Model Types
spin_rw_mutex
and queuing_rw_mutex
model the ReaderWriterMutex Concept.
-
ReaderWriterMutex()
Effect: constructs an unlocked
ReaderWriterMutex
.-
~ReaderWriterMutex()
Effect: destroys an unlocked
ReaderWriterMutex
. The effect of destroying a lockedReaderWriterMutex
is undefined.-
ReaderWriterMutex::scoped_lock()
Effect: constructs a
scoped_lock
object that does not hold a lock on any mutex.-
ReaderWriterMutex::scoped_lock( ReaderWriterMutex& rw, bool write=true)
Effect: constructs a
scoped_lock
object that acquires a lock on mutexrw
. The lock is a writer lock ifwrite
istrue
; it is a reader lock otherwise.-
ReaderWriterMutex::~scoped_lock()
Effect: if the object is holding a lock on a
ReaderWriterMutex
, releases the lock.-
void ReaderWriterMutex:: scoped_lock:: acquire( ReaderWriterMutex& rw, bool write=true)
Effect: acquires a lock on mutex
rw
. The lock is a writer lock ifwrite
istrue
; it is a reader lock otherwise.-
bool ReaderWriterMutex:: scoped_lock::try_acquire( ReaderWriterMutex& rw, bool write=true)
Effect: attempts to acquire a lock on mutex
rw
. The lock is a writer lock ifwrite
istrue
; it is a reader lock otherwise.Returns:
true
if the lock is acquired,false
otherwise.-
voidReaderWriterMutex:: scoped_lock::release()
Effect: releases the lock. The effect is undefined if no lock is held.
-
bool ReaderWriterMutex:: scoped_lock::upgrade_to_writer()
Effect: changes a reader lock to a writer lock. The effect is undefined if the object does not already hold a reader ...
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