diff options
Diffstat (limited to 'Python')
| -rw-r--r-- | Python/pystate.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/Python/pystate.c b/Python/pystate.c index 65219eb..b347c41 100644 --- a/Python/pystate.c +++ b/Python/pystate.c @@ -586,6 +586,23 @@ _PyGILState_Fini(void) autoInterpreterState = NULL; } +/* Reset the TLS key - called by PyOS_AfterFork. + * This should not be necessary, but some - buggy - pthread implementations + * don't flush TLS on fork, see issue #10517. + */ +void +_PyGILState_Reinit(void) +{ + PyThreadState *tstate = PyGILState_GetThisThreadState(); + PyThread_delete_key(autoTLSkey); + if ((autoTLSkey = PyThread_create_key()) == -1) + Py_FatalError("Could not allocate TLS entry"); + + /* re-associate the current thread state with the new key */ + if (PyThread_set_key_value(autoTLSkey, (void *)tstate) < 0) + Py_FatalError("Couldn't create autoTLSkey mapping"); +} + /* When a thread state is created for a thread by some mechanism other than PyGILState_Ensure, it's important that the GILState machinery knows about it so it doesn't try to create another thread state for the thread (this is |