boost/context
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This commit is contained in:
Oliver Kowalke
2015-10-03 09:06:06 +02:00
parent 8c60232f5f
commit f43dd8a9da
1 changed files with 3 additions and 0 deletions
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3
src/execution_context.cpp
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@@ -24,8 +24,10 @@ thread_local
detail::activation_record::ptr_t
detail::activation_record::current_rec;
// zero-initialization
thread_local static std::size_t counter;
// schwarz counter
activation_record_initializer::activation_record_initializer() {
if ( 0 == counter++) {
activation_record::current_rec.reset( new activation_record() );
@@ -42,6 +44,7 @@ activation_record_initializer::~activation_record_initializer() {
execution_context
execution_context::current() noexcept {
// initialized the first time control passes; per thread
thread_local static detail::activation_record_initializer initializer;
return execution_context();
}