The sleeping test has been converted to ATF

sigtramp has been incorporated into ATF test lib/libc/sys/t_sigaction

The lockf/lockf2 tests are now converted to ATF

The SysV IPC tests have been converted to atf

branches: 1.30.6; 1.30.12;
Remove the kernel and ipf tests that have been converted to atf and now
live in the tests subtree.

branches: 1.29.10;
test lockf deadlock detection.

A test for the lwpctl preemption counter.

branches: 1.27.8; 1.27.14;
add time regression test directory

Add regressing test for timeout and sleep releated functions.
currently implemented tests:
- check agreement of sleep time with real time (from system)
to be within 30ms
- check for EINTR return code on processing SIGALRM signals
- check for valid residual time if available from the interface
Tested interfaces:
- nanotime(2)
- select(2)
- poll(2)
- sleep(3)

Upgraded IPFilter to 4.1.3

a test for kern_sa.c rev.1.52.

branches: 1.23.2;
Sync with official IPFilter

Add a regression test to check that forced unmounts work correctly.
Bug described in PR kern/5683

Add a ucontext test from Nathan's testsuite.

add test program for 3way select/poll collision on descriptor, problem
described in kern/17517

descend to kqueue too, now

add kqueue subdir, commented out for now

Everyone now has CPU locks, so test them.

Descend into ras.

include <bsd.own.mk> to get MACHINE_CPU and fix conditional

A simple regression test for cpu locks.

Added ipf regression tests

add simple regression test for the recently fixed writev(2) bug

add regression test for the recently found&fixed NEW_PIPE problem

Lockf regression test.

Add the SVID IPC tests.

Add test code for synchronizing caches for signal trampoline code

add "extent"

getcwd regression test.

add unfdpass

Cleanup the regress: _SUBDIRUSE after making "make regress" work, by
Charles Hannum.

Use proginstall:: to disable installing PROG.

RCS Id conventions

add some regression tests for execve()