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fixed queue::abort

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This commit is contained in:
badaix 2016-11-09 21:57:24 +01:00
parent e875555d3c
commit 06ce37be1c
3 changed files with 23 additions and 19 deletions
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37
common/queue.h
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@ -20,6 +20,7 @@
#define QUEUE_H
#include <queue>
#include <atomic>
#include <thread>
#include <mutex>
#include <condition_variable>
@ -33,8 +34,9 @@ public:
{
std::unique_lock<std::mutex> mlock(mutex_);
while (queue_.empty())
{
cond_.wait(mlock);
}
auto val = queue_.front();
queue_.pop();
return val;
@ -49,12 +51,21 @@ public:
return queue_.front();
}
void abort_wait()
{
abort_ = true;
cond_.notify_one();
}
bool try_pop(T& item, std::chrono::microseconds timeout)
{
std::unique_lock<std::mutex> mlock(mutex_);
cond_.wait_for(mlock, timeout);
abort_ = false;
if (queue_.empty())
if (!cond_.wait_for(mlock, timeout, [this] { return (!queue_.empty() || abort_); }))
return false;
if (queue_.empty() || abort_)
return false;
item = std::move(queue_.front());
@ -68,22 +79,15 @@ public:
return try_pop(item, std::chrono::duration_cast<std::chrono::microseconds>(timeout));
}
void abort_wait()
{
cond_.notify_one();
}
bool pop(T& item)
void pop(T& item)
{
std::unique_lock<std::mutex> mlock(mutex_);
cond_.wait(mlock);
if (queue_.empty())
return false;
item = std::move(queue_.front());
while (queue_.empty())
{
cond_.wait(mlock);
}
item = queue_.front();
queue_.pop();
return true;
}
void push(const T& item)
@ -119,6 +123,7 @@ public:
private:
std::queue<T> queue_;
std::atomic<bool> abort_;
mutable std::mutex mutex_;
std::condition_variable cond_;
};