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/spinlock_pool.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 int count = 0; 11 f(int n)12void f( int n ) 13 { 14 for( int i = 0; i < n; ++i ) 15 { 16 boost::detail::spinlock_pool<0>::scoped_lock lock( &count ); 17 ++count; 18 } 19 } 20 main()21int main() 22 { 23 int const N = 100000; // iterations 24 int const M = 8; // threads 25 26 boost::detail::lw_thread_t th[ M ] = {}; 27 28 for( int i = 0; i < M; ++i ) 29 { 30 boost::detail::lw_thread_create( th[ i ], boost::bind( f, N ) ); 31 } 32 33 for( int i = 0; i < M; ++i ) 34 { 35 boost::detail::lw_thread_join( th[ i ] ); 36 } 37 38 BOOST_TEST_EQ( count, N * M ); 39 40 return boost::report_errors(); 41 } 42