1 | // Copyright 2018, 2020 Peter Dimov |
---|---|
2 | // Distributed under the Boost Software License, Version 1.0. |
3 | // https://www.boost.org/LICENSE_1_0.txt) |
4 | |
5 | #include <boost/smart_ptr/detail/atomic_count.hpp> |
6 | #include <boost/smart_ptr/detail/lightweight_thread.hpp> |
7 | #include <boost/bind/bind.hpp> |
8 | #include <boost/core/lightweight_test.hpp> |
9 | |
10 | static boost::detail::atomic_count count( 0 ); |
11 | |
12 | void f( int n ) |
13 | { |
14 | for( int i = 0; i < n; ++i ) |
15 | { |
16 | ++count; |
17 | } |
18 | } |
19 | |
20 | int main() |
21 | { |
22 | int const N = 100000; // iterations |
23 | int const M = 8; // threads |
24 | |
25 | boost::detail::lw_thread_t th[ M ] = {}; |
26 | |
27 | for( int i = 0; i < M; ++i ) |
28 | { |
29 | boost::detail::lw_thread_create( th&: th[ i ], f: boost::bind( f, a1: N ) ); |
30 | } |
31 | |
32 | for( int i = 0; i < M; ++i ) |
33 | { |
34 | boost::detail::lw_thread_join( th: th[ i ] ); |
35 | } |
36 | |
37 | BOOST_TEST_EQ( count, N * M ); |
38 | |
39 | return boost::report_errors(); |
40 | } |
41 |