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gh-137514: Add a free-threading wrapper for mutexes (GH-137515)

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Add `FT_MUTEX_LOCK`/`FT_MUTEX_UNLOCK`, which call `PyMutex_Lock` and `PyMutex_Unlock` on the free-threaded build, and no-op otherwise.
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Peter Bierma 2025-08-07 11:24:50 -04:00 • committed by GitHub
parent dec624e0af
commit 082f370cdd
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GPG key ID: B5690EEEBB952194
9 changed files with 44 additions and 88 deletions
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8
Python/pystate.c
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@ -1689,9 +1689,7 @@ PyThreadState_Clear(PyThreadState *tstate)
"PyThreadState_Clear: warning: thread still has a generator\n");
}
#ifdef Py_GIL_DISABLED
PyMutex_Lock(&_PyRuntime.ceval.sys_trace_profile_mutex);
#endif
FT_MUTEX_LOCK(&_PyRuntime.ceval.sys_trace_profile_mutex);
if (tstate->c_profilefunc != NULL) {
tstate->interp->sys_profiling_threads--;
@ -1702,9 +1700,7 @@ PyThreadState_Clear(PyThreadState *tstate)
tstate->c_tracefunc = NULL;
}
#ifdef Py_GIL_DISABLED
PyMutex_Unlock(&_PyRuntime.ceval.sys_trace_profile_mutex);
#endif
FT_MUTEX_UNLOCK(&_PyRuntime.ceval.sys_trace_profile_mutex);
Py_CLEAR(tstate->c_profileobj);
Py_CLEAR(tstate->c_traceobj);