Standardbibliothek-Header <stdatomic.h>
Von cppreference.com
Dieser Header war ursprünglich Teil der C-Standardbibliothek.
Dieser Header ist Teil der Concurrency Support-Bibliothek.
Es ist nicht spezifiziert, ob <stdatomic.h> Deklarationen im Namespace std bereitstellt.
Makros | ||
| (C++23) |
Makro zur Kompatibilität, sodass _Atomic(T) identisch ist mit std::atomic<T> (Funktionsmakro) | |
| (C++11) |
initialisiert ein std::atomic_flag auf false (Makro-Konstante) | |
Typen | ||
| (C++11) |
der sperrfreie boolesche atomare Typ (Klasse) | |
| (C++11) |
definiert Speicherordnungseinschränkungen für die gegebene atomare Operation (Enum) | |
| (C++11) |
std::atomic<bool> (typedef) | |
| (C++11) |
std::atomic<char> (typedef) | |
| (C++11) |
std::atomic<signed char> (typedef) | |
| (C++11) |
std::atomic<unsigned char> (typedef) | |
| (C++11) |
std::atomic<short> (typedef) | |
| (C++11) |
std::atomic<unsigned short> (typedef) | |
| (C++11) |
std::atomic<int> (typedef) | |
| (C++11) |
std::atomic<unsigned int> (typedef) | |
| (C++11) |
std::atomic<long> (typedef) | |
| (C++11) |
std::atomic<unsigned long> (typedef) | |
| (C++11) |
std::atomic<long long> (typedef) | |
| (C++11) |
std::atomic<unsigned long long> (typedef) | |
| (C++20) |
std::atomic<char8_t> (typedef) | |
| (C++11) |
std::atomic<char16_t> (typedef) | |
| (C++11) |
std::atomic<char32_t> (typedef) | |
| (C++11) |
std::atomic<wchar_t> (typedef) | |
| (C++11)(optional) |
std::atomic<std::int8_t> (typedef) | |
| (C++11)(optional) |
std::atomic<std::uint8_t> (typedef) | |
| (C++11)(optional) |
std::atomic<std::int16_t> (typedef) | |
| (C++11)(optional) |
std::atomic<std::uint16_t> (typedef) | |
| (C++11)(optional) |
std::atomic<std::int32_t> (typedef) | |
| (C++11)(optional) |
std::atomic<std::uint32_t> (typedef) | |
| (C++11)(optional) |
std::atomic<std::int64_t> (typedef) | |
| (C++11)(optional) |
std::atomic<std::uint64_t> (typedef) | |
| (C++11) |
std::atomic<std::int_least8_t> (typedef) | |
| (C++11) |
std::atomic<std::uint_least8_t> (typedef) | |
| (C++11) |
std::atomic<std::int_least16_t> (typedef) | |
| (C++11) |
std::atomic<std::uint_least16_t> (typedef) | |
| (C++11) |
std::atomic<std::int_least32_t> (typedef) | |
| (C++11) |
std::atomic<std::uint_least32_t> (typedef) | |
| (C++11) |
std::atomic<std::int_least64_t> (typedef) | |
| (C++11) |
std::atomic<std::uint_least64_t> (typedef) | |
| (C++11) |
std::atomic<std::int_fast8_t> (typedef) | |
| (C++11) |
std::atomic<std::uint_fast8_t> (typedef) | |
| (C++11) |
std::atomic<std::int_fast16_t> (typedef) | |
| (C++11) |
std::atomic<std::uint_fast16_t> (typedef) | |
| (C++11) |
std::atomic<std::int_fast32_t> (typedef) | |
| (C++11) |
std::atomic<std::uint_fast32_t> (typedef) | |
| (C++11) |
std::atomic<std::int_fast64_t> (typedef) | |
| (C++11) |
std::atomic<std::uint_fast64_t> (typedef) | |
| (C++11)(optional) |
std::atomic<std::intptr_t> (typedef) | |
| (C++11)(optional) |
std::atomic<std::uintptr_t> (typedef) | |
| (C++11) |
std::atomic<std::size_t> (typedef) | |
| (C++11) |
std::atomic<std::ptrdiff_t> (typedef) | |
| (C++11) |
std::atomic<std::intmax_t> (typedef) | |
| (C++11) |
std::atomic<std::uintmax_t> (typedef) | |
Funktionen | ||
| (C++11) |
prüft, ob die Operationen des atomaren Typs sperrfrei sind (Funktions-Template) | |
| (C++11)(C++11) |
ersetzt atomar den Wert des atomaren Objekts durch ein nicht-atomares Argument (Funktions-Template) | |
| (C++11)(C++11) |
liest atomar den Wert aus einem atomaren Objekt (Funktions-Template) | |
| (C++11)(C++11) |
ersetzt atomar den Wert des atomaren Objekts durch ein nicht-atomares Argument und gibt den alten Wert des atomaren Objekts zurück (Funktions-Template) | |
| vergleicht atomar den Wert des atomaren Objekts mit einem nicht-atomaren Argument und führt bei Gleichheit einen atomaren Austausch oder bei Ungleichheit eine atomare Ladeoperation durch (Funktions-Template) | ||
| (C++11)(C++11) |
addiert einen nicht-atomaren Wert zu einem atomaren Objekt und gibt den vorherigen Wert des atomaren Objekts zurück (Funktions-Template) | |
| (C++11)(C++11) |
subtrahiert einen nicht-atomaren Wert von einem atomaren Objekt und gibt den vorherigen Wert des atomaren Objekts zurück (Funktions-Template) | |
| (C++11)(C++11) |
ersetzt das atomare Objekt durch das Ergebnis einer bitweisen AND-Operation mit einem nicht-atomaren Argument und gibt den vorherigen Wert des atomaren Objekts zurück (Funktions-Template) | |
| (C++11)(C++11) |
ersetzt das atomare Objekt durch das Ergebnis einer bitweisen OR-Operation mit einem nicht-atomaren Argument und gibt den vorherigen Wert des atomaren Objekts zurück (Funktions-Template) | |
| (C++11)(C++11) |
ersetzt das atomare Objekt durch das Ergebnis einer bitweisen XOR-Operation mit einem nicht-atomaren Argument und gibt den vorherigen Wert des atomaren Objekts zurück (Funktions-Template) | |
| setzt das Flag atomar auf true und gibt seinen vorherigen Wert zurück (Funktion) | ||
| (C++11)(C++11) |
setzt den Wert des Flags atomar auf false (Funktion) | |
| (C++11) |
allgemeines speicherordnungsabhängiges Fence-Synchronisationsprimitiv (Funktion) | |
| (C++11) |
Fence zwischen einem Thread und einem Signal-Handler, der im selben Thread ausgeführt wird (Funktion) | |
[bearbeiten] Synopsis
template<class T> using __std_atomic = std::atomic<T>; // exposition only #define _Atomic(T) __std_atomic<T> #define ATOMIC_BOOL_LOCK_FREE /* see description */ #define ATOMIC_CHAR_LOCK_FREE /* see description */ #define ATOMIC_CHAR16_T_LOCK_FREE /* see description */ #define ATOMIC_CHAR32_T_LOCK_FREE /* see description */ #define ATOMIC_WCHAR_T_LOCK_FREE /* see description */ #define ATOMIC_SHORT_LOCK_FREE /* see description */ #define ATOMIC_INT_LOCK_FREE /* see description */ #define ATOMIC_LONG_LOCK_FREE /* see description */ #define ATOMIC_LLONG_LOCK_FREE /* see description */ #define ATOMIC_POINTER_LOCK_FREE /* see description */ using std::memory_order; // see description using std::memory_order_relaxed; // see description using std::memory_order_consume; // see description using std::memory_order_acquire; // see description using std::memory_order_release; // see description using std::memory_order_acq_rel; // see description using std::memory_order_seq_cst; // see description using std::atomic_flag; // see description using std::atomic_bool; // see description using std::atomic_char; // see description using std::atomic_schar; // see description using std::atomic_uchar; // see description using std::atomic_short; // see description using std::atomic_ushort; // see description using std::atomic_int; // see description using std::atomic_uint; // see description using std::atomic_long; // see description using std::atomic_ulong; // see description using std::atomic_llong; // see description using std::atomic_ullong; // see description using std::atomic_char8_t; // see description using std::atomic_char16_t; // see description using std::atomic_char32_t; // see description using std::atomic_wchar_t; // see description using std::atomic_int8_t; // see description using std::atomic_uint8_t; // see description using std::atomic_int16_t; // see description using std::atomic_uint16_t; // see description using std::atomic_int32_t; // see description using std::atomic_uint32_t; // see description using std::atomic_int64_t; // see description using std::atomic_uint64_t; // see description using std::atomic_int_least8_t; // see description using std::atomic_uint_least8_t; // see description using std::atomic_int_least16_t; // see description using std::atomic_uint_least16_t; // see description using std::atomic_int_least32_t; // see description using std::atomic_uint_least32_t; // see description using std::atomic_int_least64_t; // see description using std::atomic_uint_least64_t; // see description using std::atomic_int_fast8_t; // see description using std::atomic_uint_fast8_t; // see description using std::atomic_int_fast16_t; // see description using std::atomic_uint_fast16_t; // see description using std::atomic_int_fast32_t; // see description using std::atomic_uint_fast32_t; // see description using std::atomic_int_fast64_t; // see description using std::atomic_uint_fast64_t; // see description using std::atomic_intptr_t; // see description using std::atomic_uintptr_t; // see description using std::atomic_size_t; // see description using std::atomic_ptrdiff_t; // see description using std::atomic_intmax_t; // see description using std::atomic_uintmax_t; // see description using std::atomic_is_lock_free; // see description using std::atomic_load; // see description using std::atomic_load_explicit; // see description using std::atomic_store; // see description using std::atomic_store_explicit; // see description using std::atomic_exchange; // see description using std::atomic_exchange_explicit; // see description using std::atomic_compare_exchange_strong; // see description using std::atomic_compare_exchange_strong_explicit; // see description using std::atomic_compare_exchange_weak; // see description using std::atomic_compare_exchange_weak_explicit; // see description using std::atomic_fetch_add; // see description using std::atomic_fetch_add_explicit; // see description using std::atomic_fetch_sub; // see description using std::atomic_fetch_sub_explicit; // see description using std::atomic_fetch_or; // see description using std::atomic_fetch_or_explicit; // see description using std::atomic_fetch_xor; // see description using std::atomic_fetch_xor_explicit; // see description using std::atomic_fetch_and; // see description using std::atomic_fetch_and_explicit; // see description using std::atomic_flag_test_and_set; // see description using std::atomic_flag_test_and_set_explicit; // see description using std::atomic_flag_clear; // see description using std::atomic_flag_clear_explicit; // see description #define ATOMIC_FLAG_INIT /* see description */ using std::atomic_thread_fence; // see description using std::atomic_signal_fence; // see description