Mercurial > cpython-lru_cache-weakref

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SF bug 1061968: threads: segfault or Py_FatalError at exit PyGILState_Ensure(): The fix in 2.4a3 for bug 1010677 reintroduced thread shutdown race bug 225673. Repaired by (once again) ensuring the GIL is held whenever deleting a thread state. Alas, there's no useful test case for this shy bug. Four years ago, only Guido could provoke it, on his box, and today only Armin can provoke it on his box. I've never been able to provoke it (but not for lack of trying!). This is a critical fix for 2.3.5 too, since the fix for 1010677 got backported there already and so also reintroduced 225673. I don't intend to backport this fix. For whoever (if anyone) does, there are other thread fixes in 2.4 that need backporting too, and I bet they need to happen first for this patch to apply cleanly.
author Tim Peters <tim.peters@gmail.com>
date Mon, 08 Nov 2004 04:30:21 +0000
parents cf5928fab108
children fd25030223b0 6482261b1092
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1
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2 /* Dummy frozen modules initializer */
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3
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4 #include "Python.h"
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6 /* In order to test the support for frozen modules, by default we
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7 define a single frozen module, __hello__. Loading it will print
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8 some famous words... */
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10 /* To regenerate this data after the bytecode or marshal format has changed,
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11 go to ../Tools/freeze/ and freeze the hello.py file; then copy and paste
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12 the appropriate bytes from M___main__.c. */
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14 static unsigned char M___hello__[] = {
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15 99,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,
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16 0,115,9,0,0,0,100,0,0,71,72,100,1,0,83,40,
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17 2,0,0,0,115,14,0,0,0,72,101,108,108,111,32,119,
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18 111,114,108,100,46,46,46,78,40,0,0,0,0,40,0,0,
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19 0,0,40,0,0,0,0,40,0,0,0,0,115,8,0,0,
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20 0,104,101,108,108,111,46,112,121,115,1,0,0,0,63,1,
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21 0,0,0,115,0,0,0,0,
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22 };
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24 #define SIZE (int)sizeof(M___hello__)
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26 static struct _frozen _PyImport_FrozenModules[] = {
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27 /* Test module */
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28 {"__hello__", M___hello__, SIZE},
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29 /* Test package (negative size indicates package-ness) */
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30 {"__phello__", M___hello__, -SIZE},
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31 {"__phello__.spam", M___hello__, SIZE},
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32 {0, 0, 0} /* sentinel */
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33 };
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35 /* Embedding apps may change this pointer to point to their favorite
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36 collection of frozen modules: */
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38 struct _frozen *PyImport_FrozenModules = _PyImport_FrozenModules;