void fn3( std::string const& str)
{
X x( str);
intptr_t vp = gctx.suspend( value1);
value1 = vp;
BOOST_ASSERT( gctx.is_running() );
gctx.suspend();
}
void fn()
{
X x;
for( int i = 0;; ++i)
{
std::cout << "fn(): " << i << std::endl;
ctx.suspend();
}
}
void fn2() {
std::cout << "inside function fn2(): fn2() returns return to fn()" << std::endl;
// ctx.resume();
ctx2.suspend();
std::cout << "finish fn2(), returning back to fn\n";
}
void fn2()
{
std::cout << "first time inside fn2()" << std::endl;
ctx2.suspend();
std::cout << "second time inside fn2(), returns to main()" << std::endl;
}