ChenYilong / ChenYilong/ParseSourceCodeStudy

串行队列中,异步会新建线程,只开一条线程的说法不够严谨吧?

Open
#3 4 comments 0 reactions 0 assignees View on GitHub
Dominant language
Objective-C
Stars
2.8k
Forks
529
PR merge metrics
No merged PRs in 30d

Description

在GCD 扫盲篇中提到:
异步:1)因为必定会开启新的线程,线程的申请是由异步负责,起到开分支的作用;
2)串行队列 :会新建线程,只开一条线程 一条线程就够了;

但是,如果在主队列中执行异步操作的话,是不会开启新线程的。

Contributor guide

No contributing guide indexed for this repository

Assessment

This issue has not been assessed yet.

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.