source:
vendors/XIOS/current/extern/boost/include/boost/smart_ptr/detail/lwm_pthreads.hpp
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1 | #ifndef BOOST_SMART_PTR_DETAIL_LWM_PTHREADS_HPP_INCLUDED |
2 | #define BOOST_SMART_PTR_DETAIL_LWM_PTHREADS_HPP_INCLUDED |
3 | |
4 | // MS compatible compilers support #pragma once |
5 | |
6 | #if defined(_MSC_VER) && (_MSC_VER >= 1020) |
7 | # pragma once |
8 | #endif |
9 | |
10 | // |
11 | // boost/detail/lwm_pthreads.hpp |
12 | // |
13 | // Copyright (c) 2002 Peter Dimov and Multi Media Ltd. |
14 | // |
15 | // Distributed under the Boost Software License, Version 1.0. (See |
16 | // accompanying file LICENSE_1_0.txt or copy at |
17 | // http://www.boost.org/LICENSE_1_0.txt) |
18 | // |
19 | |
20 | #include <boost/assert.hpp> |
21 | #include <pthread.h> |
22 | |
23 | namespace boost |
24 | { |
25 | |
26 | namespace detail |
27 | { |
28 | |
29 | class lightweight_mutex |
30 | { |
31 | private: |
32 | |
33 | pthread_mutex_t m_; |
34 | |
35 | lightweight_mutex(lightweight_mutex const &); |
36 | lightweight_mutex & operator=(lightweight_mutex const &); |
37 | |
38 | public: |
39 | |
40 | lightweight_mutex() |
41 | { |
42 | |
43 | // HPUX 10.20 / DCE has a nonstandard pthread_mutex_init |
44 | |
45 | #if defined(__hpux) && defined(_DECTHREADS_) |
46 | BOOST_VERIFY( pthread_mutex_init( &m_, pthread_mutexattr_default ) == 0 ); |
47 | #else |
48 | BOOST_VERIFY( pthread_mutex_init( &m_, 0 ) == 0 ); |
49 | #endif |
50 | } |
51 | |
52 | ~lightweight_mutex() |
53 | { |
54 | BOOST_VERIFY( pthread_mutex_destroy( &m_ ) == 0 ); |
55 | } |
56 | |
57 | class scoped_lock; |
58 | friend class scoped_lock; |
59 | |
60 | class scoped_lock |
61 | { |
62 | private: |
63 | |
64 | pthread_mutex_t & m_; |
65 | |
66 | scoped_lock(scoped_lock const &); |
67 | scoped_lock & operator=(scoped_lock const &); |
68 | |
69 | public: |
70 | |
71 | scoped_lock(lightweight_mutex & m): m_(m.m_) |
72 | { |
73 | BOOST_VERIFY( pthread_mutex_lock( &m_ ) == 0 ); |
74 | } |
75 | |
76 | ~scoped_lock() |
77 | { |
78 | BOOST_VERIFY( pthread_mutex_unlock( &m_ ) == 0 ); |
79 | } |
80 | }; |
81 | }; |
82 | |
83 | } // namespace detail |
84 | |
85 | } // namespace boost |
86 | |
87 | #endif // #ifndef BOOST_SMART_PTR_DETAIL_LWM_PTHREADS_HPP_INCLUDED |
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