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fix(library/vm): race condition in the profiler initialization code

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This commit is contained in:
Leonardo de Moura 2017-02-15 15:35:41 -08:00
parent cbebedb53b
commit c5287237ee
1 changed files with 2 additions and 3 deletions
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5
src/library/vm/vm.cpp
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@ -3290,8 +3290,6 @@ vm_state::profiler::profiler(vm_state & s, options const & opts):
m_freq_ms(get_profiler_freq(opts)),
m_thread_ptr(get_profiler(opts) ?
new interruptible_thread([&]() {
lean_assert(!m_state.m_profiling);
m_state.m_profiling = true;
chrono::milliseconds d(m_freq_ms);
bool first = true;
auto start = chrono::steady_clock::now();
@ -3320,7 +3318,8 @@ vm_state::profiler::profiler(vm_state & s, options const & opts):
m_freq_ms(0),
m_thread_ptr(nullptr)
#endif
{
{
m_state.m_profiling = get_profiler(opts);
}
void vm_state::profiler::stop() {