diff options
author | Antoine Pitrou <solipsis@pitrou.net> | 2014-11-21 02:04:21 +0100 |
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committer | Antoine Pitrou <solipsis@pitrou.net> | 2014-11-21 02:04:21 +0100 |
commit | 1c98a20a9d35dc378004bf7c54ca0cfae04eab6c (patch) | |
tree | 5da9f953d0ffa8d1d2ae31e7c718c528bd92335e /Python | |
parent | 14f28b80cd0f835f58fe0ef6f9529ce55633cb84 (diff) | |
download | cpython-1c98a20a9d35dc378004bf7c54ca0cfae04eab6c.tar.gz |
Issue #21963: backout issue #1856 patch (avoid crashes and lockups when
daemon threads run while the interpreter is shutting down; instead,
these threads are now killed when they try to take the GIL), as it seems
to break some existing code.
Diffstat (limited to 'Python')
-rw-r--r-- | Python/ceval.c | 12 | ||||
-rw-r--r-- | Python/pythonrun.c | 9 | ||||
-rw-r--r-- | Python/thread_pthread.h | 4 |
3 files changed, 3 insertions, 22 deletions
diff --git a/Python/ceval.c b/Python/ceval.c index dad5e1cdc9..682a1e7e48 100644 --- a/Python/ceval.c +++ b/Python/ceval.c @@ -355,12 +355,6 @@ PyEval_RestoreThread(PyThreadState *tstate) if (interpreter_lock) { int err = errno; PyThread_acquire_lock(interpreter_lock, 1); - /* _Py_Finalizing is protected by the GIL */ - if (_Py_Finalizing && tstate != _Py_Finalizing) { - PyThread_release_lock(interpreter_lock); - PyThread_exit_thread(); - assert(0); /* unreachable */ - } errno = err; } #endif @@ -1025,12 +1019,6 @@ PyEval_EvalFrameEx(PyFrameObject *f, int throwflag) PyThread_acquire_lock(interpreter_lock, 1); - /* Check if we should make a quick exit. */ - if (_Py_Finalizing && _Py_Finalizing != tstate) { - PyThread_release_lock(interpreter_lock); - PyThread_exit_thread(); - } - if (PyThreadState_Swap(tstate) != NULL) Py_FatalError("ceval: orphan tstate"); diff --git a/Python/pythonrun.c b/Python/pythonrun.c index 05bb62b64a..ade5efee0c 100644 --- a/Python/pythonrun.c +++ b/Python/pythonrun.c @@ -91,8 +91,6 @@ int _Py_QnewFlag = 0; int Py_NoUserSiteDirectory = 0; /* for -s and site.py */ int Py_HashRandomizationFlag = 0; /* for -R and PYTHONHASHSEED */ -PyThreadState *_Py_Finalizing = NULL; - /* Hack to force loading of object files */ int (*_PyOS_mystrnicmp_hack)(const char *, const char *, Py_ssize_t) = \ @@ -165,7 +163,6 @@ Py_InitializeEx(int install_sigs) if (initialized) return; initialized = 1; - _Py_Finalizing = NULL; if ((p = Py_GETENV("PYTHONDEBUG")) && *p != '\0') Py_DebugFlag = add_flag(Py_DebugFlag, p); @@ -425,16 +422,12 @@ Py_Finalize(void) * the threads created via Threading. */ call_sys_exitfunc(); + initialized = 0; /* Get current thread state and interpreter pointer */ tstate = PyThreadState_GET(); interp = tstate->interp; - /* Remaining threads (e.g. daemon threads) will automatically exit - after taking the GIL (in PyEval_RestoreThread()). */ - _Py_Finalizing = tstate; - initialized = 0; - /* Disable signal handling */ PyOS_FiniInterrupts(); diff --git a/Python/thread_pthread.h b/Python/thread_pthread.h index 0c1fdfea2a..c9ed796cd0 100644 --- a/Python/thread_pthread.h +++ b/Python/thread_pthread.h @@ -242,9 +242,9 @@ void PyThread_exit_thread(void) { dprintf(("PyThread_exit_thread called\n")); - if (!initialized) + if (!initialized) { exit(0); - pthread_exit(0); + } } #ifdef USE_SEMAPHORES |