这是linux下采用 POSIX 的 pthread 机制计算圆周率的程序-This is the linux multi pthread POSIX mechanisms used under the pi calculation program

多线程计算pi，在linux下用gcc编译 执行下面命令： gcc -pthread pi.c -o pi-Multi-threaded computing pi, using the gcc compiler under linux execute the following command: gcc-pthread pi.c-o pi

t10_pi.c - Functions for generating and verifying T10 Protection Information.