| |
| // Copyright Oliver Kowalke 2009. |
| // 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 <iostream> |
| |
| #include <boost/assert.hpp> |
| #include <boost/config.hpp> |
| #include <boost/coroutine/all.hpp> |
| #include <boost/thread.hpp> |
| |
| int count = 384; |
| |
| #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); |
| } |
| } |
| |
| void foo( boost::coroutines::asymmetric_coroutine< void >::pull_type & source) |
| { |
| bar( count); |
| source(); |
| } |
| |
| void thread_fn() |
| { |
| { |
| boost::coroutines::asymmetric_coroutine< void >::push_type sink( foo); |
| sink(); |
| } |
| } |
| |
| int main( int argc, char * argv[]) |
| { |
| #if defined(BOOST_USE_SEGMENTED_STACKS) |
| std::cout << "using segmented stacks: allocates " << count << " * 4kB == " << 4 * count << "kB on stack, "; |
| std::cout << "initial stack size = " << boost::coroutines::stack_allocator::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::coroutines::stack_allocator::traits_type::default_size() / 1024 << "kB" << std::endl; |
| std::cout << "application might fail" << std::endl; |
| #endif |
| |
| boost::thread( thread_fn).join(); |
| |
| return 0; |
| } |