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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
7 #ifndef BOOST_COROUTINES_DETAIL_PARAMETERS_H
8 #define BOOST_COROUTINES_DETAIL_PARAMETERS_H
9
10 #include <boost/assert.hpp>
11 #include <boost/config.hpp>
12
13 #include <boost/coroutine/detail/flags.hpp>
14
15 #ifdef BOOST_HAS_ABI_HEADERS
16 # include BOOST_ABI_PREFIX
17 #endif
18
19 namespace boost {
20 namespace coroutines {
21 namespace detail {
22
23 template< typename Data >
24 struct parameters
25 {
26 Data * data;
27 bool do_unwind;
28 void * coro;
29
30 parameters() :
31 data( 0), do_unwind( false), coro( 0)
32 {}
33
34 explicit parameters( void * coro_) :
35 data( 0), do_unwind( false), coro( coro_)
36 { BOOST_ASSERT( 0 != coro); }
37
38 explicit parameters( Data * data_, void * coro_) :
39 data( data_), do_unwind( false), coro( coro_)
40 {
41 BOOST_ASSERT( 0 != data);
42 BOOST_ASSERT( 0 != coro);
43 }
44
45 explicit parameters( unwind_t::flag_t) :
46 data( 0), do_unwind( true)
47 {}
48 };
49
50 template< typename Data >
51 struct parameters< Data & >
52 {
53 Data * data;
54 bool do_unwind;
55 void * coro;
56
57 parameters() :
58 data( 0), do_unwind( false), coro( 0)
59 {}
60
61 explicit parameters( void * coro_) :
62 data( 0), do_unwind( false), coro( coro_)
63 { BOOST_ASSERT( 0 != coro); }
64
65 explicit parameters( Data * data_, void * coro_) :
66 data( data_), do_unwind( false), coro( coro_)
67 {
68 BOOST_ASSERT( 0 != data);
69 BOOST_ASSERT( 0 != coro);
70 }
71
72 explicit parameters( unwind_t::flag_t) :
73 data( 0), do_unwind( true), coro( 0)
74 {}
75 };
76
77 template<>
78 struct parameters< void >
79 {
80 bool do_unwind;
81 void * coro;
82
83 parameters() :
84 do_unwind( false), coro(0)
85 {}
86
87 parameters( void * coro_) :
88 do_unwind( false), coro( coro_)
89 { BOOST_ASSERT( 0 != coro); }
90
91 explicit parameters( unwind_t::flag_t) :
92 do_unwind( true), coro( 0)
93 {}
94 };
95
96 }}}
97
98 #ifdef BOOST_HAS_ABI_HEADERS
99 # include BOOST_ABI_SUFFIX
100 #endif
101
102 #endif // BOOST_COROUTINES_DETAIL_PARAMETERS_H