source:
vendors/XIOS/current/extern/boost/include/boost/smart_ptr/detail/lwm_pthreads.hpp
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3408
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[3408] | 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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