Two threads both try a shutdown sequence which creates a race to the
de-init/free of certain resources.

This exists in similar form in the client as 17926: "mysql.exe crashes
when ctrl-c is pressed in windows."


sql/mysqld.cc:
  We have three potential ways of hitting the iceberg:
  - unireg_end()   has basic de-init
  - unireg_abort() has extended de-init
  - main() has a de-init sequence similar to unireg_abort()
  
  In the Windows version of the server, Control-C is handled
  in a different thread from the one main() is in.  The main
  loop is told to end, then unireg_abort() is called.  Its
  de-init and that of main() will then race each other for
  mutex- and cond-var-destroys, free(), and finally exit().
  
  This patch introduces a special case for Windows that will eliminate
  the race by ending the signal-handler via unireg_end() instead if
  SIGINT is signalled.  This seems the least intrusive fix that still
  fixes user-visible behaviour.

into  mysql.com:/mnt/storeage/mysql-5.0-maint_bug18669


sql/sql_parse.cc:
  Auto merged

into  neptunus.(none):/home/msvensson/mysql/mysql-5.0-maint


mysql-test/r/grant.result:
  Auto merged
mysql-test/t/grant.test:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/sql_acl.cc:
  Auto merged

mysql-test/r/grant.result:
  Reorder test result
mysql-test/t/grant.test:
  Add "use test"
sql/sql_acl.cc:
  Add check if host is NULL
  Add check if grant_name->host.hostname is null

into  neptunus.(none):/home/msvensson/mysql/mysql-5.0

extra/yassl/include/yassl_error.hpp:
  Import patch yassl.diff
extra/yassl/mySTL/stdexcept.hpp:
  Import patch yassl.diff
extra/yassl/src/yassl_error.cpp:
  Import patch yassl.diff
extra/yassl/src/yassl_int.cpp:
  Import patch yassl.diff
extra/yassl/taocrypt/src/integer.cpp:
  Import patch yassl.diff
extra/yassl/taocrypt/src/misc.cpp:
  Import patch yassl.diff

into  neptunus.(none):/home/msvensson/mysql/mysql-5.0-maint


mysql-test/t/grant.test:
  Auto merged
sql/sql_acl.cc:
  Auto merged
mysql-test/r/grant.result:
  SCCS merged

into  neptunus.(none):/home/msvensson/mysql/mysql-5.0-maint


sql/mysqld.cc:
  Auto merged

into  neptunus.(none):/home/msvensson/mysql/mysql-5.0

into  neptunus.(none):/home/msvensson/mysql/mysql-5.0

into  shellback.(none):/home/msvensson/mysql/mysql-5.0

client/mysqldump.c:
  after merge fix.
    - 'lengths' declaration moved to the beginning of the block.

into  neptunus.(none):/home/msvensson/mysql/mysql-5.0


mysys/default.c:
  Auto merged
mysql-test/mysql-test-run.pl:
  Merge backport
mysql-test/mysql-test-run.sh:
  Merge backport
mysql-test/r/mysqldump.result:
  Manual merge
mysql-test/t/mysqldump.test:
  Manual merge

into  mysql.com:/usr/home/ram/work/mysql-5.0


client/mysqldump.c:
  merge (used ul)
mysql-test/r/mysqldump.result:
  merge (used ul)
mysql-test/t/mysqldump.test:
  merge (used ul)

into  mysql.com:/home/emurphy/iggy/mysql-5.0


sql/mysqld.cc:
  Auto merged

into  mysql.com:/home/kgeorge/mysql/5.0/clean

into  mysql.com:/home/kgeorge/mysql/5.0/B18681


sql/sql_acl.cc:
  Auto merged
sql/table.cc:
  Auto merged
mysql-test/r/view_grant.result:
  resolved conflict
mysql-test/t/view_grant.test:
  resolved merge conflict

into  mysql.com:/home/kgeorge/mysql/5.0/B18681


sql/mysql_priv.h:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged

into  mysql.com:/home/kgeorge/mysql/5.0/B14875

When reading a view definition from a .frm file it was
throwing a SQL error if the DEFINER user is not defined.
Changed it to a warning to match the (documented) case
when a view with undefined DEFINER user is created.


mysql-test/r/view_grant.result:
  test case for the bug
mysql-test/t/view_grant.test:
  test case for the bug
sql/sql_acl.cc:
  Initialized the members to no privileges so even if
  the subsequent checks fail it will still initialize
  the security context.
sql/table.cc:
  Turned the error of undefined DEFINER user in reading 
  a view definition to a warning.

The check for view security was lacking several points :
1. Check with the right set of permissions : for each table ref that
participates in a view there were the right credentials to use in it's
security_ctx member, but these weren't used for checking the credentials.
This makes hard enforcing the SQL SECURITY DEFINER|INVOKER property
consistently.
2. Because of the above the security checking for views was just ruled out
in explicit ways in several places.
3. The security was checked only for the columns of the tables that are
brought into the query from a view. So if there is no column reference
outside of the view definition it was not detecting the lack of access to
the tables in the view in SQL SECURITY INVOKER mode.

The fix below tries to fix the above 3 points.


mysql-test/r/grant.result:
  removed nondeterminism (unspecified order) in some test output
mysql-test/r/view_grant.result:
  Somewhat extended test case for the bug and similar queries.
mysql-test/t/grant.test:
  removed nondeterminism (unspecified order) in some test output
mysql-test/t/view_grant.test:
  Somewhat extended test case for the bug and similar queries.
sql/mysql_priv.h:
  A wrapper for setup_tables that also checks access to the tables
sql/sql_acl.cc:
  removed artificial security check stop and used the table ref's credentials.
sql/sql_base.cc:
  a wrapper for setup_tables to check access to the tables
sql/sql_delete.cc:
  wrapper called.
sql/sql_insert.cc:
  wrapper called
sql/sql_load.cc:
  wrapper called
sql/sql_parse.cc:
  wrapper called and artificial check stop removed
sql/sql_select.cc:
  wrapper called
sql/sql_update.cc:
  wrapper called
sql/table.cc:
  Mask table access to the view error as well.

sql/ha_ndbcluster.cc:
  compile fix for Solaris 10 AMD64 -max GCC

into  mysql.com:/space/pekka/ndb/version/my50-bug14509

into  mysql.com:/space/pekka/ndb/version/my50-bug14509


ndb/src/ndbapi/DictCache.cpp:
  Auto merged
ndb/src/ndbapi/DictCache.hpp:
  Auto merged
sql/ha_ndbcluster.cc:
  Auto merged

into  mysql.com:/home/kgeorge/mysql/5.0/clean

into  mysql.com:/home/kgeorge/mysql/5.0/B18742-2

into  mysql.com:/home/kgeorge/mysql/5.0/B18742-2

into  mysql.com:/home/kgeorge/mysql/5.0/B19700


sql/item.h:
  Auto merged

  
The unsigned flag in Item was not propagated through the single value subqueries.
This caused the result to be treated as signed.


mysql-test/r/subselect.result:
  Added testcases for bug #19700
mysql-test/t/subselect.test:
  Added testcases for bug #19700
sql/item.h:
  Preserved the unsigned flag in Item_subselect
sql/item_subselect.cc:
  Preserved the unsigned flag in Item_subselect

into  mysql.com:/home/my/mysql-5.0

into  mysql.com:/home/my/mysql-5.0


sql/mysqld.cc:
  Auto merged

Replaced COND_refresh with COND_global_read_lock becasue of a bug in NTPL threads when using different mutexes as arguments to pthread_cond_wait()
The original code caused a hang in FLUSH TABLES WITH READ LOCK in some circumstances because pthread_cond_broadcast() was not delivered to other threads.
This fixes:
Bug#16986: Deadlock condition with MyISAM tables
Bug#20048: FLUSH TABLES WITH READ LOCK causes a deadlock


mysql-test/r/flush.result:
  Added test case for deadlock with FLUSH TABLES WITH READ LOCK
mysql-test/r/lock_multi.result:
  Test for bug in LOCK TABLE + optimize table
mysql-test/t/flush.test:
  Added test case for deadlock with FLUSH TABLES WITH READ LOCK
mysql-test/t/lock_multi.test:
  Test for bug in LOCK TABLE + optimize table
sql/lock.cc:
  Replaced COND_refresh with COND_global_read_lock becasue of a bug in NTPL threads when using different mutexes as arguments to pthread_cond_wait()
  The original code caused a hang in FLUSH TABLES WITH READ LOCK in some circumstances because pthread_cond_broadcast() was not delivered to other threads
sql/mysql_priv.h:
  Added COND_global_read_lock
sql/mysqld.cc:
  Added COND_global_read_lock
sql/sql_base.cc:
  More DBUG statements
  Added a broadcast in remove_table_from_cache() to release any threads waiting in open

into  april.(none):/home/svoj/devel/mysql/BUG17001/mysql-5.0

Changed COM_STATISTICS to display the global status, instead of thead status, for slow queries and table opens.


sql/sql_parse.cc:
  Calculate and display the global statistics.

into  mysql.com:/home/emurphy/src/bk-clean/mysql-5.0-bug19394


sql/mysqld.cc:
  Auto merged

into  april.(none):/home/svoj/devel/mysql/BUG17001/mysql-5.0

into  mysql.com:/opt/local/work/mysql-5.0-runtime