Fixed timing problem with rpl000001 replication test.

Fixed configure problems with HPUX and openbsd
SHOW SLAVE STATUS returns empty set if slave is not initialized
SHOW MASTER STATUS returns empty set if binary logging is not enabled.
Fixed shutdown problem on Solaris.


BitKeeper/deleted/.del-set_var.cc~5374527de1955359:
  Delete: libmysqld/set_var.cc
BitKeeper/etc/ignore:
  added libmysqld/set_var.cc
Build-tools/Do-compile:
  Remove warnings from touch during compilation
Docs/manual.texi:
  Changelog
client/mysqltest.c:
  Added real_sleep command
configure.in:
  Fixed type for HPUX10
innobase/configure.in:
  Fixed type for openbsd
libmysql/libmysql.c:
  Fix for new SHOW SLAVE STATUS
myisam/mi_update.c:
  Update key file if using external locking
mysql-test/mysql-test-run.sh:
  Safety fix
mysql-test/r/rpl000015.result:
  Update for new SHOW SLAVE STATUS
mysql-test/r/rpl_empty_master_crash.result:
  Update for new SHOW SLAVE STATUS
mysql-test/t/rpl000001.test:
  sleep -> real_sleep to avoid timing problem
sql/mysqld.cc:
  Fixed bug with SIGTERM on Solaris
sql/slave.cc:
  SHOW SLAVE STATUS returns empty sets if slave is not initialized.
sql/sql_repl.cc:
  SHOW MASTER STAT returns empty set if no binary logging.

.bzrignore

@@ -493,3 +493,4 @@ sql-bench/innotest2a
 sql-bench/innotest2b
 myisam/test2.MYD
 myisam/test2.MYI
+libmysqld/set_var.cc

Build-tools/Do-compile

@@ -118,8 +118,12 @@ if ($opt_stage == 0 && ! $opt_use_old_distribution)
   safe_system("gunzip < $opt_distribution | $tar xf -");
 
   # Fix file times; This is needed because the time for files may be
-  # in the future
-  system("touch timestamp; find . -newer timestamp -print | xargs touch; rm -f timestamp");
+  # in the future.  The following is done this way to ensure that
+  # we don't get any errors from xargs touch
+  system("touch timestamp");
+  sleep(2);
+  system("touch timestamp2");
+  system("find . -newer timestamp -print | xargs touch; rm -f timestamp");
   sleep(2);
   # Ensure that files we don't want to rebuild are newer than other files
   safe_cd($ver);

Docs/manual.texi

@@ -8172,6 +8172,11 @@ Renamed mysqld startup options @code{--skip-locking} to
 @code{--skip-external-locking} and @code{--enable-locking} to
 @code{--external-locking}.
 @item
+@code{SHOW MASTER STATUS} now returns an empty set if binary log is not
+enabled.
+@item
+@code{SHOW SLAVE STATUS} now returns an empty set if slave is not initialized.
+@item
 mysqld now has the option @code{--temp-pool} enabled by default as this
 gives better performance with some OS.
 @item
@@ -50261,6 +50266,13 @@ each individual 4.0.x release.
 
 @itemize @bullet
 @item
+Fixed shutdown problem (SIGTERM signal handling) on Solaris. (Bug from 4.0.2).
+@item
+@code{SHOW MASTER STATUS} now returns an empty set if binary log is not
+enabled.
+@item
+@code{SHOW SLAVE STATUS} now returns an empty set if slave is not initialized.
+@item
 Don't update MyISAM index file on update if not strictly necessary.
 @item
 Fixed bug in @code{SELECT DISTINCT ... FROM many_tables ORDER BY

client/mysqltest.c

@@ -178,7 +178,7 @@ struct connection* cur_con, *next_con, *cons_end;
 
 enum enum_commands {
 Q_CONNECTION=1,     Q_QUERY,
-Q_CONNECT,	    Q_SLEEP,
+Q_CONNECT,	    Q_SLEEP, Q_REAL_SLEEP, 
 Q_INC,		    Q_DEC,
 Q_SOURCE,	    Q_DISCONNECT,
 Q_LET,		    Q_ECHO,
@@ -213,25 +213,45 @@ struct st_query
   enum enum_commands type;
 };
 
-const char *command_names[] = {
-  "connection",       "query",
-  "connect",	      "sleep",
-  "inc",	      "dec",
-  "source",	      "disconnect",
-  "let",	      "echo",
-  "while",	      "end",
-  "system",	      "result",
-  "require",	      "save_master_pos",
-  "sync_with_master", "error",
-  "send",	      "reap",
-  "dirty_close",      "replace_result",
-  "ping",	      "eval",
-  "rpl_probe",	      "enable_rpl_parse",
-  "disable_rpl_parse", "eval_result",
-  "enable_query_log", "disable_query_log",
-  "enable_result_log", "disable_result_log",
-  "server_start", "server_stop",
-  "require_manager", "wait_for_slave_to_stop",
+const char *command_names[]=
+{
+  "connection",
+  "query",
+  "connect",
+  "sleep",
+  "real_sleep",
+  "inc",
+  "dec",
+  "source",
+  "disconnect",
+  "let",
+  "echo",
+  "while",
+  "end",
+  "system",
+  "result",
+  "require",
+  "save_master_pos",
+  "sync_with_master",
+  "error",
+  "send",
+  "reap",
+  "dirty_close",
+  "replace_result",
+  "ping",
+  "eval",
+  "rpl_probe",
+  "enable_rpl_parse",
+  "disable_rpl_parse",
+  "eval_result",
+  "enable_query_log",
+  "disable_query_log",
+  "enable_result_log",
+  "disable_result_log",
+  "server_start",
+  "server_stop",
+  "require_manager",
+  "wait_for_slave_to_stop",
   "require_version",
   0
 };
@@ -973,7 +993,7 @@ int do_sync_with_master(struct st_query* q)
 	mysql_errno(mysql), mysql_error(mysql));
 
   if (!(last_result = res = mysql_store_result(mysql)))
-    die("line %u: mysql_store_result() retuned NULL", start_lineno);
+    die("line %u: mysql_store_result() returned NULL", start_lineno);
   if (!(row = mysql_fetch_row(res)))
     die("line %u: empty result in %s", start_lineno, query_buf);
   if (!row[0])
@@ -1052,7 +1072,7 @@ int do_disable_rpl_parse(struct st_query* q __attribute__((unused)))
 }
 
 
-int do_sleep(struct st_query* q)
+int do_sleep(struct st_query* q, my_bool real_sleep)
 {
   char* p=q->first_argument;
   struct timeval t;
@@ -1064,7 +1084,7 @@ int do_sleep(struct st_query* q)
 
 #ifdef OS2
 
-  if (opt_sleep)
+  if (opt_sleep && !real_sleep)
     DosSleep( opt_sleep * 1000);
   else
     DosSleep( atof( p) * 1000);
@@ -1072,7 +1092,7 @@ int do_sleep(struct st_query* q)
   return 0;
 
 #else
-  if (opt_sleep)
+  if (opt_sleep && !real_sleep)
     t.tv_sec = opt_sleep;
   else
   {
@@ -2394,7 +2414,8 @@ int main(int argc, char** argv)
       case Q_ENABLE_RESULT_LOG:  disable_result_log=0; break;
       case Q_DISABLE_RESULT_LOG: disable_result_log=1; break;
       case Q_SOURCE: do_source(q); break;
-      case Q_SLEEP: do_sleep(q); break;
+      case Q_SLEEP: do_sleep(q, 0); break;
+      case Q_REAL_SLEEP: do_sleep(q, 1); break;
       case Q_REQUIRE_VERSION: do_require_version(q); break;
       case Q_WAIT_FOR_SLAVE_TO_STOP: do_wait_for_slave_to_stop(q); break;
       case Q_REQUIRE_MANAGER: do_require_manager(q); break;

configure.in

@@ -893,7 +893,7 @@ case $SYSTEM_TYPE in
   *hpux10.20*)
     echo "Enabling workarounds for hpux 10.20"
     CFLAGS="$CFLAGS -DHAVE_BROKEN_SNPRINTF -DSIGNALS_DONT_BREAK_READ -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHPUX -DSIGNAL_WITH_VIO_CLOSE -DHAVE_BROKEN_PTHREAD_COND_TIMEDWAIT -DHAVE_POSIX1003_4a_MUTEX"
-    CXXFLAGS="$CXXFLAGS -DHAVE_BROKEN_SNPRINTF -D_INCLUDE_LONGLONG -DSIGNALS_DONT_BREAK_READ -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHPUX -DSIGNAL_WITH_VIO_CLOSE -DHAVE_BROKEN_PTHREAD_COND_TIMEDWAIT HAVE_POSIX1003_4a_MUTEX"
+    CXXFLAGS="$CXXFLAGS -DHAVE_BROKEN_SNPRINTF -D_INCLUDE_LONGLONG -DSIGNALS_DONT_BREAK_READ -DDO_NOT_REMOVE_THREAD_WRAPPERS -DHPUX -DSIGNAL_WITH_VIO_CLOSE -DHAVE_BROKEN_PTHREAD_COND_TIMEDWAIT -DHAVE_POSIX1003_4a_MUTEX"
     if test "$with_named_thread" = "no"
     then 
       echo "Using --with-named-thread=-lpthread"

innobase/configure.in

@@ -97,7 +97,7 @@ case "$target_os" in
        sysv5uw7*)
 	 # Problem when linking on SCO
 	 CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE";;
-	*-openbsd*)
+	openbsd*)
 	 CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE";;
 esac
 

libmysql/libmysql.c

@@ -1259,11 +1259,12 @@ int STDCALL mysql_rpl_probe(MYSQL* mysql)
     return 1;
   }
 
-  if (!(row = mysql_fetch_row(res)))
-    goto err;
-
-  /* check master host for emptiness/NULL */
-  if (row[0] && *(row[0]))
+  row= mysql_fetch_row(res);
+  /*
+    Check master host for emptiness/NULL
+    For MySQL 4.0 it's enough to check for row[0]
+  */
+  if (row && row[0] && *(row[0]))
   {
     /* this is a slave, ask it for the master */
     if (get_master(mysql, res, row) || get_slaves_from_master(mysql))

myisam/mi_update.c

@@ -119,7 +119,11 @@ int mi_update(register MI_INFO *info, const byte *oldrec, byte *newrec)
       }
     }
   }
-  if (changed)
+  /*
+    If we are running with external locking, we must update the index file
+    that something has changed
+  */
+  if (changed || !my_disable_locking)
     key_changed|= HA_STATE_KEY_CHANGED;
 
   if (share->calc_checksum)

mysql-test/mysql-test-run.sh

@@ -873,7 +873,7 @@ start_slave()
           --slave-load-tmpdir=$SLAVE_LOAD_TMPDIR \
           --report-host=127.0.0.1 --report-user=root \
           --report-port=$slave_port \
-          --master-retry-count=5 \
+          --master-retry-count=10 \
           -O slave_net_timeout=10 \
            $SMALL_SERVER \
            $EXTRA_SLAVE_OPT $EXTRA_SLAVE_MYSQLD_OPT"

mysql-test/r/rpl000015.result

@@ -5,7 +5,6 @@ master-bin.001	79
 reset slave;
 show slave status;
 Master_Host	Master_User	Master_Port	Connect_retry	Master_Log_File	Read_Master_Log_Pos	Relay_Log_File	Relay_Log_Pos	Relay_Master_Log_File	Slave_IO_Running	Slave_SQL_Running	Replicate_do_db	Replicate_ignore_db	Last_errno	Last_error	Skip_counter	Exec_master_log_pos	Relay_log_space
-		0	0		0		0		No	No			0		0	0	0
 change master to master_host='127.0.0.1';
 show slave status;
 Master_Host	Master_User	Master_Port	Connect_retry	Master_Log_File	Read_Master_Log_Pos	Relay_Log_File	Relay_Log_Pos	Relay_Master_Log_File	Slave_IO_Running	Slave_SQL_Running	Replicate_do_db	Replicate_ignore_db	Last_errno	Last_error	Skip_counter	Exec_master_log_pos	Relay_log_space

mysql-test/r/rpl_empty_master_crash.result

@@ -7,6 +7,5 @@ slave start;
 drop table if exists t1;
 show slave status;
 Master_Host	Master_User	Master_Port	Connect_retry	Master_Log_File	Read_Master_Log_Pos	Relay_Log_File	Relay_Log_Pos	Relay_Master_Log_File	Slave_IO_Running	Slave_SQL_Running	Replicate_do_db	Replicate_ignore_db	Last_errno	Last_error	Skip_counter	Exec_master_log_pos	Relay_log_space
-		0	0		0		0		No	No			0		0	0	0
 load table t1 from master;
 Error in fetch_master_table

mysql-test/t/rpl000001.test

@@ -18,8 +18,10 @@ set password for root@"localhost" = password('foo');
 connection slave;
 slave start;
 connection master;
+#
 # Give slave time to do at last one failed connect retry
-sleep 2;
+# This one must be short so that the slave will not stop retrying
+real_sleep 2;
 set password for root@"localhost" = password('');
 # Give slave time to connect (will retry every second)
 sleep 2;

sql/mysqld.cc

@@ -706,12 +706,12 @@ void kill_mysql(void)
 #elif defined(OS2)
   pthread_cond_signal( &eventShutdown);		// post semaphore
 #elif defined(HAVE_PTHREAD_KILL)
-  if (pthread_kill(signal_thread,SIGTERM))	/* End everything nicely */
+  if (pthread_kill(signal_thread, MYSQL_KILL_SIGNAL))
   {
     DBUG_PRINT("error",("Got error %d from pthread_kill",errno)); /* purecov: inspected */
   }
 #elif !defined(SIGNALS_DONT_BREAK_READ)
-  kill(current_pid,SIGTERM);
+  kill(current_pid, MYSQL_KILL_SIGNAL);
 #endif
   DBUG_PRINT("quit",("After pthread_kill"));
   shutdown_in_progress=1;			// Safety if kill didn't work
@@ -1459,8 +1459,8 @@ static void init_signals(void)
   sigaddset(&set,SIGQUIT);
   sigaddset(&set,SIGTERM);
   sigaddset(&set,SIGHUP);
-  signal(SIGTERM,SIG_DFL);			// If it's blocked by parent
-  signal(SIGHUP,SIG_DFL);			// If it's blocked by parent
+  sigset(SIGTERM, print_signal_warning);	// If it's blocked by parent
+  sigset(SIGHUP, print_signal_warning);		// If it's blocked by parent
 #ifdef SIGTSTP
   sigaddset(&set,SIGTSTP);
 #endif
@@ -1560,7 +1560,7 @@ static void *signal_hand(void *arg __attribute__((unused)))
     int error;					// Used when debugging
     if (shutdown_in_progress && !abort_loop)
     {
-      sig=SIGTERM;
+      sig= SIGTERM;
       error=0;
     }
     else

sql/slave.cc

@@ -1411,36 +1411,38 @@ int show_master_info(THD* thd, MASTER_INFO* mi)
   if (send_fields(thd, field_list, 1))
     DBUG_RETURN(-1);
 
-  String* packet = &thd->packet;
-  packet->length(0);
+  if (mi->host[0])
+  {
+    String *packet= &thd->packet;
+    packet->length(0);
   
-  pthread_mutex_lock(&mi->data_lock);
-  pthread_mutex_lock(&mi->rli.data_lock);
-  net_store_data(packet, mi->host);
-  net_store_data(packet, mi->user);
-  net_store_data(packet, (uint32) mi->port);
-  net_store_data(packet, (uint32) mi->connect_retry);
-  net_store_data(packet, mi->master_log_name);
-  net_store_data(packet, (longlong) mi->master_log_pos);
-  net_store_data(packet, mi->rli.relay_log_name +
-		 dirname_length(mi->rli.relay_log_name));
-  net_store_data(packet, (longlong) mi->rli.relay_log_pos);
-  net_store_data(packet, mi->rli.master_log_name);
-  net_store_data(packet, mi->slave_running ? "Yes":"No");
-  net_store_data(packet, mi->rli.slave_running ? "Yes":"No");
-  net_store_data(packet, &replicate_do_db);
-  net_store_data(packet, &replicate_ignore_db);
-  net_store_data(packet, (uint32)mi->rli.last_slave_errno);
-  net_store_data(packet, mi->rli.last_slave_error);
-  net_store_data(packet, mi->rli.slave_skip_counter);
-  net_store_data(packet, (longlong) mi->rli.master_log_pos);
-  net_store_data(packet, (longlong) mi->rli.log_space_total);
-  pthread_mutex_unlock(&mi->rli.data_lock);
-  pthread_mutex_unlock(&mi->data_lock);
+    pthread_mutex_lock(&mi->data_lock);
+    pthread_mutex_lock(&mi->rli.data_lock);
+    net_store_data(packet, mi->host);
+    net_store_data(packet, mi->user);
+    net_store_data(packet, (uint32) mi->port);
+    net_store_data(packet, (uint32) mi->connect_retry);
+    net_store_data(packet, mi->master_log_name);
+    net_store_data(packet, (longlong) mi->master_log_pos);
+    net_store_data(packet, mi->rli.relay_log_name +
+		   dirname_length(mi->rli.relay_log_name));
+    net_store_data(packet, (longlong) mi->rli.relay_log_pos);
+    net_store_data(packet, mi->rli.master_log_name);
+    net_store_data(packet, mi->slave_running ? "Yes":"No");
+    net_store_data(packet, mi->rli.slave_running ? "Yes":"No");
+    net_store_data(packet, &replicate_do_db);
+    net_store_data(packet, &replicate_ignore_db);
+    net_store_data(packet, (uint32)mi->rli.last_slave_errno);
+    net_store_data(packet, mi->rli.last_slave_error);
+    net_store_data(packet, mi->rli.slave_skip_counter);
+    net_store_data(packet, (longlong) mi->rli.master_log_pos);
+    net_store_data(packet, (longlong) mi->rli.log_space_total);
+    pthread_mutex_unlock(&mi->rli.data_lock);
+    pthread_mutex_unlock(&mi->data_lock);
   
-  if (my_net_write(&thd->net, (char*)thd->packet.ptr(), packet->length()))
-    DBUG_RETURN(-1);
-
+    if (my_net_write(&thd->net, (char*)thd->packet.ptr(), packet->length()))
+      DBUG_RETURN(-1);
+  }
   send_eof(&thd->net);
   DBUG_RETURN(0);
 }
@@ -1484,22 +1486,20 @@ int st_relay_log_info::wait_for_pos(THD* thd, String* log_name,
       return -1;
     }
     DBUG_ASSERT(*master_log_name || master_log_pos == 0);
+    cmp_result = 0;
     if (*master_log_name)
     {
       /*
-	We should use dirname_length() here when we have a version of
-	this that doesn't modify the argument */
-      char *basename = strrchr(master_log_name, FN_LIBCHAR);
-      if (basename)
-	++basename;
-      else
-	basename = master_log_name;
+	TODO:
+	Replace strncmp() with a comparison function that
+	can handle comparison of the following files:
+	mysqlbin.999
+	mysqlbin.1000
+      */
+      char *basename= master_log_name + dirname_length(master_log_name);
       cmp_result =  strncmp(basename, log_name->ptr(),
 			    log_name->length());
     }
-    else
-      cmp_result = 0;
-      
     pos_reached = ((!cmp_result && master_log_pos >= log_pos) ||
 		   cmp_result > 0);
     if (pos_reached || thd->killed)

sql/sql_repl.cc

@@ -1000,18 +1000,9 @@ int show_binlog_info(THD* thd)
     net_store_data(packet, (longlong)li.pos);
     net_store_data(packet, &binlog_do_db);
     net_store_data(packet, &binlog_ignore_db);
+    if (my_net_write(&thd->net, (char*)thd->packet.ptr(), packet->length()))
+      DBUG_RETURN(-1);
   }
-  else
-  {
-    net_store_null(packet);
-    net_store_null(packet);
-    net_store_null(packet);
-    net_store_null(packet);
-  }
-
-  if (my_net_write(&thd->net, (char*)thd->packet.ptr(), packet->length()))
-    DBUG_RETURN(-1);
-
   send_eof(&thd->net);
   DBUG_RETURN(0);
 }