MySQL  8.0.17
Source Code Documentation
rwlock_scoped_lock.h
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22 
23 #ifndef MYSQL_RWLOCK_SCOPED_LOCK_H
24 #define MYSQL_RWLOCK_SCOPED_LOCK_H
25 
26 #include "mysql/psi/mysql_rwlock.h"
27 
28 /**
29  Locks RW-lock and releases lock on scope exit.
30 */
32  public:
34  const char *file, int line);
36  rwlock_scoped_lock(const rwlock_scoped_lock &) = delete;
38 
40 
41  private:
43 };
44 
45 #endif /* MYSQL_RWLOCK_SCOPE_LOCK_H */
mysql_rwlock_t * m_lock
Definition: rwlock_scoped_lock.h:42
static bool lock_for_write(THD *thd, const MDL_key &mdl_key)
Lock a column statistic MDL key for writing (exclusive lock).
Definition: histogram.cc:203
Instrumentation helpers for rwlock.
rwlock_scoped_lock & operator=(const rwlock_scoped_lock &)=delete
~rwlock_scoped_lock()
Definition: rwlock_scoped_lock.cc:67
An instrumented rwlock structure.
Definition: mysql_rwlock_bits.h:50
Locks RW-lock and releases lock on scope exit.
Definition: rwlock_scoped_lock.h:31
rwlock_scoped_lock(mysql_rwlock_t *lock, bool lock_for_write, const char *file, int line)
Acquires lock on specified lock object.
Definition: rwlock_scoped_lock.cc:41