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[gh-117657] Fix some issues with TSAN in typeobject (#118249)

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Fix some racing reads in typebobject.c
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Dino Viehland 2024-04-30 12:37:38 -07:00 • committed by GitHub
parent b2c3b70c71
commit 19d468a3ab
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GPG key ID: B5690EEEBB952194
2 changed files with 19 additions and 6 deletions
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8
Include/internal/pycore_pyatomic_ft_wrappers.h
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@ -43,6 +43,8 @@ extern "C" {
_Py_atomic_load_uint8_relaxed(&value)
#define FT_ATOMIC_LOAD_UINT16_RELAXED(value) \
_Py_atomic_load_uint16_relaxed(&value)
#define FT_ATOMIC_LOAD_UINT32_RELAXED(value) \
_Py_atomic_load_uint32_relaxed(&value)
#define FT_ATOMIC_STORE_PTR_RELAXED(value, new_value) \
_Py_atomic_store_ptr_relaxed(&value, new_value)
#define FT_ATOMIC_STORE_PTR_RELEASE(value, new_value) \
@ -55,6 +57,9 @@ extern "C" {
_Py_atomic_store_uint8_relaxed(&value, new_value)
#define FT_ATOMIC_STORE_UINT16_RELAXED(value, new_value) \
_Py_atomic_store_uint16_relaxed(&value, new_value)
#define FT_ATOMIC_STORE_UINT32_RELAXED(value, new_value) \
_Py_atomic_store_uint32_relaxed(&value, new_value)
#else
#define FT_ATOMIC_LOAD_PTR(value) value
#define FT_ATOMIC_STORE_PTR(value, new_value) value = new_value
@ -69,12 +74,15 @@ extern "C" {
#define FT_ATOMIC_STORE_UINT8(value, new_value) value = new_value
#define FT_ATOMIC_LOAD_UINT8_RELAXED(value) value
#define FT_ATOMIC_LOAD_UINT16_RELAXED(value) value
#define FT_ATOMIC_LOAD_UINT32_RELAXED(value) value
#define FT_ATOMIC_STORE_PTR_RELAXED(value, new_value) value = new_value
#define FT_ATOMIC_STORE_PTR_RELEASE(value, new_value) value = new_value
#define FT_ATOMIC_STORE_UINTPTR_RELEASE(value, new_value) value = new_value
#define FT_ATOMIC_STORE_SSIZE_RELAXED(value, new_value) value = new_value
#define FT_ATOMIC_STORE_UINT8_RELAXED(value, new_value) value = new_value
#define FT_ATOMIC_STORE_UINT16_RELAXED(value, new_value) value = new_value
#define FT_ATOMIC_STORE_UINT32_RELAXED(value, new_value) value = new_value
#endif
#ifdef __cplusplus