CppUtils::Thread::MultipleAccessor<class... Lockers>

RAII structure locking multiple lockers simultaneously without deadlocks.

Description

Uses std::scoped_lock internally to acquire all locks atomically in a deadlock-free manner, regardless of the order lockers are passed across different threads.

Guide associé

Consultez le Guide de synchronisation RAII pour une explication détaillée et des exemples d’utilisation.

auto account0 = CppUtils::Thread::UniqueLocker<Account>{};
auto account1 = CppUtils::Thread::UniqueLocker<Account>{};

{
    auto lockBoth = CppUtils::Thread::MultipleAccessor{account0, account1};
    auto& [firstAccount, secondAccount] = lockBoth.values;
    firstAccount.withdraw(100);
    secondAccount.deposit(100);
}

Paramètre template	Description
Lockers	Variadic list of locker types to lock simultaneously.

Méthodes et fonctions publiques

constexpr MultipleAccessor::MultipleAccessor(Lockers&... lockers);

Locks all provided lockers atomically.

Paramètre	Description
lockers	Variadic references to lockers to lock.

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Attributs publics

values

std::tuple< decltype(std::declval< Lockers >().m_value)&... > values;