stack too small on labrador (again!)

increase the thread stack a bit for main.signal_demo3
and sys_vars.max_sp_recursion_depth_func to stop failing

include/my_pthread.h

@@ -714,7 +714,7 @@ extern void my_mutex_end(void);
   We need to have at least 256K stack to handle calls to myisamchk_init()
   with the current number of keys and key parts.
 */
-#define DEFAULT_THREAD_STACK	(288*1024L)
+#define DEFAULT_THREAD_STACK	(289*1024L)
 #endif
 
 #define MY_PTHREAD_LOCK_READ 0

mysql-test/r/mysqld--help,win.rdiff

@@ -133,6 +133,6 @@
 -thread-pool-oversubscribe 3
 -thread-pool-stall-limit 500
 +thread-pool-min-threads 1
- thread-stack 294912
+ thread-stack 295936
  time-format %H:%i:%s
  timed-mutexes FALSE

mysql-test/r/mysqld--help.result

@@ -1430,7 +1430,7 @@ thread-pool-idle-timeout 60
 thread-pool-max-threads 1000
 thread-pool-oversubscribe 3
 thread-pool-stall-limit 500
-thread-stack 294912
+thread-stack 295936
 time-format %H:%i:%s
 timed-mutexes FALSE
 tmp-table-size 16777216

mysql-test/suite/sys_vars/r/sysvars_server_embedded.result

@@ -3861,9 +3861,9 @@ READ_ONLY	YES
 COMMAND_LINE_ARGUMENT	REQUIRED
 VARIABLE_NAME	THREAD_STACK
 SESSION_VALUE	NULL
-GLOBAL_VALUE	294912
+GLOBAL_VALUE	295936
 GLOBAL_VALUE_ORIGIN	COMPILE-TIME
-DEFAULT_VALUE	294912
+DEFAULT_VALUE	295936
 VARIABLE_SCOPE	GLOBAL
 VARIABLE_TYPE	BIGINT UNSIGNED
 VARIABLE_COMMENT	The stack size for each thread

mysql-test/suite/sys_vars/r/sysvars_server_notembedded.result

@@ -4631,9 +4631,9 @@ READ_ONLY	NO
 COMMAND_LINE_ARGUMENT	REQUIRED
 VARIABLE_NAME	THREAD_STACK
 SESSION_VALUE	NULL
-GLOBAL_VALUE	294912
+GLOBAL_VALUE	295936
 GLOBAL_VALUE_ORIGIN	COMPILE-TIME
-DEFAULT_VALUE	294912
+DEFAULT_VALUE	295936
 VARIABLE_SCOPE	GLOBAL
 VARIABLE_TYPE	BIGINT UNSIGNED
 VARIABLE_COMMENT	The stack size for each thread

mysql-test/suite/sys_vars/r/thread_stack_basic.result

 select @@global.thread_stack;
 @@global.thread_stack
-294912
+295936
 select @@session.thread_stack;
 ERROR HY000: Variable 'thread_stack' is a GLOBAL variable
 show global variables like 'thread_stack';
 Variable_name	Value
-thread_stack	294912
+thread_stack	295936
 show session variables like 'thread_stack';
 Variable_name	Value
-thread_stack	294912
+thread_stack	295936
 select * from information_schema.global_variables where variable_name='thread_stack';
 VARIABLE_NAME	VARIABLE_VALUE
-THREAD_STACK	294912
+THREAD_STACK	295936
 select * from information_schema.session_variables where variable_name='thread_stack';
 VARIABLE_NAME	VARIABLE_VALUE
-THREAD_STACK	294912
+THREAD_STACK	295936
 set global thread_stack=1;
 ERROR HY000: Variable 'thread_stack' is a read only variable
 set session thread_stack=1;