| Directory: | ./ |
|---|---|
| File: | src/condition_variable.cpp |
| Date: | 2022-06-30 06:29:57 |
| Exec | Total | Coverage | |
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| Lines: | 18 | 28 | 64.3% |
| Branches: | 8 | 24 | 33.3% |
| Line | Branch | Exec | Source |
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| 1 | #include "shared_memory/condition_variable.hpp" | ||
| 2 | |||
| 3 | namespace shared_memory | ||
| 4 | { | ||
| 5 | 59 | ConditionVariable::ConditionVariable(const std::string object_id, | |
| 6 | 59 | bool clean_memory_on_destruction) | |
| 7 | : | ||
| 8 | |||
| 9 | condition_id_(object_id), | ||
| 10 | 59 | clean_memory_on_destruction_(clean_memory_on_destruction) | |
| 11 | { | ||
| 12 | // note: using an instance that is defined in initializer list | ||
| 13 | // sometimes results in segfault. Thus switching to pointer. | ||
| 14 |
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118 | condition_variable_ = new SHMCondition(boost::interprocess::open_or_create, |
| 15 |
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118 | condition_id_.c_str()); |
| 16 | 59 | } | |
| 17 | |||
| 18 | 118 | ConditionVariable::~ConditionVariable() | |
| 19 | { | ||
| 20 |
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59 | delete (condition_variable_); |
| 21 |
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59 | if (clean_memory_on_destruction_) |
| 22 | { | ||
| 23 | 58 | boost::interprocess::named_condition::remove(condition_id_.c_str()); | |
| 24 | } | ||
| 25 | 59 | } | |
| 26 | |||
| 27 | ✗ | void ConditionVariable::clean(const std::string object_id) | |
| 28 | { | ||
| 29 | ✗ | boost::interprocess::named_condition::remove(object_id.c_str()); | |
| 30 | } | ||
| 31 | |||
| 32 | ✗ | void ConditionVariable::notify_all() | |
| 33 | { | ||
| 34 | ✗ | condition_variable_->notify_all(); | |
| 35 | } | ||
| 36 | |||
| 37 | 22 | void ConditionVariable::notify_one() | |
| 38 | { | ||
| 39 | 22 | condition_variable_->notify_one(); | |
| 40 | 22 | } | |
| 41 | |||
| 42 | 20 | void ConditionVariable::wait(Lock &lock) | |
| 43 | { | ||
| 44 | // ConditionVariable is friend of Lock | ||
| 45 | 20 | condition_variable_->wait(lock.lock_); | |
| 46 | 20 | } | |
| 47 | |||
| 48 | ✗ | bool ConditionVariable::timed_wait(Lock &lock, long wait_nano_seconds) | |
| 49 | { | ||
| 50 | boost::posix_time::ptime current_time = | ||
| 51 | ✗ | boost::interprocess::microsec_clock::universal_time(); | |
| 52 | boost::posix_time::time_duration waiting_time = | ||
| 53 | ✗ | boost::posix_time::microseconds( | |
| 54 | ✗ | static_cast<long>(static_cast<double>(wait_nano_seconds) * 0.001)); | |
| 55 | ✗ | return condition_variable_->timed_wait(lock.lock_, | |
| 56 | ✗ | current_time + waiting_time); | |
| 57 | } | ||
| 58 | |||
| 59 |
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162 | } // namespace shared_memory |
| 60 |