CTDP linux 程序员手册 C和C++编程（6）更多的Linux POSIX测试

一个程序在一台机器上运行将产生不同的性能，这取决于安装时的选项和内核的编译方式。为了测试机器运行时的POSIX 性能，可使用下列过程:

1. long sysconf(int name);
2. long pathconf(const char *pathname, int name);
3. long fpathconf(int fd, int name);

参考 sysconf(3), pathconf(3), 和 fpathconf(3) 手册页的相关信息。 

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