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https://github.com/python/cpython
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31 lines
993 B
C
31 lines
993 B
C
#include "Python.h"
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#include "pycore_pystate.h" // _PyFreeListState_GET()
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#include "pycore_tstate.h" // _PyThreadStateImpl
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#ifdef Py_GIL_DISABLED
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/* Clear all free lists
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* All free lists are cleared during the collection of the highest generation.
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* Allocated items in the free list may keep a pymalloc arena occupied.
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* Clearing the free lists may give back memory to the OS earlier.
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* Free-threading version: Since freelists are managed per thread,
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* GC should clear all freelists by traversing all threads.
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*/
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void
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_PyGC_ClearAllFreeLists(PyInterpreterState *interp)
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{
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_PyDict_ClearFreeList(interp);
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_PyAsyncGen_ClearFreeLists(interp);
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_PyContext_ClearFreeList(interp);
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HEAD_LOCK(&_PyRuntime);
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_PyThreadStateImpl *tstate = (_PyThreadStateImpl *)interp->threads.head;
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while (tstate != NULL) {
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_Py_ClearFreeLists(&tstate->freelist_state, 0);
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tstate = (_PyThreadStateImpl *)tstate->base.next;
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}
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HEAD_UNLOCK(&_PyRuntime);
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}
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#endif
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