49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
|
|
// Copyright Oliver Kowalke 2014.
|
|
// Distributed under the Boost Software License, Version 1.0.
|
|
// (See accompanying file LICENSE_1_0.txt or copy at
|
|
// http://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
#include <cstdlib>
|
|
#include <iostream>
|
|
#include <memory>
|
|
|
|
#include <boost/coroutine2/all.hpp>
|
|
|
|
#ifdef BOOST_MSVC //MS VisualStudio
|
|
__declspec(noinline) void access( char *buf);
|
|
#else // GCC
|
|
void access( char *buf) __attribute__ ((noinline));
|
|
#endif
|
|
void access( char *buf) {
|
|
buf[0] = '\0';
|
|
}
|
|
|
|
void bar( int i) {
|
|
char buf[4 * 1024];
|
|
if ( i > 0) {
|
|
access( buf);
|
|
std::cout << i << ". iteration" << std::endl;
|
|
bar( i - 1);
|
|
}
|
|
}
|
|
|
|
int main() {
|
|
int count = 384;
|
|
#if defined(BOOST_USE_SEGMENTED_STACKS)
|
|
std::cout << "using segmented_stack stacks: allocates " << count << " * 4kB == " << 4 * count << "kB on stack, ";
|
|
std::cout << "initial stack size = " << boost::context::segmented_stack::traits_type::default_size() / 1024 << "kB" << std::endl;
|
|
std::cout << "application should not fail" << std::endl;
|
|
#else
|
|
std::cout << "using standard stacks: allocates " << count << " * 4kB == " << 4 * count << "kB on stack, ";
|
|
std::cout << "initial stack size = " << boost::context::fixedsize_stack::traits_type::default_size() / 1024 << "kB" << std::endl;
|
|
std::cout << "application might fail" << std::endl;
|
|
#endif
|
|
boost::coroutines2::coroutine< void >::pull_type coro{
|
|
[count](boost::coroutines2::coroutine< void >::push_type & coro){
|
|
bar( count);
|
|
}};
|
|
std::cout << "main: done" << std::endl;
|
|
return EXIT_SUCCESS;
|
|
}
|