Fix behaviour of rt_sigqueueinfo() when a thread group id (tgid) of -1 is
given. Previously this was passed as a process id to kill() which broadcasts
the signal (meanly you can accidentally kill all processes!).
Found by Henrique Brito as part of GSoC 2026
Regen with makesyscalls.sh 1.188 as it changes the text of the "DO NOT EDIT"
comments in the generated files.
No intended functional change, but minimises diffs on future regens.
PR bin/60706 : sh(1) man page wording improvements.
Better describe how var-assign prefix words are processed.
A few other random cleanups in the nearby area.
No Dd update, these are not significant enough changes to suggest
to anyone that re-reading the man page would be worth the effort.
No pullups planned (same reason).
Allow the user to decline roll forward by passing option "-o nolog" to
mount_lfs. Internally this is implemented by interpreting the MNT_LOG
flag to mean "do roll forward". Option "-o log" defaults on in mount_lfs(8).