用timerfd实现非阻塞的sleep()/usleep()/nanosleep()#30
Open
yueshuaijie wants to merge 2 commits intodouban:masterfrom
Open
用timerfd实现非阻塞的sleep()/usleep()/nanosleep()#30yueshuaijie wants to merge 2 commits intodouban:masterfrom
yueshuaijie wants to merge 2 commits intodouban:masterfrom
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
我用到的一个c库除了网络IO block，还有sleep()等其他block，所以我fork了greenify来实现非阻塞的sleep。原理是把常用的sleep()函数替换为timerfd，加入事件循环，监听read()。
（未解决信号中断sleep的问题）
用法：patch_lib()增加了个默认参数：patch_sleep=False，默认不patch sleep()
如需patch：
greenify.patch_lib('/usr/lib/libmemcached.so', patch_sleep=True)