std::counting_semaphore<LeastMaxValue>::counting_semaphore

From cppreference.com
C++
Concurrency support library
Threads
(C++11)
(C++20)
(C++17)(C++17)
this_thread namespace
(C++11)
(C++11)
(C++11)
(C++11)
Cooperative cancellation
Mutual exclusion
(C++11)
(C++11)
(C++17)
Generic lock management
(C++11)
(C++11)
(C++17)
(C++11)
(C++14)
(C++11)
(C++11)
(C++11)
(C++11) (C++11) (C++11) (C++11) (C++11) (C++11)
Condition variables
(C++11)
(C++11)
(C++11)
(C++11)
Semaphores
(C++20)(C++20)
Latches and Barriers
(C++20)
(C++20)
Futures
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
Safe Reclamation
(C++26)
(C++26)
(C++26)
Hazard Pointers
(C++26)
(C++26)
(C++26)
Atomic types
(C++11)
(C++20)
(C++11)
Initialization of atomic types
(C++11)(deprecated in C++20)
(C++11)(deprecated in C++20)
(C++11)
Memory ordering
(C++11)
(C++11)
(C++11)
(C++11)
Free functions for atomic operations
(C++11)(C++11)
(C++11)(C++11)
(C++11)(C++11)
(C++11) (C++11) (C++11) (C++11)
(C++11)(C++11)
(C++11)(C++11)
(C++11)(C++11)
(C++11)(C++11)
(C++11)(C++11)
(C++26)(C++26)
(C++26)(C++26)
(C++11)
(C++20)(C++20)
(C++20)
(C++20)
Free functions for atomic flags
(C++11)(C++11)
(C++11)(C++11)
(C++20)(C++20)
(C++20)(C++20)
(C++20)
(C++20)
std::counting_semaphore
constexpr explicit counting_semaphore( std::ptrdiff_t desired ) ;
(1) (since C++20)
counting_semaphore( const counting_semaphore& ) = delete;
(2) (since C++20)
1) Constructs an object of type std::counting_semaphore with the internal counter initialized to desired.
2) Copy constructor is deleted.

Preconditions

1) Both desired >= 0 and desired <= max() are true

Parameters

desired - the value to initialize counting_semaphore's counter with

Exceptions

Throws nothing.

Retrieved from "https://en.cppreference.com/mwiki/index.php?title=cpp/thread/counting_semaphore/counting_semaphore&oldid=161125