std::experimental::latch::count_down
From cppreference.com
< cpp | experimental | latch
| void count_down( ptrdiff_t n = 1);
|
(1) | (concurrency TS) |
Atomically decrements the internal counter by n without blocking the caller.
If n is greater than the value of the internal counter or is negative, the behavior is undefined.
This operation synchronizes with all calls that block on this latch and all is_ready calls on this latch that returns true.
[edit] Parameters
| n | - | the value by which the internal counter is decreased |
[edit] Return value
(none)
[edit] Exceptions
Throws nothing.