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54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/*-------------------------------------------------------------------------
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* injection_point.h
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* Definitions related to injection points.
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*
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* Copyright (c) 2001-2025, PostgreSQL Global Development Group
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*
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* src/include/utils/injection_point.h
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*-------------------------------------------------------------------------
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*/
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#ifndef INJECTION_POINT_H
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#define INJECTION_POINT_H
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/*
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* Injection points require --enable-injection-points.
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*/
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#ifdef USE_INJECTION_POINTS
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#define INJECTION_POINT_LOAD(name) InjectionPointLoad(name)
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#define INJECTION_POINT(name) InjectionPointRun(name)
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#define INJECTION_POINT_CACHED(name) InjectionPointCached(name)
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#define IS_INJECTION_POINT_ATTACHED(name) IsInjectionPointAttached(name)
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#else
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#define INJECTION_POINT_LOAD(name) ((void) name)
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#define INJECTION_POINT(name) ((void) name)
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#define INJECTION_POINT_CACHED(name) ((void) name)
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#define IS_INJECTION_POINT_ATTACHED(name) (false)
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#endif
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/*
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* Typedef for callback function launched by an injection point.
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*/
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typedef void (*InjectionPointCallback) (const char *name,
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const void *private_data);
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extern Size InjectionPointShmemSize(void);
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extern void InjectionPointShmemInit(void);
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extern void InjectionPointAttach(const char *name,
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const char *library,
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const char *function,
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const void *private_data,
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int private_data_size);
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extern void InjectionPointLoad(const char *name);
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extern void InjectionPointRun(const char *name);
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extern void InjectionPointCached(const char *name);
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extern bool IsInjectionPointAttached(const char *name);
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extern bool InjectionPointDetach(const char *name);
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#ifdef EXEC_BACKEND
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extern PGDLLIMPORT struct InjectionPointsCtl *ActiveInjectionPoints;
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#endif
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#endif /* INJECTION_POINT_H */
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