sync package

Canonical docs for mutexes, condition variables, pools, once, maps, and synchronization primitives.

• Author: Go Team
• Authority: primary
• Kind: package-doc
• URL: https://pkg.go.dev/sync

What it covers

• mutex semantics
• sync primitive APIs
• coordination and shared-state protection

Why authoritative

Official package documentation for Go synchronization primitives.

Use when

• should this use sync.Mutex
• how do I use this sync primitive
• is this shared state synchronized correctly in Go

Keywords

• sync, mutex, once, waitgroup, synchronization

Used by

• sync-mutex
• sync-waitgroup
• sync-cond
• sync-once
• sync-map
• sync-pool