https://nanxiao.gitbooks.io/golang-101-hacks/content/posts/unbuffered-and-buffered-channels.html After the main goroutine is launched, it will sleep i

Compared with unbuffered counterpart, the sender of buffered channel will block when there is no empty slot of the channel, while the receiver will bl

main is the entry point for the program.

main is the entry point for all Go programs.

Confinement is the simple yet powerful idea of ensuring information is only ever available from one concurrent process. There are two kinds of confine

Confinement is the simple yet powerful idea of ensuring information is only ever available from one concurrent process. When this is achieved, a concu

demostration of channel and timeout

STARTMAIN OMIT

The goroutine has a few paths to termination: • When it has completed its work. • When it cannot continue its work due to an unrecoverable error. • Wh

* There's no formal definition of a pipeline in Go; it's just one of many kinds of concurrent programs. Informally, a pipeline is a series of stages c

type Barrier struct { cond *sync.Cond gos uint curgos uint } func NewBarrier(syncGos uint)*Barrier{ if syncGos < 1{ panic("min 1") } l := &sy

mergedLoop is a version of loop that combines loopCloseOnly, loopFetchOnly, and loopSendOnly.

Sample code is taken from online tutorial https://blog.learngoprogramming.com/gotchas-of-defer-in-go-1-8d070894cb01 it demostrate all the common GOTCH

* 上面的代码虽然可以正确同步，但是对管道的缓存大小太敏感：如果管道有缓存的话，就无 法保证能main退出之前后台线程能正常打印了。更好的做法是将管道的发送和接收方向调换 一下，这样可以避免同步事件受管道缓存大小的影响 */