src/thrd/pool.h


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#include "../incl.h"

#ifndef POOL_H
#define POOL_H

using namespace std;

class pool
{
private:
    typedef struct tpool_work
    {
        void (*routine)(void*); ///
        void *arg;
        struct tpool_work *next;
    }
    tpool_work_t;

    typedef struct tpool
    {
        // pool characteristics:
        int num_threads;
        int max_queue_size;
        int do_not_block_when_full;

        // pool state
        pthread_t *threads;
        int cur_queue_size;

        tpool_work_t *queue_head;
        tpool_work_t *queue_tail;

        pthread_mutex_t queue_lock;
        pthread_cond_t  queue_not_empty;
        pthread_cond_t  queue_not_full;
        pthread_cond_t  queue_empty;

        int queue_closed;
        int shutdown;
    }
    *tpool_t;

    int i_thrd_pool_size;
    int i_thrd_pool_queue;

    tpool_t thread_pool;

    void
    tpool_init( tpool_t *tpoolp, int num_worker_threads, int max_queue_size, int do_not_block_when_full );

    int
    tpool_add_work( tpool_t tpool, void(*routine)(void*), void* arg );

    // virtual void
    // tpool_destroy( tpool_t tpoolp, int finish );

    static void*
    tpool_thread( void* arg);

    static void
    run_func( void *v_pointer );

    // public methods:
public:
    pool( );

    // inline (speed)!
    void run( void *arg )
    {
        tpool_add_work( thread_pool, run_func, arg );
    }
#ifdef NCURSES
    void print_pool_size();
#endif
};

#endif