std::experimental::flex_barrier:: flex_barrier
From cppreference.com
<
cpp
|
experimental
|
flex barrier
|
explicit
flex_barrier
(
std::
ptrdiff_t
num_threads
)
;
|
(1) | (concurrency TS) |
|
template
<
class
F
>
flex_barrier ( std:: ptrdiff_t num_threads, F completion ) ; |
(2) | (concurrency TS) |
|
flex_barrier
(
const
flex_barrier
&
)
=
delete
;
|
(3) | (concurrency TS) |
1)
Has the same effect as
flex_barrier
(
num_threads, c
)
, where
c
is a
Callable
object whose invocation returns -1 and has no side effects.
2)
Constructs a
flex_barrier
for
num_threads
participating threads, using
completion
for the completion phase. The set of participating threads is the first
num_threads
threads to arrive at the synchronization point.
3)
Copy constructor is deleted;
flex_barrier
is not copyable.
Parameters
| num_threads | - |
the number of participating threads for the
flex_barrier
; must be non-negative
|
| completion | - | a function object controlling the completion phase; must be Callable with no arguments and return type std::ptrdiff_t , and when invoked, must return a value no less than -1 and must not throw an exception |
| Type requirements | ||
-
F
must meet the requirements of
CopyConstructible
.
|
||
Notes
If num_threads is zero, the set of participating threads is empty, and flex_barrier can only be destroyed.