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Issue #13992: The trashcan mechanism is now thread-safe. This eliminates

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sporadic crashes in multi-thread programs when several long deallocator
chains ran concurrently and involved subclasses of built-in container
types.

Note that the trashcan functions are part of the stable ABI, therefore
they have to be kept around for binary compatibility of extensions.
This commit is contained in:
Antoine Pitrou 2012-09-06 01:17:42 +02:00
commit 5b4faae307
7 changed files with 140 additions and 9 deletions
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3
Python/pystate.c
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@ -206,6 +206,9 @@ new_threadstate(PyInterpreterState *interp, int init)
tstate->c_profileobj = NULL;
tstate->c_traceobj = NULL;
tstate->trash_delete_nesting = 0;
tstate->trash_delete_later = NULL;
if (init)
_PyThreadState_Init(tstate);