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