56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
#include "tsmpool.h"
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tsmpool::tsmpool(size_t size, int num)
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{
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this->threads_cntr = 0;
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this->size = size;
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this->num = num; //number of buffers of (size) to alloc
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this->ok = 1;
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this->lowest_read_index = -1;
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this->write_index = 0;
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if (pthread_mutex_init(&this->mutex, NULL) != 0) this->ok=0;
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}
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size_t tsmpool::get_size() { return this->size; }
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void* tsmpool::get_write_buffer()
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{
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//if(write_index==index_before(lowest_read_index)) return NULL;
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void* to_return = buffers[write_index];
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write_index=index_next(write_index);
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}
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tsmthread_t* tsmpool::register_thread()
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{
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if(!ok) return NULL;
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pthread_mutex_lock(&this->mutex);
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tsmthread_t* thread = new tsmthread_t;
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thread->read_index = index_before(write_index);
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threads.push_back(thread);
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pthread_mutex_unlock(&this->mutex);
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return thread;
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}
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int tsmpool::remove_thread(tsmthread_t* thread)
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{
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pthread_mutex_lock(&this->mutex);
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for(int i=0;i<threads.size();i++)
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if(threads[i] == thread)
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{
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delete threads[i];
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threads.erase(i);
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break;
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}
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pthread_mutex_unlock(&this->mutex);
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}
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void* tsmpool::get_read_buffer(tsmthread_t* thread)
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{
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if(thread->read_index==index_before(write_index)) return NULL;
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void* to_return = buffers[thread->read_index];
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thread->read_index=index_next(thread->read_index);
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}
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void* tsmpool::set_read_index_distance(tsmthread_t* thread, int distance)
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{
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}
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