30 lines
648 B
C
30 lines
648 B
C
|
typedef struct tsmthread_s
|
||
|
|
{
|
||
|
|
int read_index; //it always points to the next buffer to be read
|
||
|
|
} tsmthread_t;
|
||
|
|
|
||
|
|
class tsmpool
|
||
|
|
{
|
||
|
|
private:
|
||
|
|
size_t size;
|
||
|
|
int num;
|
||
|
|
vector<tsmthread_t*> threads;
|
||
|
|
vector<void*> buffers;
|
||
|
|
int threads_cntr;
|
||
|
|
pthread_mutex_t mutex;
|
||
|
|
int ok;
|
||
|
|
int write_index; //it always points to the next buffer to be written
|
||
|
|
int lowest_read_index;
|
||
|
|
|
||
|
|
public:
|
||
|
|
size_t get_size();
|
||
|
|
tsmpool(size_t size, int num);
|
||
|
|
void* get_write_buffer();
|
||
|
|
int register_thread();
|
||
|
|
void* get_read_buffer(int thread_id);
|
||
|
|
int index_next(int index) { return (index+1==size)?0:index; }
|
||
|
|
int index_before(int index) { return (index-1<0)?size-1:index; }
|
||
|
|
}
|
||
|
|
|
||
|
|
|