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std::recursive_mutex

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C++
 
Thema Support-Bibliothek
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)
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Gegenseitigen Ausschluss
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Mutual exclusion
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mutex(C++11)
timed_mutex(C++11)
recursive_mutex(C++11)
recursive_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)
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std::recursive_mutex
Member-Funktionen
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Member functions
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recursive_mutex::recursive_mutex
Sperren
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Locking
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recursive_mutex::lock
recursive_mutex::try_lock
recursive_mutex::unlock
Ureinwohner Griff
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Native handle
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recursive_mutex::native_handle
 
definiert in Header <mutex>
class recursive_mutex;
 (seit C++11)
Die recursive_mutex Klasse ist ein Synchronisierungsgrundeinheit, die verwendet werden, um gemeinsame Daten aus gleichzeitig von mehreren Threads zugegriffen schützen können .
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The recursive_mutex class is a synchronization primitive that can be used to protect shared data from being simultaneously accessed by multiple threads.
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recursive_mutex bietet exklusive, rekursive Eigentum Semantik:
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recursive_mutex offers exclusive, recursive ownership semantics:
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  • Ein aufrufenden Threads' besitzt eine recursive_mutex für eine Zeitspanne, die beim Aufrufen erfolgreich entweder lock oder try_lock beginnt. Während dieser Zeit kann sich der Faden zusätzliche Anrufe lock oder try_lock machen. Der Zeitraum des Besitzes endet, wenn der Thread macht eine passende Anzahl von Anrufen unlock .
    Original:
    A calling thread owns a recursive_mutex for a period of time that starts when it successfully calls either lock or try_lock. During this period, the thread may make additional calls to lock or try_lock. The period of ownership ends when the thread makes a matching number of calls to unlock.
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  • Wenn ein Thread eine recursive_mutex besitzt, werden alle anderen Threads blockieren (für Anrufe in lock) oder erhalten eine false Rückgabewert (für try_lock), wenn sie das Eigentum an der recursive_mutex behaupten versuchen .
    Original:
    When a thread owns a recursive_mutex, all other threads will block (for calls to lock) or receive a false return value (for try_lock) if they attempt to claim ownership of the recursive_mutex.
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  • Die maximale Anzahl, wie oft ein recursive_mutex gesperrt werden kann, ist unbegrenzt, aber nach, dass Anzahl erreicht ist, werden Anrufe an lock wird std::system_error werfen und ruft try_lock zurückkehren false .
    Original:
    The maximum number of times that a recursive_mutex may be locked is unspecified, but after that number is reached, calls to lock will throw std::system_error and calls to try_lock will return false.
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Das Verhalten eines Programms ist nicht definiert, wenn ein recursive_mutex zerstört wird, während noch von einem Thread gehört. Die recursive_mutex Klasse ist nicht kopierbar .
Original:
The behavior of a program is undefined if a recursive_mutex is destroyed while still owned by some thread. The recursive_mutex class is non-copyable.
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Inhaltsverzeichnis

[Bearbeiten] Mitglied Typen

Mitglied Typ
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Member type
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 Definition
native_handle_type
Implementierung definiert
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implementation-defined
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[Bearbeiten] Member-Funktionen

 konstruiert den Mutex
(öffentliche Elementfunktion) [edit]
Sperren
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Locking
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 sperrt den Mutex, blockiert wenn der Mutex nicht verfügbar ist
(öffentliche Elementfunktion) [edit]
versucht den Mutex zu sperren und kehrt zurück, wenn der Mutex nicht verfügbar ist
(öffentliche Elementfunktion) [edit]
entsperrt den Mutex
(öffentliche Elementfunktion) [edit]
Ureinwohner Griff
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Native handle
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 gibt das zugrunde liegende implementierungsabhängige Thread-Handle zurück
(öffentliche Elementfunktion) [edit]
Von „https://de.cppreference.com/mwiki/index.php?title=cpp/thread/recursive_mutex&oldid=28057“