sigsuspend(2) on FreeBSD
The text 245a3a1cdcf0, as FreeBSD 2.1.7.1-RELEASE, FreeBSD 2.1.7-RELEASE, FreeBSD 2.1.5-RELEASE, FreeBSD 2.0.5-RELEASE shipped it.
atomically release blocked signals and wait for interrupt
The text 245a3a1cdcf0, as FreeBSD 2.1.7.1-RELEASE, FreeBSD 2.1.7-RELEASE, FreeBSD 2.1.5-RELEASE, FreeBSD 2.0.5-RELEASE shipped it.
atomically release blocked signals and wait for interrupt