diff options
Diffstat (limited to 'src/backend/utils/misc/guc.c')
| -rw-r--r-- | src/backend/utils/misc/guc.c | 204 |
1 files changed, 1 insertions, 203 deletions
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index 5d71c3b7a43..60f640639ef 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -10,7 +10,7 @@ * Written by Peter Eisentraut <peter_e@gmx.net>. * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.120 2003/05/02 21:59:31 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.121 2003/05/02 22:01:51 momjian Exp $ * *-------------------------------------------------------------------- */ @@ -60,9 +60,6 @@ #define PG_KRB_SRVTAB "" #endif -#ifdef EXEC_BACKEND -#define CONFIG_EXEC_PARAMS "global/config_exec_params" -#endif /* XXX these should appear in other modules' header files */ extern bool Log_connections; @@ -2804,204 +2801,6 @@ _ShowOption(struct config_generic * record) } -#ifdef EXEC_BACKEND -/* - * This routine dumps out all non-default GUC options into a binary - * file that is read by all exec'ed backends. The format is: - * - * variable name, string, null terminated - * variable value, string, null terminated - * variable source, integer - */ -void -write_nondefault_variables(GucContext context) -{ - int i; - char *new_filename, *filename; - int elevel; - FILE *fp; - - Assert(context == PGC_POSTMASTER || context == PGC_SIGHUP); - Assert(DataDir); - elevel = (context == PGC_SIGHUP) ? DEBUG3 : ERROR; - - /* - * Open file - */ - new_filename = malloc(strlen(DataDir) + strlen(CONFIG_EXEC_PARAMS) + - strlen(".new") + 2); - filename = malloc(strlen(DataDir) + strlen(CONFIG_EXEC_PARAMS) + 2); - if (new_filename == NULL || filename == NULL) - { - elog(elevel, "out of memory"); - return; - } - sprintf(new_filename, "%s/" CONFIG_EXEC_PARAMS ".new", DataDir); - sprintf(filename, "%s/" CONFIG_EXEC_PARAMS, DataDir); - - fp = AllocateFile(new_filename, "w"); - if (!fp) - { - free(new_filename); - free(filename); - elog(elevel, "could not write exec config params file `" - CONFIG_EXEC_PARAMS "': %s", strerror(errno)); - return; - } - - for (i = 0; i < num_guc_variables; i++) - { - struct config_generic *gconf = guc_variables[i]; - - if (gconf->source != PGC_S_DEFAULT) - { - fprintf(fp, "%s", gconf->name); - fputc(0, fp); - - switch (gconf->vartype) - { - case PGC_BOOL: - { - struct config_bool *conf = (struct config_bool *) gconf; - - if (*conf->variable == 0) - fprintf(fp, "false"); - else - fprintf(fp, "true"); - } - break; - - case PGC_INT: - { - struct config_int *conf = (struct config_int *) gconf; - - fprintf(fp, "%d", *conf->variable); - } - break; - - case PGC_REAL: - { - struct config_real *conf = (struct config_real *) gconf; - - /* Could lose precision here? */ - fprintf(fp, "%f", *conf->variable); - } - break; - - case PGC_STRING: - { - struct config_string *conf = (struct config_string *) gconf; - - fprintf(fp, "%s", *conf->variable); - } - break; - } - - fputc(0, fp); - - fwrite(&gconf->source, sizeof(gconf->source), 1, fp); - } - } - - FreeFile(fp); - /* Put new file in place, this could delay on Win32 */ - rename(new_filename, filename); - free(new_filename); - free(filename); - return; -} - - -/* - * Read string, including null byte from file - * - * Return NULL on EOF and nothing read - */ -static char * -read_string_with_null(FILE *fp) -{ - int i = 0, ch, maxlen = 256; - char *str = NULL; - - do - { - if ((ch = fgetc(fp)) == EOF) - { - if (i == 0) - return NULL; - else - elog(FATAL, "Invalid format of exec config params file"); - } - if (i == 0) - str = malloc(maxlen); - else if (i == maxlen) - str = realloc(str, maxlen *= 2); - str[i++] = ch; - } while (ch != 0); - - return str; -} - - -/* - * This routine loads a previous postmaster dump of its non-default - * settings. - */ -void -read_nondefault_variables(void) -{ - char *filename; - FILE *fp; - char *varname, *varvalue; - int varsource; - - Assert(DataDir); - - /* - * Open file - */ - filename = malloc(strlen(DataDir) + strlen(CONFIG_EXEC_PARAMS) + 2); - if (filename == NULL) - { - elog(ERROR, "out of memory"); - return; - } - sprintf(filename, "%s/" CONFIG_EXEC_PARAMS, DataDir); - - fp = AllocateFile(filename, "r"); - if (!fp) - { - free(filename); - /* File not found is fine */ - if (errno != ENOENT) - elog(FATAL, "could not read exec config params file `" - CONFIG_EXEC_PARAMS "': %s", strerror(errno)); - return; - } - - while (1) - { - if ((varname = read_string_with_null(fp)) == NULL) - break; - - if ((varvalue = read_string_with_null(fp)) == NULL) - elog(FATAL, "Invalid format of exec config params file"); - if (fread(&varsource, sizeof(varsource), 1, fp) == 0) - elog(FATAL, "Invalid format of exec config params file"); - - (void) set_config_option(varname, varvalue, PGC_POSTMASTER, - varsource, false, true); - free(varname); - free(varvalue); - } - - FreeFile(fp); - free(filename); - return; -} -#endif - - /* * A little "long argument" simulation, although not quite GNU * compliant. Takes a string of the form "some-option=some value" and @@ -3404,4 +3203,3 @@ assign_msglvl(int *var, const char *newval, bool doit, bool interactive) #include "guc-file.c" - |