#include <sync0sync.h>
Collaboration diagram for ib_mutex_t:
Data Fields | |
| os_event_t | event |
| volatile lock_word_t | lock_word |
| os_fast_mutex_t | os_fast_mutex |
| ulint | waiters |
| ut_list_node< ib_mutex_t > | list |
| const char * | file_name |
| ulint | line |
| ulint | level |
| const char * | cfile_name |
| ulint | cline |
| ulong | count_os_wait |
| os_thread_id_t | thread_id |
| ulint | magic_n |
| const char * | cmutex_name |
| ulint | ib_mutex_type |
Detailed Description
InnoDB mutex
Field Documentation
| const char* ib_mutex_t::cfile_name |
File name where mutex created
| ulint ib_mutex_t::cline |
Line where created
| const char* ib_mutex_t::cmutex_name |
mutex name
| ulong ib_mutex_t::count_os_wait |
count of os_wait
| os_event_t ib_mutex_t::event |
Used by sync0arr.cc for the wait queue
| const char* ib_mutex_t::file_name |
File where the mutex was locked
| ulint ib_mutex_t::ib_mutex_type |
0=usual mutex, 1=rw_lock mutex
| ulint ib_mutex_t::level |
Level in the global latching order
| ulint ib_mutex_t::line |
Line where the mutex was locked
| ut_list_node< ib_mutex_t > ib_mutex_t::list |
All allocated mutexes are put into a list. Pointers to the next and prev.
| volatile lock_word_t ib_mutex_t::lock_word |
lock_word is the target of the atomic test-and-set instruction when atomic operations are enabled.
| ulint ib_mutex_t::magic_n |
MUTEX_MAGIC_N
| os_fast_mutex_t ib_mutex_t::os_fast_mutex |
We use this OS mutex in place of lock_word when atomic operations are not enabled
| os_thread_id_t ib_mutex_t::thread_id |
The thread id of the thread which locked the mutex.
| ulint ib_mutex_t::waiters |
This ulint is set to 1 if there are (or may be) threads waiting in the global wait array for this mutex to be released. Otherwise, this is 0.
The documentation for this struct was generated from the following file:
- include/sync0sync.h
