Go Package sync

External

• https://pkg.go.dev/sync

Internal

• Go Concurrency
• Standard library
• The atomic package

Overview

The sync package provides synchronization primitives to use when synchronization between goroutines is necessary.

However, other than the Once and WaitGroup types, most sync primitives are intended for use by low-level library routines. Higher level synchronization is better done via channels and communication.

WaitGroup

WaitGroup

Mutex

Mutex

RWMutex

RWMutex

Once

Once

Cond

Cond