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std::unique_lock::operator bool

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< cpp‎ | thread‎ | unique lock

 
 
Thema Support-Bibliothek
Threads
Original:
Threads
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thread(C++11)
this_thread Namespace
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this_thread namespace
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get_id(C++11)
yield(C++11)
sleep_for(C++11)
sleep_until(C++11)
Gegenseitigen Ausschluss
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Mutual exclusion
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mutex(C++11)
timed_mutex(C++11)
Generische Sperrverwaltung
Original:
Generic lock management
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lock_guard(C++11)
unique_lock(C++11)
defer_lock_t
try_to_lock_t
adopt_lock_t
(C++11)
(C++11)
(C++11)
lock(C++11)
try_lock(C++11)
defer_lock
try_to_lock
adopt_lock
(C++11)
(C++11)
(C++11)
Zustand Variablen
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Condition variables
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condition_variable(C++11)
condition_variable_any(C++11)
notify_all_at_thread_exit(C++11)
cv_status(C++11)
Futures
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Futures
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promise(C++11)
future(C++11)
shared_future(C++11)
packaged_task(C++11)
async(C++11)
launch(C++11)
future_status(C++11)
future_error(C++11)
future_category(C++11)
future_errc(C++11)
 
std::unique_lock
Member-Funktionen
Original:
Member functions
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unique_lock::unique_lock
unique_lock::~unique_lock
unique_lock::operator=
Sperren
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Locking
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unique_lock::lock
unique_lock::try_lock
unique_lock::try_lock_for
unique_lock::try_lock_until
unique_lock::unlock
Modifiers
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Modifiers
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unique_lock::swap
unique_lock::release
Beobachter
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Observers
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unique_lock::mutex
unique_lock::owns_lock
unique_lock::operator bool
Non-Member-Funktionen
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Non-member functions
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std::swap
 
explicit operator bool() const;
(seit C++11)
Überprüft, ob *this einen gesperrten Mutex oder nicht besitzt. Effektiv nennt owns_lock() .
Original:
Checks whether *this owns a locked mutex or not. Effectively calls owns_lock().
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Inhaltsverzeichnis

[Bearbeiten] Parameter

(None)
Original:
(none)
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[Bearbeiten] Rückgabewert

true wenn *this hat einen zugeordneten Mutex und erworben hat Eigentum, false sonst .
Original:
true if *this has an associated mutex and has acquired ownership of it, false otherwise.
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[Bearbeiten] Ausnahmen

noexcept specification:  
noexcept
  (seit C++11)

[Bearbeiten] Siehe auch

Tests, ob die Sperre der zugehörigen Mutex besitzt
Original:
tests whether the lock owns its associated mutex
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(öffentliche Elementfunktion) [edit]