CVS commit: src

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

Module Name:    src
Committed By:   kamil
Date:           Sun Mar 10 22:34:14 UTC 2019

Modified Files:
        src/sys/kern: subr_kcov.c
        src/tests/modules: t_kcov.c

Log Message:
Introduce enhancements to the kcov(4) code

Add new tests verifying dup2(2) scenarios:
 - kcov_dup2
 - kcov_basic_dup2_pc
 - kcov_basic_dup2_cmp

The dup2(2) trick is used by syzkaller and assert that it works.
All new tests pass.

While there add minor non-functional cleanup changes.


To generate a diff of this commit:
cvs rdiff -u -r1.5 -r1.6 src/sys/kern/subr_kcov.c
cvs rdiff -u -r1.7 -r1.8 src/tests/modules/t_kcov.c

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