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4dfbf2ec93
The problem here is that embedded server starts handle_thread manager
thread on mysql_library_init() does not stop it on mysql_library_end().
At shutdown, my_thread_global_end() waits for thread count to become 0,
but since we did not stop the thread it will give up after 5 seconds.
Solution is to move shutdown for handle_manager thread from kill_server()
(mysqld specific) to clean_up() that is used by both embedded and mysqld.
This patch also contains some refactorings - to avoid duplicate code,
start_handle_manager() and stop_handle_manager() functions are introduced.
Unused variables are eliminated. handle_manager does not rely on global
variable abort_loop anymore to stop (abort_loop is not set for embedded).
Note: Specifically on Windows and when using DBUG version of libmysqld,
the complete solution requires removing obsolete code my_thread_init()
from my_thread_var(). This has a side effect that a DBUG statement
after my_thread_end() can cause thread counter to be incremented, and
embedded will hang for some seconds. Or worse, my_thread_init() will
crash if critical sections have been deleted by the global cleanup
routine that runs in a different thread.
This patch also fixes and revert prior changes for Bug#38293
"Libmysqld crash in mysql_library_init if language file missing".
Root cause of the crash observed in Bug#38293 was bug in my_thread_init()
described above
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| .. | ||
| .cvsignore | ||
| CMakeLists.txt | ||
| dbug.c | ||
| dbug_add_tags.pl | ||
| dbug_analyze.c | ||
| dbug_long.h | ||
| doinstall.sh | ||
| example1.c | ||
| example2.c | ||
| example3.c | ||
| factorial.c | ||
| install.sh | ||
| main.c | ||
| Makefile.am | ||
| mklintlib.sh | ||
| monty.doc | ||
| my_main.c | ||
| qmake.cmd | ||
| sanity.c | ||
| user.r | ||
| vargs.h | ||