diff options
Diffstat (limited to 'src/backend/utils/misc/guc.c')
| -rw-r--r-- | src/backend/utils/misc/guc.c | 535 |
1 files changed, 361 insertions, 174 deletions
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index c506e3147cd..ff57dc92bbe 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -4,7 +4,7 @@ * Support for grand unified configuration scheme, including SET * command, configuration file, and command line options. * - * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.55 2001/09/30 20:16:21 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.56 2001/10/25 05:49:51 momjian Exp $ * * Copyright 2000 by PostgreSQL Global Development Group * Written by Peter Eisentraut <peter_e@gmx.net>. @@ -95,11 +95,11 @@ bool Password_encryption = false; */ enum config_type { - PGC_NONE = 0, - PGC_BOOL, - PGC_INT, - PGC_REAL, - PGC_STRING + PGC_NONE = 0, + PGC_BOOL, + PGC_INT, + PGC_REAL, + PGC_STRING }; @@ -161,7 +161,7 @@ struct config_string const char *boot_default_val; bool (*parse_hook) (const char *proposed); void (*assign_hook) (const char *newval); - char *default_val; + char *default_val; }; @@ -192,92 +192,196 @@ struct config_string static struct config_bool ConfigureNamesBool[] = { - {"enable_seqscan", PGC_USERSET, &enable_seqscan, true, NULL}, - {"enable_indexscan", PGC_USERSET, &enable_indexscan, true, NULL}, - {"enable_tidscan", PGC_USERSET, &enable_tidscan, true, NULL}, - {"enable_sort", PGC_USERSET, &enable_sort, true, NULL}, - {"enable_nestloop", PGC_USERSET, &enable_nestloop, true, NULL}, - {"enable_mergejoin", PGC_USERSET, &enable_mergejoin, true, NULL}, - {"enable_hashjoin", PGC_USERSET, &enable_hashjoin, true, NULL}, - - {"ksqo", PGC_USERSET, &_use_keyset_query_optimizer, false, NULL}, - {"geqo", PGC_USERSET, &enable_geqo, true, NULL}, - - {"tcpip_socket", PGC_POSTMASTER, &NetServer, false, NULL}, - {"ssl", PGC_POSTMASTER, &EnableSSL, false, NULL}, - {"fsync", PGC_SIGHUP, &enableFsync, true, NULL}, - {"silent_mode", PGC_POSTMASTER, &SilentMode, false, NULL}, - - {"log_connections", PGC_BACKEND, &Log_connections, false, NULL}, - {"log_timestamp", PGC_SIGHUP, &Log_timestamp, false, NULL}, - {"log_pid", PGC_SIGHUP, &Log_pid, false, NULL}, + { + "enable_seqscan", PGC_USERSET, &enable_seqscan, true, NULL + } , + { + "enable_indexscan", PGC_USERSET, &enable_indexscan, true, NULL + }, + { + "enable_tidscan", PGC_USERSET, &enable_tidscan, true, NULL + }, + { + "enable_sort", PGC_USERSET, &enable_sort, true, NULL + }, + { + "enable_nestloop", PGC_USERSET, &enable_nestloop, true, NULL + }, + { + "enable_mergejoin", PGC_USERSET, &enable_mergejoin, true, NULL + }, + { + "enable_hashjoin", PGC_USERSET, &enable_hashjoin, true, NULL + }, + + { + "ksqo", PGC_USERSET, &_use_keyset_query_optimizer, false, NULL + }, + { + "geqo", PGC_USERSET, &enable_geqo, true, NULL + }, + + { + "tcpip_socket", PGC_POSTMASTER, &NetServer, false, NULL + }, + { + "ssl", PGC_POSTMASTER, &EnableSSL, false, NULL + }, + { + "fsync", PGC_SIGHUP, &enableFsync, true, NULL + }, + { + "silent_mode", PGC_POSTMASTER, &SilentMode, false, NULL + }, + + { + "log_connections", PGC_BACKEND, &Log_connections, false, NULL + }, + { + "log_timestamp", PGC_SIGHUP, &Log_timestamp, false, NULL + }, + { + "log_pid", PGC_SIGHUP, &Log_pid, false, NULL + }, #ifdef USE_ASSERT_CHECKING - {"debug_assertions", PGC_USERSET, &assert_enabled, true, NULL}, + { + "debug_assertions", PGC_USERSET, &assert_enabled, true, NULL + }, #endif - {"debug_print_query", PGC_USERSET, &Debug_print_query, false, NULL}, - {"debug_print_parse", PGC_USERSET, &Debug_print_parse, false, NULL}, - {"debug_print_rewritten", PGC_USERSET, &Debug_print_rewritten, false, NULL}, - {"debug_print_plan", PGC_USERSET, &Debug_print_plan, false, NULL}, - {"debug_pretty_print", PGC_USERSET, &Debug_pretty_print, false, NULL}, + { + "debug_print_query", PGC_USERSET, &Debug_print_query, false, NULL + }, + { + "debug_print_parse", PGC_USERSET, &Debug_print_parse, false, NULL + }, + { + "debug_print_rewritten", PGC_USERSET, &Debug_print_rewritten, false, NULL + }, + { + "debug_print_plan", PGC_USERSET, &Debug_print_plan, false, NULL + }, + { + "debug_pretty_print", PGC_USERSET, &Debug_pretty_print, false, NULL + }, - {"show_parser_stats", PGC_USERSET, &Show_parser_stats, false, NULL}, - {"show_planner_stats", PGC_USERSET, &Show_planner_stats, false, NULL}, - {"show_executor_stats", PGC_USERSET, &Show_executor_stats, false, NULL}, - {"show_query_stats", PGC_USERSET, &Show_query_stats, false, NULL}, + { + "show_parser_stats", PGC_USERSET, &Show_parser_stats, false, NULL + }, + { + "show_planner_stats", PGC_USERSET, &Show_planner_stats, false, NULL + }, + { + "show_executor_stats", PGC_USERSET, &Show_executor_stats, false, NULL + }, + { + "show_query_stats", PGC_USERSET, &Show_query_stats, false, NULL + }, #ifdef BTREE_BUILD_STATS - {"show_btree_build_stats", PGC_SUSET, &Show_btree_build_stats, false, NULL}, + { + "show_btree_build_stats", PGC_SUSET, &Show_btree_build_stats, false, NULL + }, #endif - {"stats_start_collector", PGC_POSTMASTER, &pgstat_collect_startcollector, true, NULL}, - {"stats_reset_on_server_start", PGC_POSTMASTER, &pgstat_collect_resetonpmstart, true, NULL}, - {"stats_command_string", PGC_SUSET, &pgstat_collect_querystring, false, NULL}, - {"stats_row_level", PGC_SUSET, &pgstat_collect_tuplelevel, false, NULL}, - {"stats_block_level", PGC_SUSET, &pgstat_collect_blocklevel, false, NULL}, + { + "stats_start_collector", PGC_POSTMASTER, &pgstat_collect_startcollector, true, NULL + }, + { + "stats_reset_on_server_start", PGC_POSTMASTER, &pgstat_collect_resetonpmstart, true, NULL + }, + { + "stats_command_string", PGC_SUSET, &pgstat_collect_querystring, false, NULL + }, + { + "stats_row_level", PGC_SUSET, &pgstat_collect_tuplelevel, false, NULL + }, + { + "stats_block_level", PGC_SUSET, &pgstat_collect_blocklevel, false, NULL + }, - {"trace_notify", PGC_USERSET, &Trace_notify, false, NULL}, + { + "trace_notify", PGC_USERSET, &Trace_notify, false, NULL + }, #ifdef LOCK_DEBUG - {"trace_locks", PGC_SUSET, &Trace_locks, false, NULL}, - {"trace_userlocks", PGC_SUSET, &Trace_userlocks, false, NULL}, - {"trace_lwlocks", PGC_SUSET, &Trace_lwlocks, false, NULL}, - {"debug_deadlocks", PGC_SUSET, &Debug_deadlocks, false, NULL}, + { + "trace_locks", PGC_SUSET, &Trace_locks, false, NULL + }, + { + "trace_userlocks", PGC_SUSET, &Trace_userlocks, false, NULL + }, + { + "trace_lwlocks", PGC_SUSET, &Trace_lwlocks, false, NULL + }, + { + "debug_deadlocks", PGC_SUSET, &Debug_deadlocks, false, NULL + }, #endif - {"hostname_lookup", PGC_SIGHUP, &HostnameLookup, false, NULL}, - {"show_source_port", PGC_SIGHUP, &ShowPortNumber, false, NULL}, + { + "hostname_lookup", PGC_SIGHUP, &HostnameLookup, false, NULL + }, + { + "show_source_port", PGC_SIGHUP, &ShowPortNumber, false, NULL + }, - {"sql_inheritance", PGC_USERSET, &SQL_inheritance, true, NULL}, - {"australian_timezones", PGC_USERSET, &Australian_timezones, false, ClearDateCache}, - {"fixbtree", PGC_POSTMASTER, &FixBTree, true, NULL}, - {"password_encryption", PGC_USERSET, &Password_encryption, false, NULL}, - {"transform_null_equals", PGC_USERSET, &Transform_null_equals, false, NULL}, + { + "sql_inheritance", PGC_USERSET, &SQL_inheritance, true, NULL + }, + { + "australian_timezones", PGC_USERSET, &Australian_timezones, false, ClearDateCache + }, + { + "fixbtree", PGC_POSTMASTER, &FixBTree, true, NULL + }, + { + "password_encryption", PGC_USERSET, &Password_encryption, false, NULL + }, + { + "transform_null_equals", PGC_USERSET, &Transform_null_equals, false, NULL + }, - {NULL, 0, NULL, false, NULL} + { + NULL, 0, NULL, false, NULL + } }; static struct config_int ConfigureNamesInt[] = { - {"geqo_threshold", PGC_USERSET, &geqo_rels, - DEFAULT_GEQO_RELS, 2, INT_MAX, NULL, NULL}, - {"geqo_pool_size", PGC_USERSET, &Geqo_pool_size, - DEFAULT_GEQO_POOL_SIZE, 0, MAX_GEQO_POOL_SIZE, NULL, NULL}, - {"geqo_effort", PGC_USERSET, &Geqo_effort, - 1, 1, INT_MAX, NULL, NULL}, - {"geqo_generations", PGC_USERSET, &Geqo_generations, - 0, 0, INT_MAX, NULL, NULL}, - {"geqo_random_seed", PGC_USERSET, &Geqo_random_seed, - -1, INT_MIN, INT_MAX, NULL, NULL}, - - {"deadlock_timeout", PGC_POSTMASTER, &DeadlockTimeout, - 1000, 0, INT_MAX, NULL, NULL}, + { + "geqo_threshold", PGC_USERSET, &geqo_rels, + DEFAULT_GEQO_RELS, 2, INT_MAX, NULL, NULL + } , + { + "geqo_pool_size", PGC_USERSET, &Geqo_pool_size, + DEFAULT_GEQO_POOL_SIZE, 0, MAX_GEQO_POOL_SIZE, NULL, NULL + }, + { + "geqo_effort", PGC_USERSET, &Geqo_effort, + 1, 1, INT_MAX, NULL, NULL + }, + { + "geqo_generations", PGC_USERSET, &Geqo_generations, + 0, 0, INT_MAX, NULL, NULL + }, + { + "geqo_random_seed", PGC_USERSET, &Geqo_random_seed, + -1, INT_MIN, INT_MAX, NULL, NULL + }, + + { + "deadlock_timeout", PGC_POSTMASTER, &DeadlockTimeout, + 1000, 0, INT_MAX, NULL, NULL + }, #ifdef ENABLE_SYSLOG - {"syslog", PGC_SIGHUP, &Use_syslog, - 0, 0, 2, NULL, NULL}, + { + "syslog", PGC_SIGHUP, &Use_syslog, + 0, 0, 2, NULL, NULL + }, #endif /* @@ -285,133 +389,215 @@ static struct config_int * sure the buffers are at least twice the number of backends, so the * constraints here are partially unused. */ - {"max_connections", PGC_POSTMASTER, &MaxBackends, - DEF_MAXBACKENDS, 1, INT_MAX, NULL, NULL}, + { + "max_connections", PGC_POSTMASTER, &MaxBackends, + DEF_MAXBACKENDS, 1, INT_MAX, NULL, NULL + }, - {"shared_buffers", PGC_POSTMASTER, &NBuffers, - DEF_NBUFFERS, 16, INT_MAX, NULL, NULL}, + { + "shared_buffers", PGC_POSTMASTER, &NBuffers, + DEF_NBUFFERS, 16, INT_MAX, NULL, NULL + }, - {"port", PGC_POSTMASTER, &PostPortNumber, - DEF_PGPORT, 1, 65535, NULL, NULL}, + { + "port", PGC_POSTMASTER, &PostPortNumber, + DEF_PGPORT, 1, 65535, NULL, NULL + }, - {"unix_socket_permissions", PGC_POSTMASTER, &Unix_socket_permissions, - 0777, 0000, 0777, NULL, NULL}, + { + "unix_socket_permissions", PGC_POSTMASTER, &Unix_socket_permissions, + 0777, 0000, 0777, NULL, NULL + }, - {"sort_mem", PGC_USERSET, &SortMem, - 512, 4*BLCKSZ/1024, INT_MAX, NULL, NULL}, + { + "sort_mem", PGC_USERSET, &SortMem, + 512, 4 * BLCKSZ / 1024, INT_MAX, NULL, NULL + }, - {"vacuum_mem", PGC_USERSET, &VacuumMem, - 8192, 1024, INT_MAX, NULL, NULL}, + { + "vacuum_mem", PGC_USERSET, &VacuumMem, + 8192, 1024, INT_MAX, NULL, NULL + }, - {"max_files_per_process", PGC_BACKEND, &max_files_per_process, - 1000, 25, INT_MAX, NULL, NULL}, + { + "max_files_per_process", PGC_BACKEND, &max_files_per_process, + 1000, 25, INT_MAX, NULL, NULL + }, - {"debug_level", PGC_USERSET, &DebugLvl, - 0, 0, 16, NULL, NULL}, + { + "debug_level", PGC_USERSET, &DebugLvl, + 0, 0, 16, NULL, NULL + }, #ifdef LOCK_DEBUG - {"trace_lock_oidmin", PGC_SUSET, &Trace_lock_oidmin, - BootstrapObjectIdData, 1, INT_MAX, NULL, NULL}, - {"trace_lock_table", PGC_SUSET, &Trace_lock_table, - 0, 0, INT_MAX, NULL, NULL}, + { + "trace_lock_oidmin", PGC_SUSET, &Trace_lock_oidmin, + BootstrapObjectIdData, 1, INT_MAX, NULL, NULL + }, + { + "trace_lock_table", PGC_SUSET, &Trace_lock_table, + 0, 0, INT_MAX, NULL, NULL + }, #endif - {"max_expr_depth", PGC_USERSET, &max_expr_depth, - DEFAULT_MAX_EXPR_DEPTH, 10, INT_MAX, NULL, NULL}, + { + "max_expr_depth", PGC_USERSET, &max_expr_depth, + DEFAULT_MAX_EXPR_DEPTH, 10, INT_MAX, NULL, NULL + }, - {"max_fsm_relations", PGC_POSTMASTER, &MaxFSMRelations, - 100, 10, INT_MAX, NULL, NULL}, - {"max_fsm_pages", PGC_POSTMASTER, &MaxFSMPages, - 10000, 1000, INT_MAX, NULL, NULL}, + { + "max_fsm_relations", PGC_POSTMASTER, &MaxFSMRelations, + 100, 10, INT_MAX, NULL, NULL + }, + { + "max_fsm_pages", PGC_POSTMASTER, &MaxFSMPages, + 10000, 1000, INT_MAX, NULL, NULL + }, - {"max_locks_per_transaction", PGC_POSTMASTER, &max_locks_per_xact, - 64, 10, INT_MAX, NULL, NULL}, + { + "max_locks_per_transaction", PGC_POSTMASTER, &max_locks_per_xact, + 64, 10, INT_MAX, NULL, NULL + }, - {"authentication_timeout", PGC_SIGHUP, &AuthenticationTimeout, - 60, 1, 600, NULL, NULL}, + { + "authentication_timeout", PGC_SIGHUP, &AuthenticationTimeout, + 60, 1, 600, NULL, NULL + }, - {"pre_auth_delay", PGC_SIGHUP, &PreAuthDelay, - 0, 0, 60, NULL, NULL}, + { + "pre_auth_delay", PGC_SIGHUP, &PreAuthDelay, + 0, 0, 60, NULL, NULL + }, - {"checkpoint_segments", PGC_SIGHUP, &CheckPointSegments, - 3, 1, INT_MAX, NULL, NULL}, + { + "checkpoint_segments", PGC_SIGHUP, &CheckPointSegments, + 3, 1, INT_MAX, NULL, NULL + }, - {"checkpoint_timeout", PGC_SIGHUP, &CheckPointTimeout, - 300, 30, 3600, NULL, NULL}, + { + "checkpoint_timeout", PGC_SIGHUP, &CheckPointTimeout, + 300, 30, 3600, NULL, NULL + }, - {"wal_buffers", PGC_POSTMASTER, &XLOGbuffers, - 8, 4, INT_MAX, NULL, NULL}, + { + "wal_buffers", PGC_POSTMASTER, &XLOGbuffers, + 8, 4, INT_MAX, NULL, NULL + }, - {"wal_files", PGC_SIGHUP, &XLOGfiles, - 0, 0, 64, NULL, NULL}, + { + "wal_files", PGC_SIGHUP, &XLOGfiles, + 0, 0, 64, NULL, NULL + }, - {"wal_debug", PGC_SUSET, &XLOG_DEBUG, - 0, 0, 16, NULL, NULL}, + { + "wal_debug", PGC_SUSET, &XLOG_DEBUG, + 0, 0, 16, NULL, NULL + }, - {"commit_delay", PGC_USERSET, &CommitDelay, - 0, 0, 100000, NULL, NULL}, + { + "commit_delay", PGC_USERSET, &CommitDelay, + 0, 0, 100000, NULL, NULL + }, - {"commit_siblings", PGC_USERSET, &CommitSiblings, - 5, 1, 1000, NULL, NULL}, + { + "commit_siblings", PGC_USERSET, &CommitSiblings, + 5, 1, 1000, NULL, NULL + }, - {NULL, 0, NULL, 0, 0, 0, NULL, NULL} + { + NULL, 0, NULL, 0, 0, 0, NULL, NULL + } }; static struct config_real ConfigureNamesReal[] = { - {"effective_cache_size", PGC_USERSET, &effective_cache_size, - DEFAULT_EFFECTIVE_CACHE_SIZE, 0, DBL_MAX, NULL, NULL}, - {"random_page_cost", PGC_USERSET, &random_page_cost, - DEFAULT_RANDOM_PAGE_COST, 0, DBL_MAX, NULL, NULL}, - {"cpu_tuple_cost", PGC_USERSET, &cpu_tuple_cost, - DEFAULT_CPU_TUPLE_COST, 0, DBL_MAX, NULL, NULL}, - {"cpu_index_tuple_cost", PGC_USERSET, &cpu_index_tuple_cost, - DEFAULT_CPU_INDEX_TUPLE_COST, 0, DBL_MAX, NULL, NULL}, - {"cpu_operator_cost", PGC_USERSET, &cpu_operator_cost, - DEFAULT_CPU_OPERATOR_COST, 0, DBL_MAX, NULL, NULL}, - - {"geqo_selection_bias", PGC_USERSET, &Geqo_selection_bias, - DEFAULT_GEQO_SELECTION_BIAS, MIN_GEQO_SELECTION_BIAS, - MAX_GEQO_SELECTION_BIAS, NULL, NULL}, - - {NULL, 0, NULL, 0.0, 0.0, 0.0, NULL, NULL} + { + "effective_cache_size", PGC_USERSET, &effective_cache_size, + DEFAULT_EFFECTIVE_CACHE_SIZE, 0, DBL_MAX, NULL, NULL + } , + { + "random_page_cost", PGC_USERSET, &random_page_cost, + DEFAULT_RANDOM_PAGE_COST, 0, DBL_MAX, NULL, NULL + }, + { + "cpu_tuple_cost", PGC_USERSET, &cpu_tuple_cost, + DEFAULT_CPU_TUPLE_COST, 0, DBL_MAX, NULL, NULL + }, + { + "cpu_index_tuple_cost", PGC_USERSET, &cpu_index_tuple_cost, + DEFAULT_CPU_INDEX_TUPLE_COST, 0, DBL_MAX, NULL, NULL + }, + { + "cpu_operator_cost", PGC_USERSET, &cpu_operator_cost, + DEFAULT_CPU_OPERATOR_COST, 0, DBL_MAX, NULL, NULL + }, + + { + "geqo_selection_bias", PGC_USERSET, &Geqo_selection_bias, + DEFAULT_GEQO_SELECTION_BIAS, MIN_GEQO_SELECTION_BIAS, + MAX_GEQO_SELECTION_BIAS, NULL, NULL + }, + + { + NULL, 0, NULL, 0.0, 0.0, 0.0, NULL, NULL + } }; static struct config_string ConfigureNamesString[] = { - {"default_transaction_isolation", PGC_USERSET, &default_iso_level_string, - "read committed", check_defaultxactisolevel, assign_defaultxactisolevel}, + { + "default_transaction_isolation", PGC_USERSET, &default_iso_level_string, + "read committed", check_defaultxactisolevel, assign_defaultxactisolevel + } , - {"dynamic_library_path", PGC_SUSET, &Dynamic_library_path, - "$libdir", NULL, NULL}, + { + "dynamic_library_path", PGC_SUSET, &Dynamic_library_path, + "$libdir", NULL, NULL + }, - {"krb_server_keyfile", PGC_POSTMASTER, &pg_krb_server_keyfile, - PG_KRB_SRVTAB, NULL, NULL}, + { + "krb_server_keyfile", PGC_POSTMASTER, &pg_krb_server_keyfile, + PG_KRB_SRVTAB, NULL, NULL + }, #ifdef ENABLE_SYSLOG - {"syslog_facility", PGC_POSTMASTER, &Syslog_facility, - "LOCAL0", check_facility, NULL}, - {"syslog_ident", PGC_POSTMASTER, &Syslog_ident, - "postgres", NULL, NULL}, + { + "syslog_facility", PGC_POSTMASTER, &Syslog_facility, + "LOCAL0", check_facility, NULL + }, + { + "syslog_ident", PGC_POSTMASTER, &Syslog_ident, + "postgres", NULL, NULL + }, #endif - {"unix_socket_group", PGC_POSTMASTER, &Unix_socket_group, - "", NULL, NULL}, + { + "unix_socket_group", PGC_POSTMASTER, &Unix_socket_group, + "", NULL, NULL + }, - {"unix_socket_directory", PGC_POSTMASTER, &UnixSocketDir, - "", NULL, NULL}, + { + "unix_socket_directory", PGC_POSTMASTER, &UnixSocketDir, + "", NULL, NULL + }, - {"virtual_host", PGC_POSTMASTER, &VirtualHost, - "", NULL, NULL}, + { + "virtual_host", PGC_POSTMASTER, &VirtualHost, + "", NULL, NULL + }, - {"wal_sync_method", PGC_SIGHUP, &XLOG_sync_method, - XLOG_sync_method_default, check_xlog_sync_method, - assign_xlog_sync_method}, + { + "wal_sync_method", PGC_SIGHUP, &XLOG_sync_method, + XLOG_sync_method_default, check_xlog_sync_method, + assign_xlog_sync_method + }, - {NULL, 0, NULL, NULL, NULL, NULL} + { + NULL, 0, NULL, NULL, NULL, NULL + } }; /******** end of options list ********/ @@ -628,10 +814,10 @@ parse_int(const char *value, int *result) val = strtol(value, &endptr, 0); if (endptr == value || *endptr != '\0' || errno == ERANGE #ifdef HAVE_LONG_INT_64 - /* if long > 32 bits, check for overflow of int4 */ + /* if long > 32 bits, check for overflow of int4 */ || val != (long) ((int32) val) #endif - ) + ) return false; if (result) *result = (int) val; @@ -715,23 +901,24 @@ set_config_option(const char *name, const char *value, case PGC_SIGHUP: if (context != PGC_SIGHUP && context != PGC_POSTMASTER) elog(ERROR, "'%s' cannot be changed now", name); + /* - * Hmm, the idea of the SIGHUP context is "ought to be global, but - * can be changed after postmaster start". But there's nothing - * that prevents a crafty administrator from sending SIGHUP - * signals to individual backends only. + * Hmm, the idea of the SIGHUP context is "ought to be global, + * but can be changed after postmaster start". But there's + * nothing that prevents a crafty administrator from sending + * SIGHUP signals to individual backends only. */ break; case PGC_BACKEND: if (context == PGC_SIGHUP) { /* - * If a PGC_BACKEND parameter is changed in the config file, - * we want to accept the new value in the postmaster (whence - * it will propagate to subsequently-started backends), but - * ignore it in existing backends. This is a tad klugy, but - * necessary because we don't re-read the config file during - * backend start. + * If a PGC_BACKEND parameter is changed in the config + * file, we want to accept the new value in the postmaster + * (whence it will propagate to subsequently-started + * backends), but ignore it in existing backends. This is + * a tad klugy, but necessary because we don't re-read the + * config file during backend start. */ if (IsUnderPostmaster) return true; @@ -903,7 +1090,8 @@ set_config_option(const char *name, const char *value, if (makeDefault) { str = strdup(value); - if (str == NULL) { + if (str == NULL) + { elog(elevel, "out of memory"); return false; } @@ -1006,10 +1194,10 @@ GetConfigOption(const char *name) } static void -_ShowOption(enum config_type opttype, struct config_generic *record) +_ShowOption(enum config_type opttype, struct config_generic * record) { - char buffer[256]; - char *val; + char buffer[256]; + char *val; switch (opttype) { @@ -1046,16 +1234,16 @@ ShowAllGUCConfig(void) int i; for (i = 0; ConfigureNamesBool[i].name; i++) - _ShowOption(PGC_BOOL, (struct config_generic *)&ConfigureNamesBool[i]); + _ShowOption(PGC_BOOL, (struct config_generic *) & ConfigureNamesBool[i]); for (i = 0; ConfigureNamesInt[i].name; i++) - _ShowOption(PGC_INT, (struct config_generic *)&ConfigureNamesInt[i]); + _ShowOption(PGC_INT, (struct config_generic *) & ConfigureNamesInt[i]); for (i = 0; ConfigureNamesReal[i].name; i++) - _ShowOption(PGC_REAL, (struct config_generic *)&ConfigureNamesReal[i]); + _ShowOption(PGC_REAL, (struct config_generic *) & ConfigureNamesReal[i]); for (i = 0; ConfigureNamesString[i].name; i++) - _ShowOption(PGC_STRING, (struct config_generic *)&ConfigureNamesString[i]); + _ShowOption(PGC_STRING, (struct config_generic *) & ConfigureNamesString[i]); } @@ -1132,7 +1320,6 @@ check_facility(const char *facility) return true; return false; } - #endif |