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/* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup pygen
*
* This file contains wrapper functions related to global interpreter lock.
* these functions are slightly different from the original Python API,
* don't throw SIGABRT even if the thread state is NULL. */
#include <Python.h>
#include "../BPY_extern.h"
#include "BLI_utildefines.h"
BPy_ThreadStatePtr BPY_thread_save(void)
{
/* Use `_PyThreadState_UncheckedGet()` instead of `PyThreadState_Get()`, to avoid a fatal error
* issued when a thread state is NULL (the thread state can be NULL when quitting Blender).
*
* `PyEval_SaveThread()` will release the GIL, so this thread has to have the GIL to begin with
* or badness will ensue. */
if (_PyThreadState_UncheckedGet() && PyGILState_Check()) {
return (BPy_ThreadStatePtr)PyEval_SaveThread();
}
return NULL;
}
void BPY_thread_restore(BPy_ThreadStatePtr tstate)
{
if (tstate) {
PyEval_RestoreThread((PyThreadState *)tstate);
}
}
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