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/*
* compat.h
* Definitions for function wrappers compatible between PG versions.
*
* Copyright (c) 2015-2025, Postgres Professional
*
* IDENTIFICATION
* contrib/pg_wait_sampling/compat.h
*/
#ifndef __COMPAT_H__
#define __COMPAT_H__
#include "miscadmin.h"
#include "storage/shm_mq.h"
static inline shm_mq_result
shm_mq_send_compat(shm_mq_handle *mqh, Size nbytes, const void *data,
bool nowait, bool force_flush)
{
#if PG_VERSION_NUM >= 150000
return shm_mq_send(mqh, nbytes, data, nowait, force_flush);
#else
return shm_mq_send(mqh, nbytes, data, nowait);
#endif
}
#if PG_VERSION_NUM < 170000
#define INIT_PG_LOAD_SESSION_LIBS 0x0001
#define INIT_PG_OVERRIDE_ALLOW_CONNS 0x0002
#endif
static inline void
InitPostgresCompat(const char *in_dbname, Oid dboid,
const char *username, Oid useroid,
bits32 flags,
char *out_dbname)
{
#if PG_VERSION_NUM >= 170000
InitPostgres(in_dbname, dboid, username, useroid, flags, out_dbname);
#elif PG_VERSION_NUM >= 150000
InitPostgres(in_dbname, dboid, username, useroid,
flags & INIT_PG_LOAD_SESSION_LIBS,
flags & INIT_PG_OVERRIDE_ALLOW_CONNS, out_dbname);
#else
InitPostgres(in_dbname, dboid, username, useroid, out_dbname,
flags & INIT_PG_OVERRIDE_ALLOW_CONNS);
#endif
}
#endif
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