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threadpool: allow leaf functions to run concurrently

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Decrease the number of worker threads by one to account
for the fact the calling thread acts as a worker thread now
This commit is contained in:
moneromooo-monero 2018-04-26 11:44:47 +01:00
parent 2704624eae
commit 2771a18e85
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GPG key ID: 686F07454D6CEFC3
7 changed files with 112 additions and 51 deletions
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7
src/common/threadpool.h
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@ -59,7 +59,7 @@ public:
public:
void inc();
void dec();
void wait(); //! Wait for a set of tasks to finish.
void wait(threadpool *tpool); //! Wait for a set of tasks to finish.
waiter() : num(0){}
~waiter();
};
@ -67,7 +67,7 @@ public:
// Submit a task to the pool. The waiter pointer may be
// NULL if the caller doesn't care to wait for the
// task to finish.
void submit(waiter *waiter, std::function<void()> f);
void submit(waiter *waiter, std::function<void()> f, bool leaf = false);
unsigned int get_max_concurrency() const;
@ -78,6 +78,7 @@ public:
typedef struct entry {
waiter *wo;
std::function<void()> f;
bool leaf;
} entry;
std::deque<entry> queue;
boost::condition_variable has_work;
@ -86,7 +87,7 @@ public:
unsigned int active;
unsigned int max;
bool running;
void run();
void run(bool flush = false);
};
}