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std::timed_mutex::try_lock_until

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< cpp‎ | thread‎ | timed mutex

 
 
Thema Support-Bibliothek
Threads
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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
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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)
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std::timed_mutex
Member-Funktionen
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Member functions
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timed_mutex::timed_mutex
Sperren
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Locking
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timed_mutex::lock
timed_mutex::try_lock
timed_mutex::try_lock_for
timed_mutex::try_lock_until
timed_mutex::unlock
Ureinwohner Griff
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Native handle
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timed_mutex::native_handle
 
template< class Clock, class Duration >
bool try_lock_until( const std::chrono::time_point<Clock,Duration>& timeout_time );
(seit C++11)
Versucht, den Mutex zu sperren. Blöcke bis angegebenen timeout_time erreicht wurde oder das Schloss erworben, was zuerst eintritt. Bei erfolgreicher Sperre Akquisition Renditen true, ansonsten false. Darf nicht länger als bis zum timeout_time erreicht worden blockieren .
Original:
Tries to lock the mutex. Blocks until specified timeout_time has been reached or the lock is acquired, whichever comes first. On successful lock acquisition returns true, otherwise returns false. May block for longer than until timeout_time has been reached.
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Inhaltsverzeichnis

[Bearbeiten] Parameter

timeout_time -
maximale Zeitpunkt, bis zu blockieren
Original:
maximum time point to block until
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[Bearbeiten] Rückgabewert

true wenn die Sperre wurde erfolgreich erfasst, sonst false .
Original:
true if the lock was acquired successfully, otherwise false.
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[Bearbeiten] Ausnahmen

[Bearbeiten] Beispiel

Dieses Beispiel zeigt eine 2 Minuten-Block
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This example shows a two minute block
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#include <iostream>
#include <ctime>
#include <chrono>
#include <mutex>
 
int main()
{
    std::timed_mutex test;
    test.try_lock();
    auto now=std::chrono::steady_clock::now();
    test.try_lock_until(now+std::chrono::minutes(2));
    std::cout << "hello world";
 
}


[Bearbeiten] Siehe auch

sperrt den Mutex, blockiert wenn der Mutex nicht verfügbar ist
(öffentliche Elementfunktion) [edit]
versucht den Mutex zu sperren,kehrt zurueck wenn der Mutex nicht verfügbar ist
(öffentliche Elementfunktion) [edit]
versucht, den Mutex zu sperren, kehrt zurück, wenn der Mutex hat been
unavailable für das angegebene Timeout-Dauer
Original:
tries to lock the mutex, returns if the mutex has been
unavailable for the specified timeout duration
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(öffentliche Elementfunktion) [edit]
das Mutex wieder aufgehoben
Original:
unlocks the mutex
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(öffentliche Elementfunktion) [edit]