操作系统

https://ics.uci.edu/~aburtsev/cs5460/lectures/lecture13-memory-ordering/lecture13-memory-barriers.pd

• The most common way of allocating memory to processes in modern operating systems is a type of non

• Every file/directory has data and metadata, stored across disk and memory caches. The data of a fi

https://www.cse.iitb.ac.in/~mythili/teaching/cs744_autumn2017/references/CS347-01-OS-intro.pdf 1.1 W

https://www.cse.iitb.ac.in/~mythili/teaching/cs744_autumn2017/references/CS347-02-processes-threads.

https://www.cse.iitb.ac.in/~mythili/teaching/cs744_autumn2017/references/CS347-04-process-sync.pdf 4

参考： https://man.openbsd.org/kqueue.2#kqueue~2 https://people.freebsd.org/~jlemon/papers/kqueue.pdf k

Goal optimize for uncontended (common) case Implementation idea Uncontended case: use atomic operati

These functions atomically release mutex and cause the calling thread to block on the cond