如何使用C中的pthreads减少线程完成时屏障的数量

I have a function: createrWorkerPool which will spawn "n" worker threads and each of them will take input as file specified in the args for pthread_create, read the file modify a shared variable by using a mutex around it and wait at a barrier until all threads have done modifying their shared variable. This operation happens in a loop a large number of times.I have a function: createrWorkerPool which will