sync.WaitGroup

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A synchronization helper for waiting until a set of goroutines completes.

Why it's here

Placed in Assess: 2 article(s) of evidence from 1 source(s), led by security coverage, with 1 in the last 30 days. Confidence 36%.

3Hacker News·9/26/2026open_source
Go Concurrency Mini-Book
This post highlights a compact, interactive mini-book that reviews core Go concurrency concepts, including goroutines, channels, select, pipelines, context, wait groups, mutexes, semaphores, atomics, and diagnostics. It is presented as a refresher for experienced developers rather than a beginner tutorial, with runnable examples and a PDF version available.
8Hacker News·7/8/2026security
OpenBSD use-after-free bug enables local root escalation
A vulnerability identified as CVE-2026-57589 affects OpenBSD through version 7.9 in sys/kern/sysv_sem.c. The flaw is a use-after-free in sys_semget() that can allow a local attacker to escalate privileges to root, with a MITRE-assessed CVSS 3.1 score of 7.4 high.