MySQL 8.4.3
Source Code Documentation
rwlock_scoped_lock.h
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23
24#ifndef MYSQL_RWLOCK_SCOPED_LOCK_H
25#define MYSQL_RWLOCK_SCOPED_LOCK_H
26
28
29/**
30 Locks RW-lock and releases lock on scope exit.
31*/
33 public:
35 const char *file, int line);
39
41
42 private:
44};
45
46#endif /* MYSQL_RWLOCK_SCOPE_LOCK_H */
Locks RW-lock and releases lock on scope exit.
Definition: rwlock_scoped_lock.h:32
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:42
rwlock_scoped_lock(const rwlock_scoped_lock &)=delete
rwlock_scoped_lock & operator=(const rwlock_scoped_lock &)=delete
mysql_rwlock_t * m_lock
Definition: rwlock_scoped_lock.h:43
~rwlock_scoped_lock()
Definition: rwlock_scoped_lock.cc:69
Definition: os0file.h:89
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:314
Provides atomic access in shared-exclusive modes.
Definition: shared_spin_lock.h:79
Instrumentation helpers for rwlock.
An instrumented rwlock structure.
Definition: mysql_rwlock_bits.h:51