Fix insert delated + query cache.

Fix pthread_mutex_trylock on HPUX (needed for query cache).


include/my_pthread.h:
  Fixed mutex problem with pthread_mutex_trylock on HPUX.
mysql-test/mysql-test-run.sh:
  Wait for .pid file instead of .sock, because .pid is created later.
mysql-test/r/query_cache.result:
  Test insert delated + query cache
mysql-test/t/query_cache.test:
  Test insert delated + query cache
mysys/my_pthread.c:
  Fixed mutex problem with pthread_mutex_trylock on HPUX.
sql/repl_failsafe.cc:
  Safety
sql/sql_insert.cc:
  Fix insert delated + query cache

include/my_pthread.h

@@ -448,8 +448,10 @@ struct hostent *my_gethostbyname_r(const char *name,
 
 #if defined(HPUX) && !defined(DONT_REMAP_PTHREAD_FUNCTIONS)
 #define pthread_cond_timedwait(a,b,c) my_pthread_cond_timedwait((a),(b),(c))
+#define pthread_mutex_trylock(a) my_pthread_mutex_trylock((a)) 
 int my_pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex,
 			      struct timespec *abstime);
+int my_pthread_mutex_trylock(pthread_mutex_t *mutex);
 #endif
 
 	/* safe_mutex adds checking to mutex for easier debugging */

mysql-test/mysql-test-run.sh

@@ -774,7 +774,7 @@ EOF
   else
     manager_launch master $MYSQLD $master_args
   fi
-  sleep_until_file_exists $MASTER_MYSOCK $wait_for_master
+  sleep_until_file_exists $MASTER_MYPID $wait_for_master
   wait_for_master=$SLEEP_TIME_FOR_SECOND_MASTER
   MASTER_RUNNING=1
 }
@@ -874,7 +874,7 @@ start_slave()
     manager_launch $slave_ident $SLAVE_MYSQLD $slave_args
   fi
   eval "SLAVE$1_RUNNING=1"
-  sleep_until_file_exists $slave_sock $wait_for_slave
+  sleep_until_file_exists $slave_pid $wait_for_slave
   wait_for_slave=$SLEEP_TIME_FOR_SECOND_SLAVE
 }
 

mysql-test/r/query_cache.result

@@ -376,3 +376,34 @@ show status like "Qcache_queries_in_cache";
 Variable_name	Value
 Qcache_queries_in_cache	2
 drop table t1;
+flush query cache;
+reset query cache;
+create table t1 (a int not null);
+insert into t1 values (1),(2),(3);
+select * from t1;
+a
+1
+2
+3
+select * from t1;
+a
+1
+2
+3
+show status like "Qcache_queries_in_cache";
+Variable_name	Value
+Qcache_queries_in_cache	1
+insert delayed into t1 values (4);
+select a from t1;
+a
+1
+2
+3
+4
+show status like "Qcache_queries_in_cache";
+Variable_name	Value
+Qcache_queries_in_cache	1
+drop table t1;
+show status like "Qcache_queries_in_cache";
+Variable_name	Value
+Qcache_queries_in_cache	0

mysql-test/t/query_cache.test

@@ -247,6 +247,7 @@ select * from foo.t1;
 show status like "Qcache_queries_in_cache";
 drop database foo;
 show status like "Qcache_queries_in_cache";
+
 #
 # Charset convertion (cp1251_koi8 always present)
 #
@@ -263,3 +264,22 @@ drop table t1;
 #  machines :(
 #show variables like "query_cache_size";
 #show status like "Qcache_free_memory";
+
+#
+# Test insert delayed
+#
+
+flush query cache;
+reset query cache;
+
+create table t1 (a int not null);
+insert into t1 values (1),(2),(3);
+select * from t1;
+select * from t1;
+show status like "Qcache_queries_in_cache";
+insert delayed into t1 values (4);
+--sleep 5	# Wait for insert delayed to be executed.
+select a from t1;
+show status like "Qcache_queries_in_cache";
+drop table t1;
+show status like "Qcache_queries_in_cache";

mysys/my_pthread.c

@@ -471,6 +471,8 @@ struct hostent *my_gethostbyname_r(const char *name,
   this has to be added here.
 *****************************************************************************/
 
+#ifdef HPUX
+
 int my_pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex,
 			      struct timespec *abstime)
 {
@@ -483,6 +485,18 @@ int my_pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex,
 }
 
 
+int my_pthread_mutex_trylock(pthread_mutex_t *mutex)
+{
+  int error=pthread_mutex_trylock(mutex);
+  if (error == 1)			/* Safety if the lib is fixed */
+    return 0;				/* Mutex was locked */
+  if (error == -1)			/* Safety if the lib is fixed */
+    error=errno;
+   return error;
+}
+
+#endif
+
 /* Some help functions */
 
 int pthread_no_free(void *not_used __attribute__((unused)))

sql/repl_failsafe.cc

@@ -191,11 +191,13 @@ void init_slave_list()
 
 void end_slave_list()
 {
-  pthread_mutex_lock(&LOCK_slave_list);
+  /* No protection by a mutex needed as we are only called at shutdown */
+  if (hash_inited(&slave_list))
+  {
     hash_free(&slave_list);
-  pthread_mutex_unlock(&LOCK_slave_list);
     pthread_mutex_destroy(&LOCK_slave_list);
   }
+}
 
 static int find_target_pos(LEX_MASTER_INFO* mi, IO_CACHE* log, char* errmsg)
 {

sql/sql_insert.cc

@@ -1227,6 +1227,7 @@ bool delayed_insert::handle_inserts(void)
 	  sql_print_error("%s",thd.net.last_error);
 	  goto err;
 	}
+	query_cache.invalidate(table);
 	if (thr_reschedule_write_lock(*thd.lock->locks))
 	{
 	  /* This should never happen */
@@ -1251,6 +1252,7 @@ bool delayed_insert::handle_inserts(void)
     sql_print_error("%s",thd.net.last_error);
     goto err;
   }
+  query_cache.invalidate(table);
   pthread_mutex_lock(&mutex);
   DBUG_RETURN(0);