Small polishing of syslog facility and ident settings. Only allow setting

at postmaster start, rename syslog_progid to syslog_ident, since syslog
itself uses that term, fix doc markup.

doc/src/sgml/runtime.sgml

 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.35 2000/11/14 18:11:30 petere Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.36 2000/11/14 19:13:26 petere Exp $
 -->
 
 <Chapter Id="runtime">
@@ -825,22 +825,25 @@ env PGOPTIONS='-c geqo=off' psql
       <term>SYSLOG_FACILITY (<type>string</type>)</term>
        <listitem>
         <para>
-          If the SYSLOG option is set to 1 or greater, this option determines
-          the <application>syslog</application> facility used.  You may choose
-          from LOCAL0, LOCAL1, LOCAL2, LOCAL3, LOCAL4, LOCAL5, LOCAL6, LOCAL7.
-          the default is LOCAL0
+          This option determines the <application>syslog</application>
+          <quote>facility</quote> to be used when syslog is enabled.
+          You may choose from LOCAL0, LOCAL1, LOCAL2, LOCAL3, LOCAL4,
+          LOCAL5, LOCAL6, LOCAL7; the default is LOCAL0.  See also the
+          documentation of your system's
+          <application>syslog</application>.
         </para>
        </listitem>
      </varlistentry>
      
      <varlistentry>
-      <term>SYSLOG_PROGID (<type>string</type>)</term>
+      <term>SYSLOG_IDENT (<type>string</type>)</term>
        <listitem>
         <para>
-         If the SYSLOG option is set to 1 or greater, this option determines
-         the program id used to identify <product>PostgreSQL</product> messages
-         in <application>syslog</application> log messages.  The default is
-         postgres.
+         If logging to syslog is enabled, this option determines the
+         program name used to identify
+         <productname>PostgreSQL</productname> messages in
+         <application>syslog</application> log messages.  The default
+         is <quote>postgres</quote>.
         </para>
        </listitem>
       </varlistentry>

src/backend/utils/error/elog.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/error/elog.c,v 1.66 2000/11/13 21:35:02 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/error/elog.c,v 1.67 2000/11/14 19:13:27 petere Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -58,8 +58,8 @@ extern CommandDest whereToSendOutput;
  * ... in theory anyway
  */
 int Use_syslog = 0;
-char *Syslog_facility = "LOCAL0";
-char *Syslog_progid = "postgres";
+char *Syslog_facility;
+char *Syslog_ident;
 
 static void write_syslog(int level, const char *line);
 
@@ -646,7 +646,7 @@ write_syslog(int level, const char *line)
 			syslog_fac = LOG_LOCAL6;
 		if (strcasecmp(Syslog_facility,"LOCAL7") == 0)
 			syslog_fac = LOG_LOCAL7;
-		openlog(Syslog_progid, LOG_PID | LOG_NDELAY, syslog_fac);
+		openlog(Syslog_ident, LOG_PID | LOG_NDELAY, syslog_fac);
 		openlog_done = true;
 	}
 

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 1.19 2000/11/14 01:15:02 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.20 2000/11/14 19:13:27 petere Exp $
  *
  * Copyright 2000 by PostgreSQL Global Development Group
  * Written by Peter Eisentraut <peter_e@gmx.net>.
@@ -41,8 +41,8 @@ extern int XLOGbuffers;
 extern int XLOG_DEBUG;
 #ifdef ENABLE_SYSLOG
 extern char *Syslog_facility;
-extern char *Syslog_progid;
-       bool check_facility(const char *facility);
+extern char *Syslog_ident;
+bool check_facility(const char *facility);
 #endif
 
 /*
@@ -308,10 +308,11 @@ ConfigureNamesString[] =
 
 	{"unix_socket_group",         PGC_POSTMASTER,       &Unix_socket_group,
 	 "", NULL},
+
 #ifdef ENABLE_SYSLOG
-	{"syslog_facility",           PGC_SIGHUP,	    &Syslog_facility, 
+	{"syslog_facility",           PGC_POSTMASTER,	    &Syslog_facility, 
 	"LOCAL0", check_facility},	 
-	{"syslog_progid",             PGC_SIGHUP,	    &Syslog_progid, 
+	{"syslog_ident",              PGC_POSTMASTER,	    &Syslog_ident, 
 	"postgres", NULL},	 
 #endif
 
@@ -608,7 +609,7 @@ set_config_option(const char * name, const char * value, GucContext
 				bool boolval;
                 if (!parse_bool(value, &boolval))
 				{
-					elog(elevel, "Option '%s' requires a boolean value", name);
+					elog(elevel, "option '%s' requires a boolean value", name);
 					return false;
 				}
 				if (DoIt)
@@ -629,12 +630,12 @@ set_config_option(const char * name, const char * value, GucContext
 
                 if (!parse_int(value, &intval))
 				{
-                    elog(elevel, "Option '%s' expects an integer value", name);
+                    elog(elevel, "option '%s' expects an integer value", name);
 					return false;
 				}
                 if (intval < conf->min || intval > conf->max)
 				{
-                    elog(elevel, "Option '%s' value %d is outside"
+                    elog(elevel, "option '%s' value %d is outside"
 						 " of permissible range [%d .. %d]",
 						 name, intval, conf->min, conf->max);
 					return false;
@@ -657,12 +658,12 @@ set_config_option(const char * name, const char * value, GucContext
 
                 if (!parse_real(value, &dval))
 				{
-                    elog(elevel, "Option '%s' expects a real number", name);
+                    elog(elevel, "option '%s' expects a real number", name);
 					return false;
 				}
                 if (dval < conf->min || dval > conf->max)
 				{
-                    elog(elevel, "Option '%s' value %g is outside"
+                    elog(elevel, "option '%s' value %g is outside"
 						 " of permissible range [%g .. %g]",
 						 name, dval, conf->min, conf->max);
 					return false;
@@ -683,7 +684,7 @@ set_config_option(const char * name, const char * value, GucContext
 			{
 				if (conf->parse_hook && !(conf->parse_hook)(value))
 				{
-					elog(elevel, "Option '%s' rejects value '%s'", name, value);
+					elog(elevel, "invalid value for option '%s': '%s'", name, value);
 					return false;
 				}
 				if (DoIt)
@@ -824,6 +825,9 @@ ParseLongOption(const char * string, char ** name, char ** value)
 		if (*cp == '-')
 			*cp = '_';
 }
+
+
+
 #ifdef ENABLE_SYSLOG
 bool 
 check_facility(const char *facility)