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31 lines
549 B
C++
31 lines
549 B
C++
#include <boost/thread/thread.hpp>
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#include <boost/thread/once.hpp>
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#include <boost/test/test_tools.hpp>
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namespace {
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int once_value = 0;
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boost::once_flag once = BOOST_ONCE_INIT;
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void init_once_value()
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{
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once_value++;
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}
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void test_once_thread()
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{
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boost::call_once(&init_once_value, once);
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}
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} // namespace
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void test_call_once()
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{
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const int NUMTHREADS=5;
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boost::thread_group threads;
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for (int i=0; i<NUMTHREADS; ++i)
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threads.create_thread(&test_once_thread);
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threads.join_all();
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BOOST_TEST(once_value == 1);
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}
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