PostgreSQL Source Code: src/include/utils/guc_hooks.h Source File

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guc_hooks.h
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1/*-------------------------------------------------------------------------
2 *
3 * guc_hooks.h
4 * Declarations of per-variable callback functions used by GUC.
5 *
6 * These functions are scattered throughout the system, but we
7 * declare them all here to avoid having to propagate guc.h into
8 * a lot of unrelated header files.
9 *
10 * Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
11 *
12 * src/include/utils/guc_hooks.h
13 *
14 *-------------------------------------------------------------------------
15 */
16#ifndef GUC_HOOKS_H
17#define GUC_HOOKS_H 1
18
19#include "utils/guc.h"
20
21/*
22 * See guc.h for the typedefs that these hook functions should match
23 * (GucBoolCheckHook and so on).
24 *
25 * Please keep the declarations in order by GUC variable name.
26 */
27
28extern bool check_application_name(char **newval, void **extra,
29 GucSource source);
30extern void assign_application_name(const char *newval, void *extra);
31extern const char *show_archive_command(void);
32extern bool check_autovacuum_work_mem(int *newval, void **extra,
33 GucSource source);
34extern bool check_vacuum_buffer_usage_limit(int *newval, void **extra,
35 GucSource source);
36extern bool check_backtrace_functions(char **newval, void **extra,
37 GucSource source);
38extern void assign_backtrace_functions(const char *newval, void *extra);
39extern bool check_bonjour(bool *newval, void **extra, GucSource source);
40extern bool check_canonical_path(char **newval, void **extra, GucSource source);
41extern void assign_checkpoint_completion_target(double newval, void *extra);
42extern bool check_client_connection_check_interval(int *newval, void **extra,
43 GucSource source);
44extern bool check_client_encoding(char **newval, void **extra, GucSource source);
45extern void assign_client_encoding(const char *newval, void *extra);
46extern bool check_cluster_name(char **newval, void **extra, GucSource source);
47extern bool check_commit_ts_buffers(int *newval, void **extra,
48 GucSource source);
49extern const char *show_data_directory_mode(void);
50extern bool check_datestyle(char **newval, void **extra, GucSource source);
51extern void assign_datestyle(const char *newval, void *extra);
52extern bool check_debug_io_direct(char **newval, void **extra, GucSource source);
53extern void assign_debug_io_direct(const char *newval, void *extra);
54extern bool check_log_connections(char **newval, void **extra, GucSource source);
55extern void assign_log_connections(const char *newval, void *extra);
56extern bool check_default_table_access_method(char **newval, void **extra,
57 GucSource source);
58extern bool check_default_tablespace(char **newval, void **extra,
59 GucSource source);
60extern bool check_default_text_search_config(char **newval, void **extra, GucSource source);
61extern void assign_default_text_search_config(const char *newval, void *extra);
62extern bool check_default_with_oids(bool *newval, void **extra,
63 GucSource source);
64extern bool check_huge_page_size(int *newval, void **extra, GucSource source);
65extern void assign_io_method(int newval, void *extra);
66extern bool check_io_max_concurrency(int *newval, void **extra, GucSource source);
67extern const char *show_in_hot_standby(void);
68extern bool check_locale_messages(char **newval, void **extra, GucSource source);
69extern void assign_locale_messages(const char *newval, void *extra);
70extern bool check_locale_monetary(char **newval, void **extra, GucSource source);
71extern void assign_locale_monetary(const char *newval, void *extra);
72extern bool check_locale_numeric(char **newval, void **extra, GucSource source);
73extern void assign_locale_numeric(const char *newval, void *extra);
74extern bool check_locale_time(char **newval, void **extra, GucSource source);
75extern void assign_locale_time(const char *newval, void *extra);
76extern bool check_log_destination(char **newval, void **extra,
77 GucSource source);
78extern void assign_log_destination(const char *newval, void *extra);
79extern const char *show_log_file_mode(void);
80extern bool check_log_stats(bool *newval, void **extra, GucSource source);
81extern bool check_log_timezone(char **newval, void **extra, GucSource source);
82extern void assign_log_timezone(const char *newval, void *extra);
83extern const char *show_log_timezone(void);
84extern void assign_maintenance_io_concurrency(int newval, void *extra);
85extern void assign_io_max_combine_limit(int newval, void *extra);
86extern void assign_io_combine_limit(int newval, void *extra);
87extern void assign_max_wal_size(int newval, void *extra);
88extern bool check_max_stack_depth(int *newval, void **extra, GucSource source);
89extern void assign_max_stack_depth(int newval, void *extra);
90extern bool check_multixact_member_buffers(int *newval, void **extra,
91 GucSource source);
92extern bool check_multixact_offset_buffers(int *newval, void **extra,
93 GucSource source);
94extern bool check_notify_buffers(int *newval, void **extra, GucSource source);
95extern bool check_primary_slot_name(char **newval, void **extra,
96 GucSource source);
97extern bool check_random_seed(double *newval, void **extra, GucSource source);
98extern void assign_random_seed(double newval, void *extra);
99extern const char *show_random_seed(void);
100extern bool check_recovery_prefetch(int *new_value, void **extra,
101 GucSource source);
102extern void assign_recovery_prefetch(int new_value, void *extra);
103extern bool check_recovery_target(char **newval, void **extra,
104 GucSource source);
105extern void assign_recovery_target(const char *newval, void *extra);
106extern bool check_recovery_target_lsn(char **newval, void **extra,
107 GucSource source);
108extern void assign_recovery_target_lsn(const char *newval, void *extra);
109extern bool check_recovery_target_name(char **newval, void **extra,
110 GucSource source);
111extern void assign_recovery_target_name(const char *newval, void *extra);
112extern bool check_recovery_target_time(char **newval, void **extra,
113 GucSource source);
114extern void assign_recovery_target_time(const char *newval, void *extra);
115extern bool check_recovery_target_timeline(char **newval, void **extra,
116 GucSource source);
117extern void assign_recovery_target_timeline(const char *newval, void *extra);
118extern bool check_recovery_target_xid(char **newval, void **extra,
119 GucSource source);
120extern void assign_recovery_target_xid(const char *newval, void *extra);
121extern bool check_role(char **newval, void **extra, GucSource source);
122extern void assign_role(const char *newval, void *extra);
123extern const char *show_role(void);
124extern bool check_restrict_nonsystem_relation_kind(char **newval, void **extra,
125 GucSource source);
126extern void assign_restrict_nonsystem_relation_kind(const char *newval, void *extra);
127extern bool check_search_path(char **newval, void **extra, GucSource source);
128extern void assign_search_path(const char *newval, void *extra);
129extern bool check_serial_buffers(int *newval, void **extra, GucSource source);
130extern bool check_session_authorization(char **newval, void **extra, GucSource source);
131extern void assign_session_authorization(const char *newval, void *extra);
132extern void assign_session_replication_role(int newval, void *extra);
133extern void assign_stats_fetch_consistency(int newval, void *extra);
134extern bool check_ssl(bool *newval, void **extra, GucSource source);
135extern bool check_stage_log_stats(bool *newval, void **extra, GucSource source);
136extern bool check_subtrans_buffers(int *newval, void **extra,
137 GucSource source);
138extern bool check_synchronous_standby_names(char **newval, void **extra,
139 GucSource source);
140extern void assign_synchronous_standby_names(const char *newval, void *extra);
141extern void assign_synchronous_commit(int newval, void *extra);
142extern void assign_syslog_facility(int newval, void *extra);
143extern void assign_syslog_ident(const char *newval, void *extra);
144extern void assign_tcp_keepalives_count(int newval, void *extra);
145extern const char *show_tcp_keepalives_count(void);
146extern void assign_tcp_keepalives_idle(int newval, void *extra);
147extern const char *show_tcp_keepalives_idle(void);
148extern void assign_tcp_keepalives_interval(int newval, void *extra);
149extern const char *show_tcp_keepalives_interval(void);
150extern void assign_tcp_user_timeout(int newval, void *extra);
151extern const char *show_tcp_user_timeout(void);
152extern bool check_temp_buffers(int *newval, void **extra, GucSource source);
153extern bool check_temp_tablespaces(char **newval, void **extra,
154 GucSource source);
155extern void assign_temp_tablespaces(const char *newval, void *extra);
156extern bool check_timezone(char **newval, void **extra, GucSource source);
157extern void assign_timezone(const char *newval, void *extra);
158extern const char *show_timezone(void);
159extern bool check_timezone_abbreviations(char **newval, void **extra,
160 GucSource source);
161extern void assign_timezone_abbreviations(const char *newval, void *extra);
162extern bool check_transaction_buffers(int *newval, void **extra, GucSource source);
163extern bool check_transaction_deferrable(bool *newval, void **extra, GucSource source);
164extern bool check_transaction_isolation(int *newval, void **extra, GucSource source);
165extern bool check_transaction_read_only(bool *newval, void **extra, GucSource source);
166extern void assign_transaction_timeout(int newval, void *extra);
167extern const char *show_unix_socket_permissions(void);
168extern bool check_wal_buffers(int *newval, void **extra, GucSource source);
169extern bool check_wal_consistency_checking(char **newval, void **extra,
170 GucSource source);
171extern void assign_wal_consistency_checking(const char *newval, void *extra);
172extern bool check_wal_segment_size(int *newval, void **extra, GucSource source);
173extern void assign_wal_sync_method(int new_wal_sync_method, void *extra);
174extern bool check_synchronized_standby_slots(char **newval, void **extra,
175 GucSource source);
176extern void assign_synchronized_standby_slots(const char *newval, void *extra);
177
178#endif /* GUC_HOOKS_H */
#define newval
GucSource
Definition: guc.h:112
void assign_wal_sync_method(int new_wal_sync_method, void *extra)
Definition: xlog.c:8697
void assign_application_name(const char *newval, void *extra)
Definition: variable.c:1108
void assign_syslog_facility(int newval, void *extra)
Definition: elog.c:2350
bool check_primary_slot_name(char **newval, void **extra, GucSource source)
Definition: xlogrecovery.c:4762
bool check_bonjour(bool *newval, void **extra, GucSource source)
Definition: variable.c:1221
void assign_transaction_timeout(int newval, void *extra)
Definition: postgres.c:3599
void assign_io_combine_limit(int newval, void *extra)
Definition: variable.c:1169
void assign_recovery_target_xid(const char *newval, void *extra)
Definition: xlogrecovery.c:5073
void assign_tcp_keepalives_count(int newval, void *extra)
Definition: pqcomm.c:2010
bool check_subtrans_buffers(int *newval, void **extra, GucSource source)
Definition: subtrans.c:253
void assign_syslog_ident(const char *newval, void *extra)
Definition: elog.c:2318
bool check_recovery_target(char **newval, void **extra, GucSource source)
Definition: xlogrecovery.c:4802
void assign_restrict_nonsystem_relation_kind(const char *newval, void *extra)
Definition: postgres.c:3670
void assign_synchronized_standby_slots(const char *newval, void *extra)
Definition: slot.c:2857
void assign_session_authorization(const char *newval, void *extra)
Definition: variable.c:912
const char * show_tcp_keepalives_interval(void)
Definition: pqcomm.c:1997
bool check_transaction_deferrable(bool *newval, void **extra, GucSource source)
Definition: variable.c:624
bool check_canonical_path(char **newval, void **extra, GucSource source)
Definition: variable.c:1059
bool check_log_connections(char **newval, void **extra, GucSource source)
void assign_synchronous_commit(int newval, void *extra)
Definition: syncrep.c:1123
void assign_wal_consistency_checking(const char *newval, void *extra)
Definition: xlog.c:4799
bool check_transaction_isolation(int *newval, void **extra, GucSource source)
Definition: variable.c:586
bool check_default_with_oids(bool *newval, void **extra, GucSource source)
Definition: variable.c:1234
bool check_recovery_target_timeline(char **newval, void **extra, GucSource source)
Definition: xlogrecovery.c:4988
void assign_synchronous_standby_names(const char *newval, void *extra)
Definition: syncrep.c:1117
void assign_timezone_abbreviations(const char *newval, void *extra)
Definition: variable.c:519
const char * show_tcp_keepalives_count(void)
Definition: pqcomm.c:2020
bool check_max_stack_depth(int *newval, void **extra, GucSource source)
Definition: stack_depth.c:142
bool check_application_name(char **newval, void **extra, GucSource source)
Definition: variable.c:1080
void assign_search_path(const char *newval, void *extra)
Definition: namespace.c:4783
void assign_timezone(const char *newval, void *extra)
Definition: variable.c:381
void assign_locale_time(const char *newval, void *extra)
Definition: pg_locale.c:363
bool check_default_text_search_config(char **newval, void **extra, GucSource source)
Definition: ts_cache.c:604
bool check_role(char **newval, void **extra, GucSource source)
Definition: variable.c:933
void assign_debug_io_direct(const char *newval, void *extra)
Definition: fd.c:4091
bool check_cluster_name(char **newval, void **extra, GucSource source)
Definition: variable.c:1118
bool check_locale_time(char **newval, void **extra, GucSource source)
Definition: pg_locale.c:357
void assign_checkpoint_completion_target(double newval, void *extra)
Definition: xlog.c:2207
const char * show_random_seed(void)
Definition: variable.c:677
void assign_recovery_target(const char *newval, void *extra)
Definition: xlogrecovery.c:4816
bool check_default_table_access_method(char **newval, void **extra, GucSource source)
Definition: tableamapi.c:102
void assign_io_method(int newval, void *extra)
Definition: aio.c:1319
void assign_backtrace_functions(const char *newval, void *extra)
Definition: elog.c:2236
bool check_log_stats(bool *newval, void **extra, GucSource source)
Definition: postgres.c:3584
bool check_default_tablespace(char **newval, void **extra, GucSource source)
Definition: tablespace.c:1091
const char * show_archive_command(void)
Definition: xlog.c:4852
void assign_io_max_combine_limit(int newval, void *extra)
Definition: variable.c:1164
bool check_vacuum_buffer_usage_limit(int *newval, void **extra, GucSource source)
Definition: vacuum.c:138
bool check_autovacuum_work_mem(int *newval, void **extra, GucSource source)
Definition: autovacuum.c:3443
bool check_backtrace_functions(char **newval, void **extra, GucSource source)
Definition: elog.c:2175
bool check_temp_buffers(int *newval, void **extra, GucSource source)
Definition: localbuf.c:875
bool check_session_authorization(char **newval, void **extra, GucSource source)
Definition: variable.c:815
const char * show_tcp_keepalives_idle(void)
Definition: pqcomm.c:1974
const char * show_log_file_mode(void)
Definition: variable.c:1194
bool check_transaction_read_only(bool *newval, void **extra, GucSource source)
Definition: variable.c:546
const char * show_in_hot_standby(void)
Definition: xlog.c:4864
bool check_huge_page_size(int *newval, void **extra, GucSource source)
Definition: sysv_shmem.c:578
void assign_stats_fetch_consistency(int newval, void *extra)
Definition: pgstat.c:2067
bool check_synchronized_standby_slots(char **newval, void **extra, GucSource source)
Definition: slot.c:2801
void assign_maintenance_io_concurrency(int newval, void *extra)
Definition: variable.c:1146
bool check_commit_ts_buffers(int *newval, void **extra, GucSource source)
Definition: commit_ts.c:582
bool check_log_destination(char **newval, void **extra, GucSource source)
Definition: elog.c:2245
bool check_transaction_buffers(int *newval, void **extra, GucSource source)
Definition: clog.c:819
void assign_max_wal_size(int newval, void *extra)
Definition: xlog.c:2200
bool check_timezone_abbreviations(char **newval, void **extra, GucSource source)
Definition: variable.c:487
void assign_recovery_target_name(const char *newval, void *extra)
Definition: xlogrecovery.c:4892
bool check_locale_numeric(char **newval, void **extra, GucSource source)
Definition: pg_locale.c:345
const char * show_log_timezone(void)
Definition: variable.c:465
void assign_temp_tablespaces(const char *newval, void *extra)
Definition: tablespace.c:1306
void assign_recovery_target_time(const char *newval, void *extra)
Definition: xlogrecovery.c:4972
bool check_recovery_target_xid(char **newval, void **extra, GucSource source)
Definition: xlogrecovery.c:5048
void assign_locale_numeric(const char *newval, void *extra)
Definition: pg_locale.c:351
void assign_client_encoding(const char *newval, void *extra)
Definition: variable.c:786
bool check_recovery_target_time(char **newval, void **extra, GucSource source)
Definition: xlogrecovery.c:4917
bool check_locale_messages(char **newval, void **extra, GucSource source)
Definition: pg_locale.c:379
void assign_role(const char *newval, void *extra)
Definition: variable.c:1026
void assign_tcp_keepalives_idle(int newval, void *extra)
Definition: pqcomm.c:1954
bool check_timezone(char **newval, void **extra, GucSource source)
Definition: variable.c:261
bool check_ssl(bool *newval, void **extra, GucSource source)
Definition: variable.c:1249
void assign_datestyle(const char *newval, void *extra)
Definition: variable.c:244
void assign_random_seed(double newval, void *extra)
Definition: variable.c:668
void assign_recovery_prefetch(int new_value, void *extra)
void assign_max_stack_depth(int newval, void *extra)
Definition: stack_depth.c:159
const char * show_role(void)
Definition: variable.c:1034
bool check_log_timezone(char **newval, void **extra, GucSource source)
Definition: variable.c:418
void assign_locale_messages(const char *newval, void *extra)
Definition: pg_locale.c:402
bool check_temp_tablespaces(char **newval, void **extra, GucSource source)
Definition: tablespace.c:1198
const char * show_tcp_user_timeout(void)
Definition: pqcomm.c:2043
bool check_random_seed(double *newval, void **extra, GucSource source)
Definition: variable.c:656
void assign_default_text_search_config(const char *newval, void *extra)
Definition: ts_cache.c:672
void assign_recovery_target_lsn(const char *newval, void *extra)
Definition: xlogrecovery.c:4857
bool check_recovery_target_lsn(char **newval, void **extra, GucSource source)
Definition: xlogrecovery.c:4832
bool check_wal_segment_size(int *newval, void **extra, GucSource source)
Definition: xlog.c:2214
void assign_tcp_user_timeout(int newval, void *extra)
Definition: pqcomm.c:2033
const char * show_unix_socket_permissions(void)
Definition: variable.c:1206
void assign_session_replication_role(int newval, void *extra)
Definition: trigger.c:6666
const char * show_timezone(void)
Definition: variable.c:392
bool check_client_connection_check_interval(int *newval, void **extra, GucSource source)
Definition: postgres.c:3549
void assign_log_connections(const char *newval, void *extra)
bool check_wal_consistency_checking(char **newval, void **extra, GucSource source)
Definition: xlog.c:4712
bool check_serial_buffers(int *newval, void **extra, GucSource source)
Definition: predicate.c:847
bool check_datestyle(char **newval, void **extra, GucSource source)
Definition: variable.c:52
bool check_search_path(char **newval, void **extra, GucSource source)
Definition: namespace.c:4727
bool check_client_encoding(char **newval, void **extra, GucSource source)
Definition: variable.c:688
bool check_synchronous_standby_names(char **newval, void **extra, GucSource source)
Definition: syncrep.c:1058
bool check_wal_buffers(int *newval, void **extra, GucSource source)
Definition: xlog.c:4677
bool check_restrict_nonsystem_relation_kind(char **newval, void **extra, GucSource source)
Definition: postgres.c:3618
bool check_recovery_target_name(char **newval, void **extra, GucSource source)
Definition: xlogrecovery.c:4876
void assign_tcp_keepalives_interval(int newval, void *extra)
Definition: pqcomm.c:1987
void assign_locale_monetary(const char *newval, void *extra)
Definition: pg_locale.c:339
bool check_multixact_offset_buffers(int *newval, void **extra, GucSource source)
Definition: multixact.c:2005
void assign_recovery_target_timeline(const char *newval, void *extra)
Definition: xlogrecovery.c:5035
bool check_recovery_prefetch(int *new_value, void **extra, GucSource source)
const char * show_data_directory_mode(void)
Definition: variable.c:1182
void assign_log_timezone(const char *newval, void *extra)
Definition: variable.c:456
bool check_multixact_member_buffers(int *newval, void **extra, GucSource source)
Definition: multixact.c:2014
bool check_io_max_concurrency(int *newval, void **extra, GucSource source)
Definition: aio.c:1328
bool check_debug_io_direct(char **newval, void **extra, GucSource source)
Definition: fd.c:4004
bool check_notify_buffers(int *newval, void **extra, GucSource source)
Definition: async.c:2394
bool check_locale_monetary(char **newval, void **extra, GucSource source)
Definition: pg_locale.c:333
void assign_log_destination(const char *newval, void *extra)
Definition: elog.c:2309
bool check_stage_log_stats(bool *newval, void **extra, GucSource source)
Definition: postgres.c:3570
static rewind_source * source
Definition: pg_rewind.c:89

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