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gh-115035: Mark ThreadHandles as non-joinable earlier after forking (#115042)

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This marks dead ThreadHandles as non-joinable earlier in
`PyOS_AfterFork_Child()` before we execute any Python code. The handles
are stored in a global linked list in `_PyRuntimeState` because `fork()`
affects the entire process.
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Sam Gross 2024-02-06 14:45:04 -05:00 • committed by GitHub
parent 71239d50b5
commit b6228b521b
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7 changed files with 50 additions and 41 deletions
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Include/internal/pycore_runtime_init.h
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@ -16,6 +16,7 @@ extern "C" {
#include "pycore_parser.h" // _parser_runtime_state_INIT
#include "pycore_pyhash.h" // pyhash_state_INIT
#include "pycore_pymem_init.h" // _pymem_allocators_standard_INIT
#include "pycore_pythread.h" // _pythread_RUNTIME_INIT
#include "pycore_runtime_init_generated.h" // _Py_bytes_characters_INIT
#include "pycore_signal.h" // _signals_RUNTIME_INIT
#include "pycore_tracemalloc.h" // _tracemalloc_runtime_state_INIT
@ -90,6 +91,7 @@ extern PyTypeObject _PyExc_MemoryError;
}, \
.obmalloc = _obmalloc_global_state_INIT, \
.pyhash_state = pyhash_state_INIT, \
.threads = _pythread_RUNTIME_INIT(runtime.threads), \
.signals = _signals_RUNTIME_INIT, \
.interpreters = { \
/* This prevents interpreters from getting created \