*tstate*, which should not be *NULL*. The lock must have been created earlier.
If this thread already has the lock, deadlock ensues.
+ :c:func:`PyEval_RestoreThread` is a higher-level function which is always
+ available (even when thread support isn't enabled or when threads have
+ not been initialized).
+
.. c:function:: void PyEval_ReleaseThread(PyThreadState *tstate)
that it represents the current thread state --- if it isn't, a fatal error is
reported.
+ :c:func:`PyEval_SaveThread` is a higher-level function which is always
+ available (even when thread support isn't enabled or when threads have
+ not been initialized).
+
.. c:function:: void PyEval_AcquireLock()
Acquire the global interpreter lock. The lock must have been created earlier.
If this thread already has the lock, a deadlock ensues.
+ .. deprecated:: 3.2
+ This function does not change the current thread state. Please use
+ :c:func:`PyEval_RestoreThread` or :c:func:`PyEval_AcquireThread`
+ instead.
+
.. c:function:: void PyEval_ReleaseLock()
Release the global interpreter lock. The lock must have been created earlier.
+ .. deprecated:: 3.2
+ This function does not change the current thread state. Please use
+ :c:func:`PyEval_SaveThread` or :c:func:`PyEval_ReleaseThread`
+ instead.
+
Sub-interpreter support
=======================
C-API
-----
+- Issue #10913: Deprecate misleading functions PyEval_AcquireLock() and
+ PyEval_ReleaseLock(). The thread-state aware APIs should be used instead.
+
- Issue #10333: Remove ancient GC API, which has been deprecated since
Python 2.2.