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bpo-38644: Add _PySys_Audit() which takes tstate (GH-19180)

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Add _PySys_Audit() function to the internal C API: similar to
PySys_Audit(), but requires a mandatory tstate parameter.

Cleanup sys_audit_tstate() code: remove code path for NULL tstate,
since the function exits at entry if tstate is NULL. Remove also code
path for NULL tstate->interp: should_audit() now ensures that it is
not NULL (even if tstate->interp cannot be NULL in practice).

PySys_AddAuditHook() now checks if tstate is not NULL to decide if
tstate can be used or not, and tstate is set to NULL if the runtime
is not initialized yet.

Use _PySys_Audit() in sysmodule.c.
This commit is contained in:
Victor Stinner 2020-03-26 18:57:32 +01:00 • committed by GitHub
parent e0b8101492
commit 08faf0016e
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7 changed files with 146 additions and 67 deletions
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5
Include/cpython/sysmodule.h
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@ -13,7 +13,10 @@ PyAPI_FUNC(size_t) _PySys_GetSizeOf(PyObject *);
typedef int(*Py_AuditHookFunction)(const char *, PyObject *, void *);
PyAPI_FUNC(int) PySys_Audit(const char*, const char *, ...);
PyAPI_FUNC(int) PySys_Audit(
const char *event,
const char *argFormat,
...);
PyAPI_FUNC(int) PySys_AddAuditHook(Py_AuditHookFunction, void*);
#ifdef __cplusplus

24
Include/internal/pycore_sysmodule.h Normal file
View file

@ -0,0 +1,24 @@
#ifndef Py_INTERNAL_SYSMODULE_H
#define Py_INTERNAL_SYSMODULE_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
PyAPI_FUNC(int) _PySys_Audit(
PyThreadState *tstate,
const char *event,
const char *argFormat,
...);
/* We want minimal exposure of this function, so use extern rather than
PyAPI_FUNC() to not export the symbol. */
extern void _PySys_ClearAuditHooks(PyThreadState *tstate);
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_SYSMODULE_H */