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20effc67 TL |
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[ i ], boost::bind( f, N ) ); | |
30 | } | |
31 | ||
32 | for( int i = 0; i < M; ++i ) | |
33 | { | |
34 | boost::detail::lw_thread_join( th[ i ] ); | |
35 | } | |
36 | ||
37 | BOOST_TEST_EQ( count, N * M ); | |
38 | ||
39 | return boost::report_errors(); | |
40 | } |