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authorMartin Braun <martin.braun@ettus.com>2016-09-28 15:50:53 -0700
committerMartin Braun <martin.braun@ettus.com>2016-09-28 15:50:53 -0700
commit811444b126ed40aed115af4464422122afd0c607 (patch)
tree66302b72a71376bfed4e8f988ee057cb1e705434 /host/include
parent0d28752da7dd4a25a890caef0fad3cadd5742655 (diff)
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atomic: Removed reusable_barrier
Diffstat (limited to 'host/include')
-rw-r--r--host/include/uhd/utils/atomic.hpp70
1 files changed, 0 insertions, 70 deletions
diff --git a/host/include/uhd/utils/atomic.hpp b/host/include/uhd/utils/atomic.hpp
index 8c5e6a5da..8da71b359 100644
--- a/host/include/uhd/utils/atomic.hpp
+++ b/host/include/uhd/utils/atomic.hpp
@@ -68,76 +68,6 @@ namespace uhd{
};
/*!
- * A reusable barrier to sync multiple threads.
- * All threads spin on wait() until count is reset.
- */
- class UHD_API reusable_barrier{
- public:
-
- reusable_barrier():_size (0) {}
-
- reusable_barrier(const size_t size):_size(size) {}
-
- //! Resize the barrier for N threads
- void resize(const size_t size){
- _size = size;
- }
-
- /*!
- * Force the barrier wait to throw a boost::thread_interrupted
- * The threads were not getting the interruption_point on windows.
- */
- void interrupt(void)
- {
- _done.inc();
- }
-
- //! Wait on the barrier condition
- UHD_INLINE void wait(void)
- {
- if (_size == 1) return;
-
- //entry barrier with condition variable
- _entry_counter.inc();
- _entry_counter.cas(0, _size);
- boost::mutex::scoped_lock lock(_mutex);
- while (_entry_counter.read() != 0)
- {
- this->check_interrupt();
- _cond.timed_wait(lock, boost::posix_time::milliseconds(1));
- }
- lock.unlock(); //unlock before notify
- _cond.notify_one();
-
- //exit barrier to ensure known condition of entry count
- _exit_counter.inc();
- _exit_counter.cas(0, _size);
- while (_exit_counter.read() != 0) this->check_interrupt();
- }
-
- //! Wait on the barrier condition
- UHD_INLINE void wait_others(void)
- {
- while (_entry_counter.read() != (_size-1)) this->check_interrupt();
- }
-
- private:
- size_t _size;
- atomic_uint32_t _entry_counter;
- atomic_uint32_t _exit_counter;
- atomic_uint32_t _done;
- boost::mutex _mutex;
- boost::condition_variable _cond;
-
- UHD_INLINE void check_interrupt(void)
- {
- if (_done.read() != 0) throw boost::thread_interrupted();
- boost::this_thread::interruption_point();
- boost::this_thread::yield();
- }
- };
-
- /*!
* Spin-wait on a condition with a timeout.
* \param cond an atomic variable to compare
* \param value compare to atomic for true/false