CVS commit: src/sys/kern

["Kamil Rytarowski" <kamil%netbsd.org@localhost>]

Module Name:    src
Committed By:   kamil
Date:           Thu Oct  3 22:48:44 UTC 2019

Modified Files:
        src/sys/kern: kern_exit.c kern_lwp.c kern_sig.c kern_synch.c
            sys_ptrace_common.c

Log Message:
Separate flag for suspended by _lwp_suspend and suspended by a debugger

Once a thread was stopped with ptrace(2), userland process must not
be able to unstop it deliberately or by an accident.

This was a Windows-style behavior that makes threading tracing fragile.


To generate a diff of this commit:
cvs rdiff -u -r1.276 -r1.277 src/sys/kern/kern_exit.c
cvs rdiff -u -r1.203 -r1.204 src/sys/kern/kern_lwp.c
cvs rdiff -u -r1.365 -r1.366 src/sys/kern/kern_sig.c
cvs rdiff -u -r1.323 -r1.324 src/sys/kern/kern_synch.c
cvs rdiff -u -r1.61 -r1.62 src/sys/kern/sys_ptrace_common.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.