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backend_startup.h
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1/*-------------------------------------------------------------------------
2 *
3 * backend_startup.h
4 * prototypes for backend_startup.c.
5 *
6 *
7 * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
8 * Portions Copyright (c) 1994, Regents of the University of California
9 *
10 * src/include/tcop/backend_startup.h
11 *
12 *-------------------------------------------------------------------------
13 */
14#ifndef BACKEND_STARTUP_H
15#define BACKEND_STARTUP_H
16
17/* GUCs */
19
20/*
21 * CAC_state is passed from postmaster to the backend process, to indicate
22 * whether the connection should be accepted, or if the process should just
23 * send an error to the client and close the connection. Note that the
24 * connection can fail for various reasons even if postmaster passed CAC_OK.
25 */
26typedef enum CAC_state
27{
35
36/* Information passed from postmaster to backend process in 'startup_data' */
37typedef struct BackendStartupData
38{
41
42extern void BackendMain(char *startup_data, size_t startup_data_len) pg_attribute_noreturn();
43
44#endif /* BACKEND_STARTUP_H */
struct BackendStartupData BackendStartupData
void BackendMain(char *startup_data, size_t startup_data_len) pg_attribute_noreturn()
CAC_state
@ CAC_TOOMANY
@ CAC_OK
@ CAC_RECOVERY
@ CAC_NOTCONSISTENT
@ CAC_STARTUP
@ CAC_SHUTDOWN
PGDLLIMPORT bool Trace_connection_negotiation
#define PGDLLIMPORT
Definition: c.h:1274
#define pg_attribute_noreturn()
Definition: c.h:236
CAC_state canAcceptConnections