Merge with 3.23 -> 4.0

configure.in:
  Auto merged
include/config-win.h:
  Auto merged
include/thr_lock.h:
  Auto merged
mysql-test/Makefile.am:
  Auto merged
sql/repl_failsafe.cc:
  Auto merged
sql/slave.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_show.cc:
  Auto merged
sql/log_event.cc:
  merge
sql/mysqld.cc:
  merge

configure.in

@@ -1825,6 +1825,7 @@ AC_CHECK_FUNCS(alarm bmove \
  sigset sigthreadmask pthread_sigmask pthread_setprio pthread_setprio_np \
  pthread_setschedparam pthread_attr_setprio pthread_attr_setschedparam \
  pthread_attr_create pthread_getsequence_np pthread_attr_setstacksize \
+ pthread_attr_getstacksize \
  pthread_condattr_create rwlock_init pthread_rwlock_rdlock \
  fchmod getpass getpassphrase initgroups mlockall)
 

include/config-win.h

@@ -143,6 +143,11 @@ typedef uint rf_SetTimer;
 #define HAVE_NAMED_PIPE			/* We can only create pipes on NT */
 #endif
 
+/* We need to close files to break connections on shutdown */
+#ifndef SIGNAL_WITH_VIO_CLOSE
+#define SIGNAL_WITH_VIO_CLOSE
+#endif
+
 /* Use all character sets in MySQL */
 #define USE_MB 1
 #define USE_MB_IDENT 1

include/thr_lock.h

@@ -43,8 +43,8 @@ enum thr_lock_type { TL_IGNORE=-1,
 		      */
 		     TL_WRITE_ALLOW_WRITE,
 		     /*
-			Write lock, but allow other threads to read / write.
-			Used by ALTER TABLE in MySQL to mark to allow readers
+			Write lock, but allow other threads to read.
+			Used by ALTER TABLE in MySQL to allow readers
 			to use the table until ALTER TABLE is finished.
 		     */
 		     TL_WRITE_ALLOW_READ,

mysql-test/Makefile.am

@@ -27,7 +27,7 @@ CLEANFILES = 		$(test_SCRIPTS)
 dist-hook:
 	mkdir -p $(distdir)/t $(distdir)/r $(distdir)/include \
 		$(distdir)/std_data
-	$(INSTALL_DATA) $(srcdir)/t/*.test $(srcdir)/t/*.opt $(srcdir)/t/*.sh $(distdir)/t
+	$(INSTALL_DATA) $(srcdir)/t/*.test $(srcdir)/t/*.opt $(srcdir)/t/*.sh $(srcdir)/t/*.slave-mi $(distdir)/t
 	$(INSTALL_DATA) $(srcdir)/include/*.inc $(distdir)/include
 	$(INSTALL_DATA) $(srcdir)/r/*.result $(srcdir)/r/*.require $(distdir)/r
 	$(INSTALL_DATA) $(srcdir)/std_data/*.dat $(srcdir)/std_data/*.000001 $(distdir)/std_data
@@ -41,6 +41,8 @@ install-data-local:
 	$(INSTALL_DATA) $(srcdir)/README $(DESTDIR)$(testdir)
 	$(INSTALL_DATA) $(srcdir)/t/*.test $(DESTDIR)$(testdir)/t
 	$(INSTALL_DATA) $(srcdir)/t/*.opt $(DESTDIR)$(testdir)/t
+	$(INSTALL_DATA) $(srcdir)/t/*.sh $(DESTDIR)$(testdir)/t
+	$(INSTALL_DATA) $(srcdir)/t/*.slave-mi $(DESTDIR)$(testdir)/t
 	$(INSTALL_DATA) $(srcdir)/r/*.result $(DESTDIR)$(testdir)/r
 	$(INSTALL_DATA) $(srcdir)/r/*.require $(DESTDIR)$(testdir)/r
 	$(INSTALL_DATA) $(srcdir)/include/*.inc $(DESTDIR)$(testdir)/include

sql/log_event.cc

@@ -1937,14 +1937,14 @@ int Rand_log_event::write_data(IO_CACHE* file)
 #ifdef MYSQL_CLIENT
 void Rand_log_event::print(FILE* file, bool short_form, char* last_db)
 {
-  char llbuff[22];
+  char llbuff[22],llbuff2[22];
   if (!short_form)
   {
     print_header(file);
     fprintf(file, "\tRand\n");
   }
   fprintf(file, "SET @@RAND_SEED1=%s, @@RAND_SEED2=%s;\n",
-	  llstr(seed1, llbuff),llstr(seed2, llbuff));
+	  llstr(seed1, llbuff),llstr(seed2, llbuff2));
   fflush(file);
 }
 #endif // MYSQL_CLIENT

sql/mysqld.cc

@@ -2352,6 +2352,7 @@ int main(int argc, char **argv)
   if (init_thread_environment())
     unireg_abort(1);
   pthread_attr_setstacksize(&connection_attrib,thread_stack);
+#ifdef HAVE_PTHREAD_ATTR_GETSTACKSIZE
   {
     /* Retrieve used stack size;  Needed for checking stack overflows */
     size_t stack_size;
@@ -2363,6 +2364,7 @@ int main(int argc, char **argv)
       thread_stack= stack_size;
     }
   }
+#endif
   (void) thr_setconcurrency(concurrency);	// 10 by default
 
   select_thread=pthread_self();

sql/repl_failsafe.cc

@@ -59,13 +59,13 @@ static int init_failsafe_rpl_thread(THD* thd)
 {
   DBUG_ENTER("init_failsafe_rpl_thread");
   thd->system_thread = thd->bootstrap = 1;
+  thd->host_or_ip= "";
   thd->client_capabilities = 0;
   my_net_init(&thd->net, 0);
   thd->net.read_timeout = slave_net_timeout;
   thd->max_client_packet_length=thd->net.max_packet;
   thd->master_access= ~0;
   thd->priv_user = 0;
-  thd->system_thread = 1;
   pthread_mutex_lock(&LOCK_thread_count);
   thd->thread_id = thread_id++;
   pthread_mutex_unlock(&LOCK_thread_count);

sql/slave.cc

@@ -1863,6 +1863,7 @@ static int init_slave_thread(THD* thd, SLAVE_THD_TYPE thd_type)
 {
   DBUG_ENTER("init_slave_thread");
   thd->system_thread = thd->bootstrap = 1;
+  thd->host_or_ip= "";
   thd->client_capabilities = 0;
   my_net_init(&thd->net, 0);
   thd->net.read_timeout = slave_net_timeout;
@@ -1870,7 +1871,6 @@ static int init_slave_thread(THD* thd, SLAVE_THD_TYPE thd_type)
   thd->priv_user = 0;
   thd->slave_thread = 1;
   thd->options = (((opt_log_slave_updates) ? OPTION_BIN_LOG:0) | OPTION_AUTO_IS_NULL) ;
-  thd->system_thread = 1;
   thd->client_capabilities = CLIENT_LOCAL_FILES;
   thd->real_id=pthread_self();
   pthread_mutex_lock(&LOCK_thread_count);

sql/sql_class.cc

@@ -83,7 +83,7 @@ THD::THD():user_time(0), is_fatal_error(0),
 	   global_read_lock(0), bootstrap(0)
 {
   host=user=priv_user=db=query=ip=0;
-  host_or_ip="unknown ip";
+  host_or_ip= "connecting host";
   locked=killed=count_cuted_fields=some_tables_deleted=no_errors=password=
     query_start_used=prepare_command=0;
   db_length=query_length=col_access=0;

sql/sql_insert.cc

@@ -588,6 +588,7 @@ public:
 
     bzero((char*) &thd.net,sizeof(thd.net));	// Safety
     thd.system_thread=1;
+    thd.host_or_ip= "";
     bzero((char*) &info,sizeof(info));
     pthread_mutex_init(&mutex,MY_MUTEX_INIT_FAST);
     pthread_cond_init(&cond,NULL);

sql/sql_show.cc

@@ -1326,10 +1326,7 @@ void mysqld_list_processes(THD *thd,const char *user, bool verbose)
         thd_info->user=thd->strdup(tmp->user ? tmp->user :
 				   (tmp->system_thread ?
 				    "system user" : "unauthenticated user"));
-        thd_info->host=thd->strdup(tmp->host ? tmp->host :
-				   (tmp->ip ? tmp->ip :
-				    (tmp->system_thread ? "none" :
-				     "connecting host")));
+        thd_info->host= thd->strdup(tmp->host_or_ip);
         if ((thd_info->db=tmp->db))             // Safe test
           thd_info->db=thd->strdup(thd_info->db);
         thd_info->command=(int) tmp->command;