libxshmfence

Install command: 
brew install libxshmfence

X.Org: Shared memory 'SyncFence' synchronization primitive

https://www.x.org/

License: MIT

Development: Pull requests

Formula JSON API: /api/formula/libxshmfence.json

Formula code: libxshmfence.rb on GitHub

Bottle (binary package) installation support provided for:

macOS on
Apple Silicon		 golden gate ✅
tahoe ✅
sequoia ✅
sonoma ✅
ventura ✅
macOS on
Intel		 sonoma ✅
ventura ✅
Linux ARM64 ✅
x86_64 ✅

Current versions:

stable ✅ 1.3.3

Depends on when building from source:

pkgconf 3.0.10 Package compiler and linker metadata toolkit
xorgproto 2026.1 X.Org: Protocol Headers

GitHub Packages downloads:

Last 30 days15,989
Downloads413,381
Analytics install events (30 days)5,187
Downloads / install events (30 days)3.1×

Source: GitHub Packages, fetched 2026-11-03T00:40:15Z. Analytics dates: 2026-10-04 to 2026-11-03. Totals exclude downloads from Bintray before the migration to GitHub Packages. Downloads and install attempts measure different things; the difference does not count analytics opt-outs. Definitions and limitations.

Analytics:

30 days90 days365 days
Installs5,1878,78938,788
Installs on Request5766
Build Errors0