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Bug#43733 Select on processlist let the embedded server crash (concurrent_innodb_safelog)

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the thread->mysys_var parameter should be empty for the idle
    embedded-server threads so that working threads can safely free
    this memory.

per-file comments:
  libmysqld/lib_sql.cc
Bug#43733      Select on processlist let the embedded server crash (concurrent_innodb_safelog)
    set thread->mysys_var= 0 after the query is handled

  mysql-test/include/concurrent.inc
Bug#43733      Select on processlist let the embedded server crash (concurrent_innodb_safelog)
    enable these for the embedded-server mode

  sql/sql_show.cc
Bug#43733      Select on processlist let the embedded server crash (concurrent_innodb_safelog)
    show thread lock status in the query result
This commit is contained in:
Alexey Botchkov
2009-06-04 23:36:34 +05:00
parent 744373ecc0
commit 1738021407
3 changed files with 4 additions and 3 deletions
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3
libmysqld/lib_sql.cc
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@ -142,6 +142,8 @@ emb_advanced_command(MYSQL *mysql, enum enum_server_command command,
if (!skip_check)
result= thd->is_error() ? -1 : 0;
thd->mysys_var= 0;
#if defined(ENABLED_PROFILING) && defined(COMMUNITY_SERVER)
thd->profiling.finish_current_query();
#endif
@ -634,6 +636,7 @@ void *create_embedded_thd(int client_flag)
thread_count++;
threads.append(thd);
thd->mysys_var= 0;
return thd;
err:
delete(thd);