projects / ceph.git / blame
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|---|---|---|
| 7c673cae FG |
1 | ////////////////////////////////////////////////////////////////////////////// |
| 2 | // | |
| 3 | // (C) Copyright Ion Gaztanaga 2005-2012. Distributed under the Boost | |
| 4 | // Software License, Version 1.0. (See accompanying file | |
| 5 | // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
| 6 | // | |
| 7 | // See http://www.boost.org/libs/interprocess for documentation. | |
| 8 | // | |
| 9 | ////////////////////////////////////////////////////////////////////////////// | |
| 10 | ||
| 11 | #ifndef BOOST_INTERPROCESS_POSIX_NAMED_CONDITION_HPP | |
| 12 | #define BOOST_INTERPROCESS_POSIX_NAMED_CONDITION_HPP | |
| 13 | ||
| 14 | #ifndef BOOST_CONFIG_HPP | |
| 15 | # include <boost/config.hpp> | |
| 16 | #endif | |
| 17 | # | |
| 18 | #if defined(BOOST_HAS_PRAGMA_ONCE) | |
| 19 | # pragma once | |
| 20 | #endif | |
| 21 | ||
| 22 | #include <boost/interprocess/detail/config_begin.hpp> | |
| 23 | #include <boost/interprocess/detail/workaround.hpp> | |
| 24 | ||
| 25 | #include <boost/interprocess/sync/posix/semaphore_wrapper.hpp> | |
| 26 | ||
| 27 | namespace boost { | |
| 28 | namespace interprocess { | |
| 29 | ||
| 30 | #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED) | |
| 31 | namespace ipcdetail{ class interprocess_tester; } | |
| 32 | #endif //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED | |
| 33 | ||
| 34 | namespace ipcdetail { | |
| 35 | ||
| 36 | class posix_named_semaphore | |
| 37 | { | |
| 38 | posix_named_semaphore(); | |
| 39 | posix_named_semaphore(const posix_named_semaphore&); | |
| 40 | posix_named_semaphore &operator= (const posix_named_semaphore &); | |
| 41 | ||
| 42 | public: | |
| 43 | posix_named_semaphore | |
| 44 | (create_only_t, const char *name, unsigned int initialCount, const permissions &perm = permissions()) | |
| 45 | { semaphore_open(mp_sem, DoCreate, name, initialCount, perm); } | |
| 46 | ||
| 47 | posix_named_semaphore(open_or_create_t, const char *name, unsigned int initialCount, const permissions &perm = permissions()) | |
| 48 | { semaphore_open(mp_sem, DoOpenOrCreate, name, initialCount, perm); } | |
| 49 | ||
| 50 | posix_named_semaphore(open_only_t, const char *name) | |
| 51 | { semaphore_open(mp_sem, DoOpen, name); } | |
| 52 | ||
| 53 | ~posix_named_semaphore() | |
| 54 | { | |
| 55 | if(mp_sem != BOOST_INTERPROCESS_POSIX_SEM_FAILED) | |
| 56 | semaphore_close(mp_sem); | |
| 57 | } | |
| 58 | ||
| 59 | void post() | |
| 60 | { semaphore_post(mp_sem); } | |
| 61 | ||
| 62 | void wait() | |
| 63 | { semaphore_wait(mp_sem); } | |
| 64 | ||
| 65 | bool try_wait() | |
| 66 | { return semaphore_try_wait(mp_sem); } | |
| 67 | ||
| 68 | bool timed_wait(const boost::posix_time::ptime &abs_time) | |
| 69 | { return semaphore_timed_wait(mp_sem, abs_time); } | |
| 70 | ||
| 71 | static bool remove(const char *name) | |
| 72 | { return semaphore_unlink(name); } | |
| 73 | ||
| 74 | private: | |
| 75 | friend class ipcdetail::interprocess_tester; | |
| 76 | void dont_close_on_destruction() | |
| 77 | { mp_sem = BOOST_INTERPROCESS_POSIX_SEM_FAILED; } | |
| 78 | ||
| 79 | sem_t *mp_sem; | |
| 80 | }; | |
| 81 | ||
| 82 | } //namespace ipcdetail { | |
| 83 | } //namespace interprocess { | |
| 84 | } //namespace boost { | |
| 85 | ||
| 86 | #include <boost/interprocess/detail/config_end.hpp> | |
| 87 | ||
| 88 | #endif //#ifndef BOOST_INTERPROCESS_POSIX_NAMED_CONDITION_HPP |