Mercurial > cpython-lru_cache-weakref
diff Python/ceval.c @ 6365:21b93d98926b legacy-trunk
Change PyEval_SaveThread() and PyEval_RestoreThread() to always do the
tstate swapping. Only the acquiring and releasing of the lock is
conditional (twice, under ``#ifdef WITH_THREAD'' and inside ``if
(interpreter_lock)'').
| author | Guido van Rossum <guido@python.org> |
|---|---|
| date | Tue, 30 Sep 1997 22:03:16 +0000 |
| parents | 4279f4eb210a |
| children | 67a2afcdd21c |
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--- a/Python/ceval.c Tue Sep 30 22:00:13 1997 +0000 +++ b/Python/ceval.c Tue Sep 30 22:03:16 1997 +0000 @@ -171,33 +171,30 @@ PyThreadState * PyEval_SaveThread() { + PyThreadState *tstate = PyThreadState_Swap(NULL); + if (tstate == NULL) + Py_FatalError("PyEval_SaveThread: NULL tstate"); #ifdef WITH_THREAD - if (interpreter_lock) { - PyThreadState *tstate = PyThreadState_Swap(NULL); - if (tstate == NULL) - Py_FatalError("PyEval_SaveThread: NULL tstate"); + if (interpreter_lock) release_lock(interpreter_lock); - return tstate; - } #endif - return NULL; + return tstate; } void PyEval_RestoreThread(tstate) PyThreadState *tstate; { + if (tstate == NULL) + Py_FatalError("PyEval_RestoreThread: NULL tstate"); #ifdef WITH_THREAD if (interpreter_lock) { - int err; - err = errno; - if (tstate == NULL) - Py_FatalError("PyEval_RestoreThread: NULL tstate"); + int err = errno; acquire_lock(interpreter_lock, 1); - PyThreadState_Swap(tstate); errno = err; } #endif + PyThreadState_Swap(tstate); }