This API can fail.Neal Norwitz2006-01-191-0/+2
| | | | Probably should be backported.
* PEP 342 implementation. Per Guido's comments, the generator throw()Phillip J. Eby2005-08-021-3/+1
| | | | | method still needs to support string exceptions, and allow None for the third argument. Documentation updates are needed, too.
* Add missing INCREF.Neil Schemenauer2005-06-181-0/+1
| | | | Backport candidate.
* gc_list_move(): Make this truly equivalent to remove+append. WhileTim Peters2004-11-011-3/+5
| | | | | | nothing in gc currently cares, the original coding could screw up if, e.g., you tried to move a node to the list it's already in, and the node was already the last in its list.
* gc list function cleanup.Tim Peters2004-11-011-15/+31
| | | | | | | | | | | Introduced gc_list_move(), which captures the common gc_list_remove() + gc_list_append() sequence. In fact, no uses of gc_list_append() remained (they were all in a gc_list_move() sequence), so commented that one out. gc_list_merge(): assert that `from` != `to`; that was an implicit precondition, now verified in a debug build. Others: added comments about their purpose.
* handle_weakrefs(): Simplification -- there's no need to make a secondTim Peters2004-10-311-58/+28
| | | | pass over the unreachable weakrefs-with-callbacks to unreachable objects.
* SF 1055820: weakref callback vs gc vs threadsTim Peters2004-10-301-106/+183
| | | | | | | | In cyclic gc, clear weakrefs to unreachable objects before allowing any Python code (weakref callbacks or __del__ methods) to run. This is a critical bugfix, affecting all versions of Python since weakrefs were introduced. I'll backport to 2.3.
* Convert return value to boolean.Raymond Hettinger2004-01-041-1/+1
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* Silence GCC warning when asserts are turned off.Guido van Rossum2003-11-241-2/+1
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* SF bug 839548: Bug in type's GC handling causes segfaults.Tim Peters2003-11-201-13/+129
| | | | | | | | Also SF patch 843455. This is a critical bugfix. I'll backport to 2.3 maint, but not beyond that. The bugs this fixes have been there since weakrefs were introduced.
* update_refs(): assert that incoming refcounts aren't 0. The commentTim Peters2003-11-141-0/+19
| | | | | | | | for this function has always claimed that was true, but it wasn't verified before. For the latest batch of "double deallocation" bugs (stemming from weakref callbacks invoked by way of subtype_dealloc), this assert would have triggered (instead of waiting for _Py_ForgetReference to die with a segfault later).
* Bug #794140: cygwin builds do not embedJason Tishler2003-09-041-1/+1
| | | | | | The embed2.diff patch solves the user's problem by exporting the missing symbols from the Python core so Python can be embedded in another Cygwin application (well, at lest vim).
* - New C API PyGC_Collect(), same as calling gc.collect().Guido van Rossum2003-04-171-1/+19
| | | | | - Call this in Py_Finalize(). - Expand the Misc/NEWS text on PY_LONG_LONG.
* s/referrents/referents/g. Gotta love that referrers remains rife with rs.Tim Peters2003-04-081-8/+8
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* Finished implementing gc.get_referrents(): dealt with error and endTim Peters2003-04-081-6/+15
| | | | cases, wrote docs, added a test.
* Comment repair; no semantic changes.Tim Peters2003-04-071-4/+5
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