HomeFreeBSD

Add procstat(1) sigfastblock command to show process sigfastblock word address.

Description

Add procstat(1) sigfastblock command to show process sigfastblock word address.

Tested by: pho
Disscussed with: cem, emaste, jilles
Sponsored by: The FreeBSD Foundation
Differential revision: https://reviews.freebsd.org/D12773