semaphore semaphore

nes::semaphore::semaphore

Functions

(1) explicit semaphore(std::size_t initial_count = 0);
(2) semaphore(const semaphore&) = delete;
(3) semaphore(semaphore&& other) noexcept = delete;

1. Constructs a new semaphore object with initial_count resources available.
2. Deleted copy-constructor.
3. Deleted move-constructor.

Parameters

Name	Description
initial_count	The count of resources available right after construction. The default value is 0

Complexity

1. Explicit.

Exceptions

1. May throw a std::runtime_error if the semaphore can not be created.
2. Deleted.
3. Deleted.

Implementation details

1. On Windows, the semaphore is created using CreateSemaphoreW
   On Posix systems, the semaphore is created using sem_init