bk commit into 5.1 tree (andrey:1.2251)

[ahristov]

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ChangeSet@stripped, 2006-08-11 16:51:50+02:00, andrey@stripped +1 -0
  Fix a crash of SHOW PROCESSLIST

  sql/event_scheduler.cc@stripped, 2006-08-11 16:51:44+02:00, andrey@stripped +6 -3
    Fix a crash when calling show processlist and an event thread is starting.
    Don't add the thread to threads before it is fully initialized.

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	andrey
# Host:	example.com
# Root:	/work/mysql-5.1-runtime-wl3337

--- 1.19/sql/event_scheduler.cc	2006-08-11 16:52:02 +02:00
+++ 1.20/sql/event_scheduler.cc	2006-08-11 16:52:02 +02:00
@@ -123,6 +123,12 @@
     VOID(sigemptyset(&set));                    // Get mask in use
   VOID(pthread_sigmask(SIG_UNBLOCK,&set,&thd->block_signals));
 #endif
+  pthread_mutex_lock(&LOCK_thread_count);
+  threads.append(thd);
+  thread_count++;
+  thread_running++;
+  pthread_mutex_unlock(&LOCK_thread_count);
+
   return FALSE;
 }
 
@@ -182,9 +188,6 @@
   thd->client_capabilities|= CLIENT_MULTI_RESULTS;
   pthread_mutex_lock(&LOCK_thread_count);
   thd->thread_id= thread_id++;
-  threads.append(thd);
-  thread_count++;
-  thread_running++;
   pthread_mutex_unlock(&LOCK_thread_count);
 
   /*