injection_point.h

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/*-------------------------------------------------------------------------
 * injection_point.h
 *    Definitions related to injection points.
 *
 * Copyright (c) 2001-2024, PostgreSQL Global Development Group
 *
 * src/include/utils/injection_point.h
 *-------------------------------------------------------------------------
 */
 
#ifndef INJECTION_POINT_H
#define INJECTION_POINT_H
 
/*
 * Injections points require --enable-injection-points.
 */
#ifdef USE_INJECTION_POINTS
#define INJECTION_POINT(name) InjectionPointRun(name)
#else
#define INJECTION_POINT(name) ((void) name)
#endif
 
/*
 * Typedef for callback function launched by an injection point.
 */
typedef void (*InjectionPointCallback) (const char *name);
 
extern Size InjectionPointShmemSize(void);
extern void InjectionPointShmemInit(void);
 
extern void InjectionPointAttach(const char *name,
                                 const char *library,
                                 const char *function);
extern void InjectionPointRun(const char *name);
extern void InjectionPointDetach(const char *name);
 
#endif                          /* INJECTION_POINT_H */