Index: psutil/tests/test_process.py
--- psutil/tests/test_process.py.orig
+++ psutil/tests/test_process.py
@@ -30,6 +30,7 @@ from psutil import NETBSD
 from psutil import OPENBSD
 from psutil import OSX
 from psutil import POSIX
+from psutil import SECBSD
 from psutil import SUNOS
 from psutil import WINDOWS
 from psutil._common import open_text
@@ -503,7 +504,7 @@ class TestProcess(PsutilTestCase):
         # thread number, since we always have with 1 thread per process,
         # but this does not apply across all platforms (MACOS, Windows)
         p = psutil.Process()
-        if OPENBSD:
+        if OPENBSD or SECBSD:
             try:
                 step1 = p.num_threads()
             except psutil.AccessDenied:
@@ -524,7 +525,7 @@ class TestProcess(PsutilTestCase):
     @unittest.skipIf(not HAS_THREADS, 'not supported')
     def test_threads(self):
         p = psutil.Process()
-        if OPENBSD:
+        if OPENBSD or SECBSD:
             try:
                 step1 = p.threads()
             except psutil.AccessDenied:
@@ -546,7 +547,7 @@ class TestProcess(PsutilTestCase):
     @unittest.skipIf(not HAS_THREADS, 'not supported')
     def test_threads_2(self):
         p = self.spawn_psproc()
-        if OPENBSD:
+        if OPENBSD or SECBSD:
             try:
                 p.threads()
             except psutil.AccessDenied:
@@ -715,7 +716,7 @@ class TestProcess(PsutilTestCase):
         # Also /proc/pid/cmdline behaves the same so it looks
         # like this is a kernel bug.
         # XXX - AIX truncates long arguments in /proc/pid/cmdline
-        if NETBSD or OPENBSD or AIX:
+        if NETBSD or OPENBSD or SECBSD or AIX:
             self.assertEqual(p.cmdline()[0], PYTHON_EXE)
         else:
             if MACOS and CI_TESTING:
@@ -1030,7 +1031,7 @@ class TestProcess(PsutilTestCase):
         self.assertEqual(p.num_fds(), start)
 
     @skip_on_not_implemented(only_if=LINUX)
-    @unittest.skipIf(OPENBSD or NETBSD, "not reliable on OPENBSD & NETBSD")
+    @unittest.skipIf(OPENBSD or SECBSD or NETBSD, "not reliable on OPENBSD & NETBSD")
     def test_num_ctx_switches(self):
         p = psutil.Process()
         before = sum(p.num_ctx_switches())
@@ -1267,7 +1268,7 @@ class TestProcess(PsutilTestCase):
             except psutil.NoSuchProcess:
                 pass
             except psutil.AccessDenied:
-                if OPENBSD and fun_name in ('threads', 'num_threads'):
+                if (OPENBSD or SECBSD) and fun_name in ('threads', 'num_threads'):
                     return
                 raise
             else:
@@ -1399,7 +1400,7 @@ class TestProcess(PsutilTestCase):
                 elif name == "name":
                     assert name, name
 
-        if not OPENBSD:
+        if not (OPENBSD or SECBSD):
             self.assertIn(0, psutil.pids())
             assert psutil.pid_exists(0)