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7c673cae FG |
1 | |
2 | // Copyright Oliver Kowalke 2009. | |
3 | // Distributed under the Boost Software License, Version 1.0. | |
4 | // (See accompanying file LICENSE_1_0.txt or copy at | |
5 | // http://www.boost.org/LICENSE_1_0.txt) | |
6 | ||
92f5a8d4 TL |
7 | #include <boost/coroutine/all.hpp> |
8 | ||
7c673cae FG |
9 | #include <iostream> |
10 | ||
11 | #include <boost/assert.hpp> | |
12 | #include <boost/config.hpp> | |
7c673cae FG |
13 | #include <boost/thread.hpp> |
14 | ||
15 | int count = 384; | |
16 | ||
17 | #ifdef BOOST_MSVC //MS VisualStudio | |
18 | __declspec(noinline) void access( char *buf); | |
19 | #else // GCC | |
20 | void access( char *buf) __attribute__ ((noinline)); | |
21 | #endif | |
22 | void access( char *buf) | |
23 | { | |
24 | buf[0] = '\0'; | |
25 | } | |
26 | ||
27 | void bar( int i) | |
28 | { | |
29 | char buf[4 * 1024]; | |
30 | ||
31 | if ( i > 0) | |
32 | { | |
33 | access( buf); | |
34 | std::cout << i << ". iteration" << std::endl; | |
35 | bar( i - 1); | |
36 | } | |
37 | } | |
38 | ||
39 | void foo( boost::coroutines::symmetric_coroutine< void >::yield_type &) | |
40 | { | |
41 | bar( count); | |
42 | } | |
43 | ||
44 | void thread_fn() | |
45 | { | |
46 | { | |
47 | boost::coroutines::symmetric_coroutine< void >::call_type coro( foo); | |
48 | coro(); | |
49 | } | |
50 | } | |
51 | ||
52 | int main( int argc, char * argv[]) | |
53 | { | |
54 | #if defined(BOOST_USE_SEGMENTED_STACKS) | |
55 | std::cout << "using segmented stacks: allocates " << count << " * 4kB == " << 4 * count << "kB on stack, "; | |
56 | std::cout << "initial stack size = " << boost::coroutines::stack_allocator::traits_type::default_size() / 1024 << "kB" << std::endl; | |
57 | std::cout << "application should not fail" << std::endl; | |
58 | #else | |
59 | std::cout << "using standard stacks: allocates " << count << " * 4kB == " << 4 * count << "kB on stack, "; | |
60 | std::cout << "initial stack size = " << boost::coroutines::stack_allocator::traits_type::default_size() / 1024 << "kB" << std::endl; | |
61 | std::cout << "application might fail" << std::endl; | |
62 | #endif | |
63 | ||
64 | boost::thread( thread_fn).join(); | |
65 | ||
66 | return 0; | |
67 | } |