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allendowney
GitHub Repository: allendowney/cpython
 Path: blob/main/Include/pydtrace.h
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/* Static DTrace probes interface */

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#ifndef Py_DTRACE_H

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#define Py_DTRACE_H

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#ifdef __cplusplus

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extern "C" {

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#endif

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#ifdef WITH_DTRACE

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#include "pydtrace_probes.h"

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/* pydtrace_probes.h, on systems with DTrace, is auto-generated to include

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   `PyDTrace_{PROBE}` and `PyDTrace_{PROBE}_ENABLED()` macros for every probe

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   defined in pydtrace.d.

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   Calling these functions must be guarded by a `PyDTrace_{PROBE}_ENABLED()`

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   check to minimize performance impact when probing is off. For example:

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       if (PyDTrace_FUNCTION_ENTRY_ENABLED())

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           PyDTrace_FUNCTION_ENTRY(f);

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*/

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#else

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/* Without DTrace, compile to nothing. */

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static inline void PyDTrace_LINE(const char *arg0, const char *arg1, int arg2) {}

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static inline void PyDTrace_FUNCTION_ENTRY(const char *arg0, const char *arg1, int arg2)  {}

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static inline void PyDTrace_FUNCTION_RETURN(const char *arg0, const char *arg1, int arg2) {}

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static inline void PyDTrace_GC_START(int arg0) {}

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static inline void PyDTrace_GC_DONE(Py_ssize_t arg0) {}

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static inline void PyDTrace_INSTANCE_NEW_START(int arg0) {}

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static inline void PyDTrace_INSTANCE_NEW_DONE(int arg0) {}

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static inline void PyDTrace_INSTANCE_DELETE_START(int arg0) {}

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static inline void PyDTrace_INSTANCE_DELETE_DONE(int arg0) {}

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static inline void PyDTrace_IMPORT_FIND_LOAD_START(const char *arg0) {}

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static inline void PyDTrace_IMPORT_FIND_LOAD_DONE(const char *arg0, int arg1) {}

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static inline void PyDTrace_AUDIT(const char *arg0, void *arg1) {}

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static inline int PyDTrace_LINE_ENABLED(void) { return 0; }

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static inline int PyDTrace_FUNCTION_ENTRY_ENABLED(void) { return 0; }

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static inline int PyDTrace_FUNCTION_RETURN_ENABLED(void) { return 0; }

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static inline int PyDTrace_GC_START_ENABLED(void) { return 0; }

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static inline int PyDTrace_GC_DONE_ENABLED(void) { return 0; }

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static inline int PyDTrace_INSTANCE_NEW_START_ENABLED(void) { return 0; }

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static inline int PyDTrace_INSTANCE_NEW_DONE_ENABLED(void) { return 0; }

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static inline int PyDTrace_INSTANCE_DELETE_START_ENABLED(void) { return 0; }

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static inline int PyDTrace_INSTANCE_DELETE_DONE_ENABLED(void) { return 0; }

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static inline int PyDTrace_IMPORT_FIND_LOAD_START_ENABLED(void) { return 0; }

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static inline int PyDTrace_IMPORT_FIND_LOAD_DONE_ENABLED(void) { return 0; }

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static inline int PyDTrace_AUDIT_ENABLED(void) { return 0; }

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#endif /* !WITH_DTRACE */

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#ifdef __cplusplus

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}

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#endif

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#endif /* !Py_DTRACE_H */

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