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jpayne@69
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1 /* Static DTrace probes interface */
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2
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3 #ifndef Py_DTRACE_H
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4 #define Py_DTRACE_H
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5 #ifdef __cplusplus
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6 extern "C" {
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7 #endif
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8
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9 #ifdef WITH_DTRACE
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10
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11 #include "pydtrace_probes.h"
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12
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13 /* pydtrace_probes.h, on systems with DTrace, is auto-generated to include
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14 `PyDTrace_{PROBE}` and `PyDTrace_{PROBE}_ENABLED()` macros for every probe
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15 defined in pydtrace_provider.d.
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16
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17 Calling these functions must be guarded by a `PyDTrace_{PROBE}_ENABLED()`
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18 check to minimize performance impact when probing is off. For example:
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19
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20 if (PyDTrace_FUNCTION_ENTRY_ENABLED())
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21 PyDTrace_FUNCTION_ENTRY(f);
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22 */
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23
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24 #else
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25
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26 /* Without DTrace, compile to nothing. */
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27
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28 static inline void PyDTrace_LINE(const char *arg0, const char *arg1, int arg2) {}
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29 static inline void PyDTrace_FUNCTION_ENTRY(const char *arg0, const char *arg1, int arg2) {}
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30 static inline void PyDTrace_FUNCTION_RETURN(const char *arg0, const char *arg1, int arg2) {}
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31 static inline void PyDTrace_GC_START(int arg0) {}
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32 static inline void PyDTrace_GC_DONE(Py_ssize_t arg0) {}
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33 static inline void PyDTrace_INSTANCE_NEW_START(int arg0) {}
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34 static inline void PyDTrace_INSTANCE_NEW_DONE(int arg0) {}
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35 static inline void PyDTrace_INSTANCE_DELETE_START(int arg0) {}
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36 static inline void PyDTrace_INSTANCE_DELETE_DONE(int arg0) {}
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37 static inline void PyDTrace_IMPORT_FIND_LOAD_START(const char *arg0) {}
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38 static inline void PyDTrace_IMPORT_FIND_LOAD_DONE(const char *arg0, int arg1) {}
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39 static inline void PyDTrace_AUDIT(const char *arg0, void *arg1) {}
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40
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41 static inline int PyDTrace_LINE_ENABLED(void) { return 0; }
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42 static inline int PyDTrace_FUNCTION_ENTRY_ENABLED(void) { return 0; }
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43 static inline int PyDTrace_FUNCTION_RETURN_ENABLED(void) { return 0; }
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44 static inline int PyDTrace_GC_START_ENABLED(void) { return 0; }
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45 static inline int PyDTrace_GC_DONE_ENABLED(void) { return 0; }
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46 static inline int PyDTrace_INSTANCE_NEW_START_ENABLED(void) { return 0; }
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47 static inline int PyDTrace_INSTANCE_NEW_DONE_ENABLED(void) { return 0; }
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48 static inline int PyDTrace_INSTANCE_DELETE_START_ENABLED(void) { return 0; }
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49 static inline int PyDTrace_INSTANCE_DELETE_DONE_ENABLED(void) { return 0; }
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50 static inline int PyDTrace_IMPORT_FIND_LOAD_START_ENABLED(void) { return 0; }
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51 static inline int PyDTrace_IMPORT_FIND_LOAD_DONE_ENABLED(void) { return 0; }
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52 static inline int PyDTrace_AUDIT_ENABLED(void) { return 0; }
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53
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54 #endif /* !WITH_DTRACE */
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55
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56 #ifdef __cplusplus
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57 }
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58 #endif
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59 #endif /* !Py_DTRACE_H */
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