Fixed warnings and errors discovered by pushbuild2

mysys/my_init.c:
  Fixed link error when compiling without thread support
sql/item_create.cc:
  Fixed compiler warning
sql/mysqld.cc:
  Fixed compile error on windows
sql/protocol.cc:
  Fixed compiler warning
sql/sql_class.cc:
  Fixed compiler warning
sql/sql_class.h:
  Fixed compiler warning
storage/myisam/mi_open.c:
  Fixed compiler warning
storage/myisammrg/ha_myisammrg.cc:
  Fixed compiler warning (shadow variable)

mysys/my_init.c

@@ -199,7 +199,9 @@ Voluntary context switches %ld, Involuntary context switches %ld\n",
 #endif
 #if defined(SAFEMALLOC)
     /* Wait for other threads to free mysys_var */
+#ifdef THREAD
     (void) my_wait_for_other_threads_to_die(1);
+#endif
     TERMINATE(stderr, (infoflag & MY_GIVE_INFO) != 0);
 #elif defined(__WIN__) && defined(_MSC_VER)
    _CrtSetReportMode( _CRT_WARN, _CRTDBG_MODE_FILE );

sql/item_create.cc

@@ -5118,7 +5118,7 @@ create_func_cast(THD *thd, Item *a, Cast_target cast_type,
     CHARSET_INFO *real_cs= (cs ? cs : thd->variables.collation_connection);
     if (c_len == NULL)
     {
-      len= LL(-1);
+      len= (ulong) -1L;
     }
     else
     {

sql/mysqld.cc

@@ -1809,7 +1809,7 @@ void close_connection(THD *thd, uint errcode, bool lock)
 extern "C" sig_handler end_mysqld_signal(int sig __attribute__((unused)))
 {
   DBUG_ENTER("end_mysqld_signal");
-  kill(0, SIGTERM);                             // Take down mysqld nicely 
+  kill_mysql();                                 // Take down mysqld nicely 
   DBUG_VOID_RETURN;				/* purecov: deadcode */
 }
 

sql/protocol.cc

@@ -477,9 +477,10 @@ void Protocol::init(THD *thd_arg)
   for the error.
 */
 
-void Protocol::end_partial_result_set(THD *thd)
+void Protocol::end_partial_result_set(THD *thd_arg)
 {
-  net_send_eof(thd, thd->server_status, 0 /* no warnings, we're inside SP */);
+  net_send_eof(thd_arg, thd_arg->server_status,
+               0 /* no warnings, we're inside SP */);
 }
 
 

sql/sql_class.cc

@@ -1512,7 +1512,7 @@ void THD::rollback_item_tree_changes()
 select_result::select_result()
 {
   thd=current_thd;
-  nest_level= -1;
+  nest_level= (uint) -1;
 }
 
 void select_result::send_error(uint errcode,const char *err)

sql/sql_class.h

@@ -2339,7 +2339,7 @@ public:
      @return
      -1 if nest level is undefined, otherwise a positive integer.
    */
-  int get_nest_level() { return nest_level; }
+  int get_nest_level() { return (int) nest_level; }
 #ifdef EMBEDDED_LIBRARY
   virtual void begin_dataset() {}
 #else

storage/myisam/mi_open.c

@@ -141,8 +141,8 @@ MI_INFO *mi_open(const char *name, int mode, uint open_flags)
 	       (uchar*) myisam_file_magic, 4))
     {
       DBUG_PRINT("error",("Wrong header in %s",name_buff));
-      DBUG_DUMP("error_dump",(char*) share->state.header.file_version,
-		head_length);
+      DBUG_DUMP("error_dump", share->state.header.file_version,
+		(size_t) head_length);
       my_errno=HA_ERR_NOT_A_TABLE;
       goto err;
     }

storage/myisammrg/ha_myisammrg.cc

@@ -404,14 +404,14 @@ static MI_INFO *myisammrg_attach_children_callback(void *callback_param)
 */
 
 int ha_myisammrg::open(const char *name, int mode __attribute__((unused)),
-                       uint test_if_locked)
+                       uint test_if_locked_arg)
 {
   DBUG_ENTER("ha_myisammrg::open");
   DBUG_PRINT("myrg", ("name: '%s'  table: 0x%lx", name, (long) table));
-  DBUG_PRINT("myrg", ("test_if_locked: %u", test_if_locked));
+  DBUG_PRINT("myrg", ("test_if_locked: %u", test_if_locked_arg));
 
   /* Save for later use. */
-  this->test_if_locked= test_if_locked;
+  test_if_locked= test_if_locked_arg;
 
   /* retrieve children table list. */
   my_errno= 0;