vendor/lldb/lldb-release_39-r276489

23 files changed, 182 insertions, 359 deletions

diff --git a/packages/Python/lldbsuite/test/functionalities/thread/backtrace_all/TestBacktraceAll.py b/packages/Python/lldbsuite/test/functionalities/thread/backtrace_all/TestBacktraceAll.py
index 91bc68577a43c..902adacb2abd4 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/backtrace_all/TestBacktraceAll.py
+++ b/packages/Python/lldbsuite/test/functionalities/thread/backtrace_all/TestBacktraceAll.py
@@ -5,8 +5,9 @@ Test regression for Bug 25251.
 import os, time
 import unittest2
 import lldb
+from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
-import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test import lldbutil
 
 class BreakpointAfterJoinTestCase(TestBase):
 
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/break_after_join/TestBreakAfterJoin.py b/packages/Python/lldbsuite/test/functionalities/thread/break_after_join/TestBreakAfterJoin.py
index 43397a1223914..8ef0fb0a000d7 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/break_after_join/TestBreakAfterJoin.py
+++ b/packages/Python/lldbsuite/test/functionalities/thread/break_after_join/TestBreakAfterJoin.py
@@ -8,8 +8,9 @@ from __future__ import print_function
 
 import os, time
 import lldb
+from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
-import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test import lldbutil
 
 class BreakpointAfterJoinTestCase(TestBase):
 
@@ -21,9 +22,9 @@ class BreakpointAfterJoinTestCase(TestBase):
         # Find the line number for our breakpoint.
         self.breakpoint = line_number('main.cpp', '// Set breakpoint here')
 
-    @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained
-    @expectedFailureFreeBSD("llvm.org/pr18190") # thread states not properly maintained
-    @expectedFailureLinux("llvm.org/pr15824") # thread states not properly maintained
+    @expectedFailureAll(oslist=["linux"], bugnumber="llvm.org/pr15824 thread states not properly maintained")
+    @expectedFailureAll(oslist=lldbplatformutil.getDarwinOSTriples(), bugnumber="llvm.org/pr15824 thread states not properly maintained")
+    @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr18190 thread states not properly maintained")
     def test(self):
         """Test breakpoint handling after a thread join."""
         self.build(dictionary=self.getBuildFlags())
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/break_after_join/main.cpp b/packages/Python/lldbsuite/test/functionalities/thread/break_after_join/main.cpp
index a63079524ee21..f9f33fda82bb6 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/break_after_join/main.cpp
+++ b/packages/Python/lldbsuite/test/functionalities/thread/break_after_join/main.cpp
@@ -19,24 +19,12 @@
 
 volatile int g_test = 0;
 
-// Note that although hogging the CPU while waiting for a variable to change
-// would be terrible in production code, it's great for testing since it
-// avoids a lot of messy context switching to get multiple threads synchronized.
-#define do_nothing()  
-
-#define pseudo_barrier_wait(bar) \
-    --bar;                       \
-    while (bar > 0)              \
-        do_nothing();
-
-#define pseudo_barrier_init(bar, count) (bar = count)
-
 // A barrier to synchronize all the threads.
-std::atomic_int g_barrier1;
+pseudo_barrier_t g_barrier1;
 
 // A barrier to keep the threads from exiting until after the breakpoint has
 // been passed.
-std::atomic_int g_barrier2;
+pseudo_barrier_t g_barrier2;
 
 void *
 break_thread_func ()
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/concurrent_events/TestConcurrentEvents.py b/packages/Python/lldbsuite/test/functionalities/thread/concurrent_events/TestConcurrentEvents.py
index 9eb25b68765ac..30adcccd203fa 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/concurrent_events/TestConcurrentEvents.py
+++ b/packages/Python/lldbsuite/test/functionalities/thread/concurrent_events/TestConcurrentEvents.py
@@ -17,11 +17,11 @@ from __future__ import print_function
 import unittest2
 import os, time
 import lldb
+from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
-import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test import lldbutil
 
 @skipIfWindows
-@expectedFailureAll(archs=['mips64', 'mips64el']) # Atomic sequences are not supported yet for MIPS in LLDB. 
 class ConcurrentEventsTestCase(TestBase):
 
     mydir = TestBase.compute_mydir(__file__)
@@ -30,24 +30,28 @@ class ConcurrentEventsTestCase(TestBase):
     ## Tests for multiple threads that generate a single event.
     #
     @unittest2.skipIf(TestBase.skipLongRunningTest(), "Skip this long running test")
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_many_breakpoints(self):
         """Test 100 breakpoints from 100 threads."""
         self.build(dictionary=self.getBuildFlags())
         self.do_thread_actions(num_breakpoint_threads=100)
 
     @unittest2.skipIf(TestBase.skipLongRunningTest(), "Skip this long running test")
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_many_watchpoints(self):
         """Test 100 watchpoints from 100 threads."""
         self.build(dictionary=self.getBuildFlags())
         self.do_thread_actions(num_watchpoint_threads=100)
 
     @unittest2.skipIf(TestBase.skipLongRunningTest(), "Skip this long running test")
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_many_signals(self):
         """Test 100 signals from 100 threads."""
         self.build(dictionary=self.getBuildFlags())
         self.do_thread_actions(num_signal_threads=100)
 
     @unittest2.skipIf(TestBase.skipLongRunningTest(), "Skip this long running test")
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_many_crash(self):
         """Test 100 threads that cause a segfault."""
         self.build(dictionary=self.getBuildFlags())
@@ -58,18 +62,21 @@ class ConcurrentEventsTestCase(TestBase):
     ## Tests for concurrent signal and breakpoint
     #
     @skipIfFreeBSD # timing out on buildbot
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_signal_break(self):
         """Test signal and a breakpoint in multiple threads."""
         self.build(dictionary=self.getBuildFlags())
         self.do_thread_actions(num_breakpoint_threads=1, num_signal_threads=1)
 
     @skipIfFreeBSD # timing out on buildbot
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_delay_signal_break(self):
         """Test (1-second delay) signal and a breakpoint in multiple threads."""
         self.build(dictionary=self.getBuildFlags())
         self.do_thread_actions(num_breakpoint_threads=1, num_delay_signal_threads=1)
 
     @skipIfFreeBSD # timing out on buildbot
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_signal_delay_break(self):
         """Test signal and a (1 second delay) breakpoint in multiple threads."""
         self.build(dictionary=self.getBuildFlags())
@@ -81,6 +88,7 @@ class ConcurrentEventsTestCase(TestBase):
     #
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_watch_break(self):
         """Test watchpoint and a breakpoint in multiple threads."""
         self.build(dictionary=self.getBuildFlags())
@@ -88,6 +96,7 @@ class ConcurrentEventsTestCase(TestBase):
 
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_delay_watch_break(self):
         """Test (1-second delay) watchpoint and a breakpoint in multiple threads."""
         self.build(dictionary=self.getBuildFlags())
@@ -95,6 +104,7 @@ class ConcurrentEventsTestCase(TestBase):
 
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_watch_break_delay(self):
         """Test watchpoint and a (1 second delay) breakpoint in multiple threads."""
         self.build(dictionary=self.getBuildFlags())
@@ -105,6 +115,7 @@ class ConcurrentEventsTestCase(TestBase):
     #
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_signal_watch(self):
         """Test a watchpoint and a signal in multiple threads."""
         self.build(dictionary=self.getBuildFlags())
@@ -112,6 +123,7 @@ class ConcurrentEventsTestCase(TestBase):
 
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_delay_signal_watch(self):
         """Test a watchpoint and a (1 second delay) signal in multiple threads."""
         self.build(dictionary=self.getBuildFlags())
@@ -119,7 +131,7 @@ class ConcurrentEventsTestCase(TestBase):
 
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
-    @expectedFailureAll("llvm.org/pr16714", oslist=["linux"], archs=["i386"])
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_signal_delay_watch(self):
         """Test a (1 second delay) watchpoint and a signal in multiple threads."""
         self.build(dictionary=self.getBuildFlags())
@@ -130,12 +142,14 @@ class ConcurrentEventsTestCase(TestBase):
     ## Tests for multiple breakpoint threads
     #
     @skipIfFreeBSD # timing out on buildbot
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_two_breakpoint_threads(self):
         """Test two threads that trigger a breakpoint. """
         self.build(dictionary=self.getBuildFlags())
         self.do_thread_actions(num_breakpoint_threads=2)
 
     @skipIfFreeBSD # timing out on buildbot
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_breakpoint_one_delay_breakpoint_threads(self):
         """Test threads that trigger a breakpoint where one thread has a 1 second delay. """
         self.build(dictionary=self.getBuildFlags())
@@ -143,12 +157,14 @@ class ConcurrentEventsTestCase(TestBase):
                                num_delay_breakpoint_threads=1)
 
     @skipIfFreeBSD # timing out on buildbot
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_two_breakpoints_one_signal(self):
         """Test two threads that trigger a breakpoint and one signal thread. """
         self.build(dictionary=self.getBuildFlags())
         self.do_thread_actions(num_breakpoint_threads=2, num_signal_threads=1)
 
     @skipIfFreeBSD # timing out on buildbot
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_breakpoint_delay_breakpoint_one_signal(self):
         """Test two threads that trigger a breakpoint (one with a 1 second delay) and one signal thread. """
         self.build(dictionary=self.getBuildFlags())
@@ -157,6 +173,7 @@ class ConcurrentEventsTestCase(TestBase):
                                num_signal_threads=1)
 
     @skipIfFreeBSD # timing out on buildbot
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_two_breakpoints_one_delay_signal(self):
         """Test two threads that trigger a breakpoint and one (1 second delay) signal thread. """
         self.build(dictionary=self.getBuildFlags())
@@ -164,6 +181,7 @@ class ConcurrentEventsTestCase(TestBase):
 
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_two_breakpoints_one_watchpoint(self):
         """Test two threads that trigger a breakpoint and one watchpoint thread. """
         self.build(dictionary=self.getBuildFlags())
@@ -171,6 +189,7 @@ class ConcurrentEventsTestCase(TestBase):
 
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_breakpoints_delayed_breakpoint_one_watchpoint(self):
         """Test a breakpoint, a delayed breakpoint, and one watchpoint thread. """
         self.build(dictionary=self.getBuildFlags())
@@ -183,6 +202,7 @@ class ConcurrentEventsTestCase(TestBase):
     #
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_two_watchpoint_threads(self):
         """Test two threads that trigger a watchpoint. """
         self.build(dictionary=self.getBuildFlags())
@@ -190,6 +210,7 @@ class ConcurrentEventsTestCase(TestBase):
 
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_watchpoint_with_delay_watchpoint_threads(self):
         """Test two threads that trigger a watchpoint where one thread has a 1 second delay. """
         self.build(dictionary=self.getBuildFlags())
@@ -198,6 +219,7 @@ class ConcurrentEventsTestCase(TestBase):
 
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_two_watchpoints_one_breakpoint(self):
         """Test two threads that trigger a watchpoint and one breakpoint thread. """
         self.build(dictionary=self.getBuildFlags())
@@ -205,6 +227,7 @@ class ConcurrentEventsTestCase(TestBase):
 
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_two_watchpoints_one_delay_breakpoint(self):
         """Test two threads that trigger a watchpoint and one (1 second delay) breakpoint thread. """
         self.build(dictionary=self.getBuildFlags())
@@ -212,6 +235,7 @@ class ConcurrentEventsTestCase(TestBase):
 
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_watchpoint_delay_watchpoint_one_breakpoint(self):
         """Test two threads that trigger a watchpoint (one with a 1 second delay) and one breakpoint thread. """
         self.build(dictionary=self.getBuildFlags())
@@ -221,6 +245,7 @@ class ConcurrentEventsTestCase(TestBase):
 
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_two_watchpoints_one_signal(self):
         """Test two threads that trigger a watchpoint and one signal thread. """
         self.build(dictionary=self.getBuildFlags())
@@ -231,6 +256,7 @@ class ConcurrentEventsTestCase(TestBase):
     #
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_signal_watch_break(self):
         """Test a signal/watchpoint/breakpoint in multiple threads."""
         self.build(dictionary=self.getBuildFlags())
@@ -240,6 +266,7 @@ class ConcurrentEventsTestCase(TestBase):
 
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_signal_watch_break(self):
         """Test one signal thread with 5 watchpoint and breakpoint threads."""
         self.build(dictionary=self.getBuildFlags())
@@ -249,6 +276,7 @@ class ConcurrentEventsTestCase(TestBase):
 
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_signal_watch_break(self):
         """Test with 5 watchpoint and breakpoint threads."""
         self.build(dictionary=self.getBuildFlags())
@@ -260,6 +288,7 @@ class ConcurrentEventsTestCase(TestBase):
     ## Test for crashing threads happening concurrently with other events
     #
     @skipIfFreeBSD # timing out on buildbot
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_crash_with_break(self):
         """ Test a thread that crashes while another thread hits a breakpoint."""
         self.build(dictionary=self.getBuildFlags())
@@ -267,12 +296,14 @@ class ConcurrentEventsTestCase(TestBase):
 
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_crash_with_watchpoint(self):
         """ Test a thread that crashes while another thread hits a watchpoint."""
         self.build(dictionary=self.getBuildFlags())
         self.do_thread_actions(num_crash_threads=1, num_watchpoint_threads=1)
 
     @skipIfFreeBSD # timing out on buildbot
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_crash_with_signal(self):
         """ Test a thread that crashes while another thread generates a signal."""
         self.build(dictionary=self.getBuildFlags())
@@ -280,6 +311,7 @@ class ConcurrentEventsTestCase(TestBase):
 
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_crash_with_watchpoint_breakpoint_signal(self):
         """ Test a thread that crashes while other threads generate a signal and hit a watchpoint and breakpoint. """
         self.build(dictionary=self.getBuildFlags())
@@ -290,6 +322,7 @@ class ConcurrentEventsTestCase(TestBase):
 
     @skipIfFreeBSD # timing out on buildbot
     @skipIfRemoteDueToDeadlock
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_delayed_crash_with_breakpoint_watchpoint(self):
         """ Test a thread with a delayed crash while other threads hit a watchpoint and a breakpoint. """
         self.build(dictionary=self.getBuildFlags())
@@ -298,6 +331,7 @@ class ConcurrentEventsTestCase(TestBase):
                                num_watchpoint_threads=1)
 
     @skipIfFreeBSD # timing out on buildbot
+    @expectedFailureAll(triple = '^mips') # Atomic sequences are not supported yet for MIPS in LLDB.
     def test_delayed_crash_with_breakpoint_signal(self):
         """ Test a thread with a delayed crash while other threads generate a signal and hit a breakpoint. """
         self.build(dictionary=self.getBuildFlags())
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/concurrent_events/main.cpp b/packages/Python/lldbsuite/test/functionalities/thread/concurrent_events/main.cpp
index ac2535cd2bffa..10b55bff3ba44 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/concurrent_events/main.cpp
+++ b/packages/Python/lldbsuite/test/functionalities/thread/concurrent_events/main.cpp
@@ -23,22 +23,10 @@ using namespace std;
 #include <sys/types.h>
 #include <unistd.h>
 
-// Note that although hogging the CPU while waiting for a variable to change
-// would be terrible in production code, it's great for testing since it
-// avoids a lot of messy context switching to get multiple threads synchronized.
-#define do_nothing()
-
-#define pseudo_barrier_wait(bar) \
-    --bar;                       \
-    while (bar > 0)              \
-        do_nothing();
-
-#define pseudo_barrier_init(bar, count) (bar = count)
-
 typedef std::vector<std::pair<unsigned, void*(*)(void*)> > action_counts;
 typedef std::vector<pthread_t> thread_vector;
 
-std::atomic_int g_barrier;
+pseudo_barrier_t g_barrier;
 int g_breakpoint = 0;
 int g_sigusr1_count = 0;
 std::atomic_int g_watchme;
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/crash_during_step/TestCrashDuringStep.py b/packages/Python/lldbsuite/test/functionalities/thread/crash_during_step/TestCrashDuringStep.py
index 24b5bf0dad364..edd1e885ca9e2 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/crash_during_step/TestCrashDuringStep.py
+++ b/packages/Python/lldbsuite/test/functionalities/thread/crash_during_step/TestCrashDuringStep.py
@@ -8,8 +8,9 @@ from __future__ import print_function
 
 import os
 import lldb
+from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
-import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test import lldbutil
 
 class CreateDuringStepTestCase(TestBase):
 
@@ -19,9 +20,10 @@ class CreateDuringStepTestCase(TestBase):
         TestBase.setUp(self)
         self.breakpoint = line_number('main.cpp', '// Set breakpoint here')
 
-    @expectedFailureWindows("llvm.org/pr24778")
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24778")
     @expectedFailureAndroid("llvm.org/pr24497", archs=['arm', 'aarch64'])
-    @expectedFailureAll(archs=['mips', 'mipsel', 'mips64', 'mips64el'])    # IO error due to breakpoint at invalid address
+    @expectedFailureAll(oslist=["linux"], archs=["arm"], bugnumber="llvm.org/pr24497")
+    @expectedFailureAll(triple = re.compile('^mips'))    # IO error due to breakpoint at invalid address
     def test_step_inst_with(self):
         """Test thread creation during step-inst handling."""
         self.build(dictionary=self.getBuildFlags())
@@ -38,11 +40,8 @@ class CreateDuringStepTestCase(TestBase):
 
         # The stop reason should be breakpoint.
         self.assertEqual(process.GetState(), lldb.eStateStopped, PROCESS_STOPPED)
-        self.assertEqual(lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint).IsValid(), 1,
-                STOPPED_DUE_TO_BREAKPOINT)
-
-        thread = process.GetThreadAtIndex(0)
-        self.assertTrue(thread and thread.IsValid(), "Thread is valid")
+        thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
+        self.assertTrue(thread.IsValid(), STOPPED_DUE_TO_BREAKPOINT)
 
         # Keep stepping until the inferior crashes
         while process.GetState() == lldb.eStateStopped and not lldbutil.is_thread_crashed(self, thread):
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/create_after_attach/TestCreateAfterAttach.py b/packages/Python/lldbsuite/test/functionalities/thread/create_after_attach/TestCreateAfterAttach.py
index 977254343aa00..1cb97355395fa 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/create_after_attach/TestCreateAfterAttach.py
+++ b/packages/Python/lldbsuite/test/functionalities/thread/create_after_attach/TestCreateAfterAttach.py
@@ -8,8 +8,9 @@ from __future__ import print_function
 
 import os, time
 import lldb
+from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
-import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test import lldbutil
 
 class CreateAfterAttachTestCase(TestBase):
 
@@ -29,7 +30,6 @@ class CreateAfterAttachTestCase(TestBase):
                    # for FreeBSD.
     @skipIfRemote
     @skipIfWindows # Windows doesn't have fork.
-    @expectedFlakeyLinux("llvm.org/pr16229") # 1/100 dosep, build 3546, clang-3.5 x84_64
     @skipIfiOSSimulator
     def test_create_after_attach_with_fork(self):
         """Test thread creation after process attach."""
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/create_during_step/TestCreateDuringStep.py b/packages/Python/lldbsuite/test/functionalities/thread/create_during_step/TestCreateDuringStep.py
index 046a86509c0f3..9401826e304e8 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/create_during_step/TestCreateDuringStep.py
+++ b/packages/Python/lldbsuite/test/functionalities/thread/create_during_step/TestCreateDuringStep.py
@@ -8,35 +8,36 @@ from __future__ import print_function
 
 import os, time
 import lldb
+from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
-import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test import lldbutil
 
 class CreateDuringStepTestCase(TestBase):
 
     mydir = TestBase.compute_mydir(__file__)
 
-    @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained
-    @expectedFailureFreeBSD("llvm.org/pr18190") # thread states not properly maintained
-    @expectedFailureLinux("llvm.org/pr15824") # thread states not properly maintained
-    @expectedFailureWindows("llvm.org/pr24668") # Breakpoints not resolved correctly
+    @expectedFailureAll(oslist=["linux"], bugnumber="llvm.org/pr15824 thread states not properly maintained")
+    @expectedFailureAll(oslist=lldbplatformutil.getDarwinOSTriples(), bugnumber="llvm.org/pr15824 thread states not properly maintained")
+    @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr18190 thread states not properly maintained")
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly")
     def test_step_inst(self):
         """Test thread creation during step-inst handling."""
         self.build(dictionary=self.getBuildFlags())
         self.create_during_step_base("thread step-inst -m all-threads", 'stop reason = instruction step')
 
-    @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained
-    @expectedFailureFreeBSD("llvm.org/pr18190") # thread states not properly maintained
-    @expectedFailureLinux("llvm.org/pr15824") # thread states not properly maintained
-    @expectedFailureWindows("llvm.org/pr24668") # Breakpoints not resolved correctly
+    @expectedFailureAll(oslist=["linux"], bugnumber="llvm.org/pr15824 thread states not properly maintained")
+    @expectedFailureAll(oslist=lldbplatformutil.getDarwinOSTriples(), bugnumber="llvm.org/pr15824 thread states not properly maintained")
+    @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr18190 thread states not properly maintained")
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly")
     def test_step_over(self):
         """Test thread creation during step-over handling."""
         self.build(dictionary=self.getBuildFlags())
         self.create_during_step_base("thread step-over -m all-threads", 'stop reason = step over')
 
-    @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained
-    @expectedFailureFreeBSD("llvm.org/pr18190") # thread states not properly maintained
-    @expectedFailureLinux("llvm.org/pr15824") # thread states not properly maintained
-    @expectedFailureWindows("llvm.org/pr24668") # Breakpoints not resolved correctly
+    @expectedFailureAll(oslist=["linux"], bugnumber="llvm.org/pr15824 thread states not properly maintained")
+    @expectedFailureAll(oslist=lldbplatformutil.getDarwinOSTriples(), bugnumber="llvm.org/pr15824 thread states not properly maintained")
+    @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr18190 thread states not properly maintained")
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly")
     def test_step_in(self):
         """Test thread creation during step-in handling."""
         self.build(dictionary=self.getBuildFlags())
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/create_during_step/main.cpp b/packages/Python/lldbsuite/test/functionalities/thread/create_during_step/main.cpp
index 3a00248c022a2..70681fd11603b 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/create_during_step/main.cpp
+++ b/packages/Python/lldbsuite/test/functionalities/thread/create_during_step/main.cpp
@@ -13,19 +13,9 @@
 #include <atomic>
 #include <thread>
 
-// Note that although hogging the CPU while waiting for a variable to change
-// would be terrible in production code, it's great for testing since it
-// avoids a lot of messy context switching to get multiple threads synchronized.
 #define do_nothing()
 
-#define pseudo_barrier_wait(bar) \
-    --bar;                       \
-    while (bar > 0)              \
-        do_nothing();
-
-#define pseudo_barrier_init(bar, count) (bar = count)
-
-std::atomic_int g_barrier;
+pseudo_barrier_t g_barrier;
 
 volatile int g_thread_created = 0;
 volatile int g_test = 0;
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/exit_during_break/TestExitDuringBreak.py b/packages/Python/lldbsuite/test/functionalities/thread/exit_during_break/TestExitDuringBreak.py
index f999ffe108f37..2c394263d36e1 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/exit_during_break/TestExitDuringBreak.py
+++ b/packages/Python/lldbsuite/test/functionalities/thread/exit_during_break/TestExitDuringBreak.py
@@ -8,8 +8,9 @@ from __future__ import print_function
 
 import os, time
 import lldb
+from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
-import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test import lldbutil
 
 class ExitDuringBreakpointTestCase(TestBase):
 
@@ -21,10 +22,10 @@ class ExitDuringBreakpointTestCase(TestBase):
         # Find the line number for our breakpoint.
         self.breakpoint = line_number('main.cpp', '// Set breakpoint here')
 
-    @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained
-    @expectedFailureFreeBSD("llvm.org/pr18190") # thread states not properly maintained
-    @expectedFailureLinux("llvm.org/pr15824") # thread states not properly maintained
-    @expectedFailureWindows("llvm.org/pr24668") # Breakpoints not resolved correctly
+    @expectedFailureAll(oslist=["linux"], bugnumber="llvm.org/pr15824 thread states not properly maintained")
+    @expectedFailureAll(oslist=lldbplatformutil.getDarwinOSTriples(), bugnumber="llvm.org/pr15824 thread states not properly maintained")
+    @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr18190 thread states not properly maintained")
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly")
     def test(self):
         """Test thread exit during breakpoint handling."""
         self.build(dictionary=self.getBuildFlags())
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/exit_during_break/main.cpp b/packages/Python/lldbsuite/test/functionalities/thread/exit_during_break/main.cpp
index 3570637207d2d..a032da835ea6a 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/exit_during_break/main.cpp
+++ b/packages/Python/lldbsuite/test/functionalities/thread/exit_during_break/main.cpp
@@ -19,27 +19,15 @@
 
 volatile int g_test = 0;
 
-// Note that although hogging the CPU while waiting for a variable to change
-// would be terrible in production code, it's great for testing since it
-// avoids a lot of messy context switching to get multiple threads synchronized.
-#define do_nothing()  
-
-#define pseudo_barrier_wait(bar) \
-    --bar;                       \
-    while (bar > 0)              \
-        do_nothing();
-
-#define pseudo_barrier_init(bar, count) (bar = count)
-
 // A barrier to synchronize all the threads except the one that will exit.
-std::atomic_int g_barrier1;
+pseudo_barrier_t g_barrier1;
 
 // A barrier to synchronize all the threads including the one that will exit.
-std::atomic_int g_barrier2;
+pseudo_barrier_t g_barrier2;
 
 // A barrier to keep the first group of threads from exiting until after the
 // breakpoint has been passed.
-std::atomic_int g_barrier3;
+pseudo_barrier_t g_barrier3;
 
 void *
 break_thread_func ()
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/exit_during_step/TestExitDuringStep.py b/packages/Python/lldbsuite/test/functionalities/thread/exit_during_step/TestExitDuringStep.py
index 67d1c96fd3424..af4a022ed0c15 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/exit_during_step/TestExitDuringStep.py
+++ b/packages/Python/lldbsuite/test/functionalities/thread/exit_during_step/TestExitDuringStep.py
@@ -8,42 +8,31 @@ from __future__ import print_function
 
 import os, time
 import lldb
+from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
-import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test import lldbutil
 
 class ExitDuringStepTestCase(TestBase):
 
     mydir = TestBase.compute_mydir(__file__)
 
-    @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained
-    @expectedFailureFreeBSD("llvm.org/pr18190") # thread states not properly maintained
-    @expectedFailureLinux("llvm.org/pr15824") # thread states not properly maintained
-    @expectedFailureWindows("llvm.org/pr24681")
-    def test_thread_state_is_stopped(self):
-        """Test thread exit during step handling."""
-        self.build(dictionary=self.getBuildFlags())
-        self.exit_during_step_base("thread step-in -m all-threads", 'stop reason = step in', True)
-
     @skipIfFreeBSD # llvm.org/pr21411: test is hanging
-    @expectedFailureWindows("llvm.org/pr24681")
     def test(self):
         """Test thread exit during step handling."""
         self.build(dictionary=self.getBuildFlags())
-        self.exit_during_step_base("thread step-inst -m all-threads", 'stop reason = instruction step', False)
+        self.exit_during_step_base("thread step-inst -m all-threads", 'stop reason = instruction step')
 
     @skipIfFreeBSD # llvm.org/pr21411: test is hanging
-    @expectedFailureWindows("llvm.org/pr24681")
     def test_step_over(self):
         """Test thread exit during step-over handling."""
         self.build(dictionary=self.getBuildFlags())
-        self.exit_during_step_base("thread step-over -m all-threads", 'stop reason = step over', False)
+        self.exit_during_step_base("thread step-over -m all-threads", 'stop reason = step over')
 
     @skipIfFreeBSD # llvm.org/pr21411: test is hanging
-    @expectedFailureWindows("llvm.org/pr24681")
     def test_step_in(self):
         """Test thread exit during step-in handling."""
         self.build(dictionary=self.getBuildFlags())
-        self.exit_during_step_base("thread step-in -m all-threads", 'stop reason = step in', False)
+        self.exit_during_step_base("thread step-in -m all-threads", 'stop reason = step in')
 
     def setUp(self):
         # Call super's setUp().
@@ -52,7 +41,7 @@ class ExitDuringStepTestCase(TestBase):
         self.breakpoint = line_number('main.cpp', '// Set breakpoint here')
         self.continuepoint = line_number('main.cpp', '// Continue from here')
 
-    def exit_during_step_base(self, step_cmd, step_stop_reason, test_thread_state):
+    def exit_during_step_base(self, step_cmd, step_stop_reason):
         """Test thread exit during step handling."""
         exe = os.path.join(os.getcwd(), "a.out")
         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
@@ -76,37 +65,16 @@ class ExitDuringStepTestCase(TestBase):
         target = self.dbg.GetSelectedTarget()
         process = target.GetProcess()
 
-        # Get the number of threads
         num_threads = process.GetNumThreads()
-
         # Make sure we see all three threads
-        self.assertTrue(num_threads == 3, 'Number of expected threads and actual threads do not match.')
-
-        # Get the thread objects
-        thread1 = process.GetThreadAtIndex(0)
-        thread2 = process.GetThreadAtIndex(1)
-        thread3 = process.GetThreadAtIndex(2)
-
-        # Make sure all threads are stopped
-        if test_thread_state:
-            self.assertTrue(thread1.IsStopped(), "Thread 1 didn't stop during breakpoint")
-            self.assertTrue(thread2.IsStopped(), "Thread 2 didn't stop during breakpoint")
-            self.assertTrue(thread3.IsStopped(), "Thread 3 didn't stop during breakpoint")
-            return
-
-        # Find the thread that is stopped at the breakpoint
-        stepping_thread = None
-        for thread in process:
-            expected_bp_desc = "breakpoint %s." % self.bp_num
-            stop_desc = thread.GetStopDescription(100)
-            if stop_desc and (expected_bp_desc in stop_desc):
-                stepping_thread = thread
-                break
-        self.assertTrue(stepping_thread != None, "unable to find thread stopped at %s" % expected_bp_desc)
+        self.assertGreaterEqual(num_threads, 3, 'Number of expected threads and actual threads do not match.')
+
+        stepping_thread = lldbutil.get_one_thread_stopped_at_breakpoint_id(process, self.bp_num)
+        self.assertIsNotNone(stepping_thread, "Could not find a thread stopped at the breakpoint")
 
         current_line = self.breakpoint
         stepping_frame = stepping_thread.GetFrameAtIndex(0)
-        self.assertTrue(current_line == stepping_frame.GetLineEntry().GetLine(), "Starting line for stepping doesn't match breakpoint line.")
+        self.assertEqual(current_line, stepping_frame.GetLineEntry().GetLine(), "Starting line for stepping doesn't match breakpoint line.")
 
         # Keep stepping until we've reached our designated continue point
         while current_line != self.continuepoint:
@@ -122,16 +90,16 @@ class ExitDuringStepTestCase(TestBase):
 
             current_line = frame.GetLineEntry().GetLine()
 
-            self.assertTrue(current_line >= self.breakpoint, "Stepped to unexpected line, " + str(current_line))
-            self.assertTrue(current_line <= self.continuepoint, "Stepped to unexpected line, " + str(current_line))
+            self.assertGreaterEqual(current_line, self.breakpoint, "Stepped to unexpected line, " + str(current_line))
+            self.assertLessEqual(current_line, self.continuepoint, "Stepped to unexpected line, " + str(current_line))
 
         self.runCmd("thread list")
 
         # Update the number of threads
-        num_threads = process.GetNumThreads()
+        new_num_threads = process.GetNumThreads()
 
         # Check to see that we reduced the number of threads as expected
-        self.assertTrue(num_threads == 2, 'Number of expected threads and actual threads do not match after thread exit.')
+        self.assertEqual(new_num_threads, num_threads-1, 'Number of threads did not reduce by 1 after thread exit.')
 
         self.expect("thread list", 'Process state is stopped due to step',
                 substrs = ['stopped',
@@ -141,4 +109,4 @@ class ExitDuringStepTestCase(TestBase):
         self.runCmd("continue")
 
         # At this point, the inferior process should have exited.
-        self.assertTrue(process.GetState() == lldb.eStateExited, PROCESS_EXITED)
+        self.assertEqual(process.GetState(), lldb.eStateExited, PROCESS_EXITED)
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/exit_during_step/main.cpp b/packages/Python/lldbsuite/test/functionalities/thread/exit_during_step/main.cpp
index d1b364b8baa2f..45adf28ce8130 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/exit_during_step/main.cpp
+++ b/packages/Python/lldbsuite/test/functionalities/thread/exit_during_step/main.cpp
@@ -12,20 +12,10 @@
 
 #include <thread>
 
-// Note that although hogging the CPU while waiting for a variable to change
-// would be terrible in production code, it's great for testing since it
-// avoids a lot of messy context switching to get multiple threads synchronized.
 #define do_nothing()
 
-#define pseudo_barrier_wait(bar) \
-    --bar;                       \
-    while (bar > 0)              \
-        do_nothing();
-
-#define pseudo_barrier_init(bar, count) (bar = count)
-
 // A barrier to synchronize thread start.
-volatile int g_barrier;
+pseudo_barrier_t g_barrier;
 
 volatile int g_thread_exited = 0;
 
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/jump/TestThreadJump.py b/packages/Python/lldbsuite/test/functionalities/thread/jump/TestThreadJump.py
index 768e2fe4f87a8..4c55bcd982a74 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/jump/TestThreadJump.py
+++ b/packages/Python/lldbsuite/test/functionalities/thread/jump/TestThreadJump.py
@@ -8,8 +8,9 @@ from __future__ import print_function
 
 import os, time
 import lldb
+from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
-import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test import lldbutil
 
 class ThreadJumpTestCase(TestBase):
 
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/multi_break/TestMultipleBreakpoints.py b/packages/Python/lldbsuite/test/functionalities/thread/multi_break/TestMultipleBreakpoints.py
index 9dd2124122160..d4b1eb32a9ae6 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/multi_break/TestMultipleBreakpoints.py
+++ b/packages/Python/lldbsuite/test/functionalities/thread/multi_break/TestMultipleBreakpoints.py
@@ -8,8 +8,9 @@ from __future__ import print_function
 
 import os, time
 import lldb
+from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
-import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test import lldbutil
 
 class MultipleBreakpointTestCase(TestBase):
 
@@ -21,10 +22,10 @@ class MultipleBreakpointTestCase(TestBase):
         # Find the line number for our breakpoint.
         self.breakpoint = line_number('main.cpp', '// Set breakpoint here')
 
-    @expectedFailureDarwin("llvm.org/pr15824") # thread states not properly maintained
-    @expectedFailureFreeBSD("llvm.org/pr18190") # thread states not properly maintained
-    @expectedFailureLinux("llvm.org/pr15824") # thread states not properly maintained
-    @expectedFailureWindows("llvm.org/pr24668") # Breakpoints not resolved correctly
+    @expectedFailureAll(oslist=["linux"], bugnumber="llvm.org/pr15824 thread states not properly maintained")
+    @expectedFailureAll(oslist=lldbplatformutil.getDarwinOSTriples(), bugnumber="llvm.org/pr15824 thread states not properly maintained")
+    @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr18190 thread states not properly maintained")
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly")
     def test(self):
         """Test simultaneous breakpoints in multiple threads."""
         self.build(dictionary=self.getBuildFlags())
@@ -55,7 +56,7 @@ class MultipleBreakpointTestCase(TestBase):
         num_threads = process.GetNumThreads()
 
         # Make sure we see all three threads
-        self.assertTrue(num_threads == 3, 'Number of expected threads and actual threads do not match.')
+        self.assertTrue(num_threads >= 3, 'Number of expected threads and actual threads do not match.')
 
         # Get the thread objects
         thread1 = process.GetThreadAtIndex(0)
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/multi_break/main.cpp b/packages/Python/lldbsuite/test/functionalities/thread/multi_break/main.cpp
index 01f4b8f98ea76..c3d695dbc7453 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/multi_break/main.cpp
+++ b/packages/Python/lldbsuite/test/functionalities/thread/multi_break/main.cpp
@@ -15,19 +15,7 @@
 #include <atomic>
 #include <thread>
 
-// Note that although hogging the CPU while waiting for a variable to change
-// would be terrible in production code, it's great for testing since it
-// avoids a lot of messy context switching to get multiple threads synchronized.
-#define do_nothing()
-
-#define pseudo_barrier_wait(bar) \
-    --bar;                       \
-    while (bar > 0)              \
-        do_nothing();
-
-#define pseudo_barrier_init(bar, count) (bar = count)
-
-std::atomic_int g_barrier;
+pseudo_barrier_t g_barrier;
 
 volatile int g_test = 0;
 
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/state/TestThreadStates.py b/packages/Python/lldbsuite/test/functionalities/thread/state/TestThreadStates.py
index 4938ec50453e0..5afb57bf4ba89 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/state/TestThreadStates.py
+++ b/packages/Python/lldbsuite/test/functionalities/thread/state/TestThreadStates.py
@@ -9,25 +9,26 @@ from __future__ import print_function
 import unittest2
 import os, time
 import lldb
+from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
-import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test import lldbutil
 
 class ThreadStateTestCase(TestBase):
 
     mydir = TestBase.compute_mydir(__file__)
 
-    @expectedFailureDarwin("rdar://15367566")
-    @expectedFailureFreeBSD('llvm.org/pr15824')
-    @expectedFailureLinux("llvm.org/pr15824") # thread states not properly maintained
+    @expectedFailureAll(oslist=["linux"], bugnumber="llvm.org/pr15824 thread states not properly maintained")
+    @expectedFailureAll(oslist=lldbplatformutil.getDarwinOSTriples(), bugnumber="llvm.org/pr15824 thread states not properly maintained")
+    @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr18190 thread states not properly maintained")
     def test_state_after_breakpoint(self):
         """Test thread state after breakpoint."""
         self.build(dictionary=self.getBuildFlags(use_cpp11=False))
         self.thread_state_after_breakpoint_test()
 
     @skipIfDarwin # 'llvm.org/pr23669', cause Python crash randomly
-    @expectedFailureDarwin('llvm.org/pr23669')
-    @expectedFailureFreeBSD('llvm.org/pr15824')
-    @expectedFailureWindows("llvm.org/pr24660")
+    @expectedFailureAll(oslist=lldbplatformutil.getDarwinOSTriples(), bugnumber="llvm.org/pr23669")
+    @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr15824")
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24660")
     def test_state_after_continue(self):
         """Test thread state after continue."""
         self.build(dictionary=self.getBuildFlags(use_cpp11=False))
@@ -35,7 +36,7 @@ class ThreadStateTestCase(TestBase):
 
     @skipIfDarwin # 'llvm.org/pr23669', cause Python crash randomly
     @expectedFailureDarwin('llvm.org/pr23669')
-    @expectedFailureWindows("llvm.org/pr24660")
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24660")
     @unittest2.expectedFailure("llvm.org/pr16712") # thread states not properly maintained
     def test_state_after_expression(self):
         """Test thread state after expression."""
@@ -43,14 +44,14 @@ class ThreadStateTestCase(TestBase):
         self.thread_state_after_expression_test()
 
     @unittest2.expectedFailure("llvm.org/pr16712") # thread states not properly maintained
-    @expectedFailureWindows("llvm.org/pr24668") # Breakpoints not resolved correctly
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly")
     def test_process_interrupt(self):
         """Test process interrupt."""
         self.build(dictionary=self.getBuildFlags(use_cpp11=False))
         self.process_interrupt_test()
 
     @unittest2.expectedFailure("llvm.org/pr15824") # thread states not properly maintained
-    @expectedFailureWindows("llvm.org/pr24668") # Breakpoints not resolved correctly
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24668: Breakpoints not resolved correctly")
     def test_process_state(self):
         """Test thread states (comprehensive)."""
         self.build(dictionary=self.getBuildFlags(use_cpp11=False))
@@ -69,28 +70,17 @@ class ThreadStateTestCase(TestBase):
         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
 
         # This should create a breakpoint in the main thread.
-        lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_1, num_expected_locations=1)
+        bp = lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_1, num_expected_locations=1)
 
         # Run the program.
         self.runCmd("run", RUN_SUCCEEDED)
 
-        # The stop reason of the thread should be breakpoint.
-        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
-            substrs = ['stopped',
-                       '* thread #1',
-                       'stop reason = breakpoint'])
-
         # Get the target process
         target = self.dbg.GetSelectedTarget()
         process = target.GetProcess()
 
-        # Get the number of threads
-        num_threads = process.GetNumThreads()
-
-        self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match.')
-
-        # Get the thread object
-        thread = process.GetThreadAtIndex(0)
+        thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
+        self.assertIsNotNone(thread)
 
         # Make sure the thread is in the stopped state.
         self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' during breakpoint 1.")
@@ -99,11 +89,11 @@ class ThreadStateTestCase(TestBase):
         # Kill the process
         self.runCmd("process kill")
 
-    def wait_for_running_event(self):
+    def wait_for_running_event(self, process):
         listener = self.dbg.GetListener()
         if lldb.remote_platform:
-            lldbutil.expect_state_changes(self, listener, [lldb.eStateConnected])
-        lldbutil.expect_state_changes(self, listener, [lldb.eStateRunning])
+            lldbutil.expect_state_changes(self, listener, process, [lldb.eStateConnected])
+        lldbutil.expect_state_changes(self, listener, process, [lldb.eStateRunning])
 
     def thread_state_after_continue_test(self):
         """Test thread state after continue."""
@@ -117,28 +107,17 @@ class ThreadStateTestCase(TestBase):
         # Run the program.
         self.runCmd("run", RUN_SUCCEEDED)
 
-        # The stop reason of the thread should be breakpoint.
-        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
-            substrs = ['stopped',
-                       '* thread #1',
-                       'stop reason = breakpoint'])
-
         # Get the target process
         target = self.dbg.GetSelectedTarget()
         process = target.GetProcess()
 
-        # Get the number of threads
-        num_threads = process.GetNumThreads()
-
-        self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match.')
-
-        # Get the thread object
-        thread = process.GetThreadAtIndex(0)
+        thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
+        self.assertIsNotNone(thread)
 
         # Continue, the inferior will go into an infinite loop waiting for 'g_test' to change.
         self.dbg.SetAsync(True)
         self.runCmd("continue")
-        self.wait_for_running_event()
+        self.wait_for_running_event(process)
 
         # Check the thread state. It should be running.
         self.assertFalse(thread.IsStopped(), "Thread state is \'stopped\' when it should be running.")
@@ -162,23 +141,12 @@ class ThreadStateTestCase(TestBase):
         # Run the program.
         self.runCmd("run", RUN_SUCCEEDED)
 
-        # The stop reason of the thread should be breakpoint.
-        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
-            substrs = ['stopped',
-                       '* thread #1',
-                       'stop reason = breakpoint'])
-
         # Get the target process
         target = self.dbg.GetSelectedTarget()
         process = target.GetProcess()
 
-        # Get the number of threads
-        num_threads = process.GetNumThreads()
-
-        self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match.')
-
-        # Get the thread object
-        thread = process.GetThreadAtIndex(0)
+        thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
+        self.assertIsNotNone(thread)
 
         # Get the inferior out of its loop
         self.runCmd("expression g_test = 1")
@@ -202,25 +170,17 @@ class ThreadStateTestCase(TestBase):
         # Run the program.
         self.runCmd("run", RUN_SUCCEEDED)
 
-        # The stop reason of the thread should be breakpoint.
-        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
-            substrs = ['stopped',
-                       '* thread #1',
-                       'stop reason = breakpoint'])
-
         # Get the target process
         target = self.dbg.GetSelectedTarget()
         process = target.GetProcess()
 
-        # Get the number of threads
-        num_threads = process.GetNumThreads()
-
-        self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match.')
+        thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
+        self.assertIsNotNone(thread)
 
         # Continue, the inferior will go into an infinite loop waiting for 'g_test' to change.
         self.dbg.SetAsync(True)
         self.runCmd("continue")
-        self.wait_for_running_event()
+        self.wait_for_running_event(process)
 
         # Go back to synchronous interactions
         self.dbg.SetAsync(False)
@@ -228,11 +188,7 @@ class ThreadStateTestCase(TestBase):
         # Stop the process
         self.runCmd("process interrupt")
 
-        # The stop reason of the thread should be signal.
-        self.expect("process status", STOPPED_DUE_TO_SIGNAL,
-            substrs = ['stopped',
-                       '* thread #1',
-                       'stop reason = signal'])
+        self.assertEqual(thread.GetStopReason(), lldb.eStopReasonSignal)
 
         # Get the inferior out of its loop
         self.runCmd("expression g_test = 1")
@@ -252,23 +208,11 @@ class ThreadStateTestCase(TestBase):
         # Run the program.
         self.runCmd("run", RUN_SUCCEEDED)
 
-        # The stop reason of the thread should be breakpoint.
-        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
-            substrs = ['stopped',
-                       '* thread #1',
-                       'stop reason = breakpoint'])
-
         # Get the target process
         target = self.dbg.GetSelectedTarget()
         process = target.GetProcess()
-
-        # Get the number of threads
-        num_threads = process.GetNumThreads()
-
-        self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match.')
-
-        # Get the thread object
-        thread = process.GetThreadAtIndex(0)
+        thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
+        self.assertIsNotNone(thread)
 
         # Make sure the thread is in the stopped state.
         self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' during breakpoint 1.")
@@ -277,7 +221,7 @@ class ThreadStateTestCase(TestBase):
         # Continue, the inferior will go into an infinite loop waiting for 'g_test' to change.
         self.dbg.SetAsync(True)
         self.runCmd("continue")
-        self.wait_for_running_event()
+        self.wait_for_running_event(process)
 
         # Check the thread state. It should be running.
         self.assertFalse(thread.IsStopped(), "Thread state is \'stopped\' when it should be running.")
@@ -289,11 +233,7 @@ class ThreadStateTestCase(TestBase):
         # Stop the process
         self.runCmd("process interrupt")
 
-        # The stop reason of the thread should be signal.
-        self.expect("process status", STOPPED_DUE_TO_SIGNAL,
-            substrs = ['stopped',
-                       '* thread #1',
-                       'stop reason = signal'])
+        self.assertEqual(thread.GetState(), lldb.eStopReasonSignal)
 
         # Check the thread state
         self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' after process stop.")
@@ -306,20 +246,12 @@ class ThreadStateTestCase(TestBase):
         self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' after expression evaluation.")
         self.assertFalse(thread.IsSuspended(), "Thread state is \'suspended\' after expression evaluation.")
 
-        # The stop reason of the thread should be signal.
-        self.expect("process status", STOPPED_DUE_TO_SIGNAL,
-            substrs = ['stopped',
-                       '* thread #1',
-                       'stop reason = signal'])
+        self.assertEqual(thread.GetState(), lldb.eStopReasonSignal)
 
         # Run to breakpoint 2
         self.runCmd("continue")
 
-        # The stop reason of the thread should be breakpoint.
-        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
-            substrs = ['stopped',
-                       '* thread #1',
-                       'stop reason = breakpoint'])
+        self.assertEqual(thread.GetState(), lldb.eStopReasonBreakpoint)
 
         # Make sure both threads are stopped
         self.assertTrue(thread.IsStopped(), "Thread state isn't \'stopped\' during breakpoint 2.")
@@ -329,4 +261,4 @@ class ThreadStateTestCase(TestBase):
         self.runCmd("continue")
 
         # At this point, the inferior process should have exited.
-        self.assertTrue(process.GetState() == lldb.eStateExited, PROCESS_EXITED)
+        self.assertEqual(process.GetState(), lldb.eStateExited, PROCESS_EXITED)
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/step_out/TestThreadStepOut.py b/packages/Python/lldbsuite/test/functionalities/thread/step_out/TestThreadStepOut.py
index b2d966c4c0f3d..735ee80d624e3 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/step_out/TestThreadStepOut.py
+++ b/packages/Python/lldbsuite/test/functionalities/thread/step_out/TestThreadStepOut.py
@@ -8,35 +8,36 @@ from __future__ import print_function
 
 import os, time
 import lldb
+from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
-import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test import lldbutil
 
 class ThreadStepOutTestCase(TestBase):
 
     mydir = TestBase.compute_mydir(__file__)
 
     @skipIfLinux                              # Test occasionally times out on the Linux build bot
-    @expectedFailureLinux("llvm.org/pr23477") # Test occasionally times out on the Linux build bot
-    @expectedFailureFreeBSD("llvm.org/pr18066") # inferior does not exit
-    @expectedFailureWindows # Test crashes
+    @expectedFailureAll(oslist=["linux"], bugnumber="llvm.org/pr23477 Test occasionally times out on the Linux build bot")
+    @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr18066 inferior does not exit")
+    @expectedFailureAll(oslist=["windows"])
     def test_step_single_thread(self):
         """Test thread step out on one thread via command interpreter. """
         self.build(dictionary=self.getBuildFlags())
         self.step_out_test(self.step_out_single_thread_with_cmd)
 
     @skipIfLinux                              # Test occasionally times out on the Linux build bot
-    @expectedFailureLinux("llvm.org/pr23477") # Test occasionally times out on the Linux build bot
-    @expectedFailureFreeBSD("llvm.org/pr19347") # 2nd thread stops at breakpoint
-    @expectedFailureWindows # Test crashes
+    @expectedFailureAll(oslist=["linux"], bugnumber="llvm.org/pr23477 Test occasionally times out on the Linux build bot")
+    @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr19347 2nd thread stops at breakpoint")
+    @expectedFailureAll(oslist=["windows"])
     def test_step_all_threads(self):
         """Test thread step out on all threads via command interpreter. """
         self.build(dictionary=self.getBuildFlags())
         self.step_out_test(self.step_out_all_threads_with_cmd)
 
     @skipIfLinux                              # Test occasionally times out on the Linux build bot
-    @expectedFailureLinux("llvm.org/pr23477") # Test occasionally times out on the Linux build bot
-    @expectedFailureFreeBSD("llvm.org/pr19347")
-    @expectedFailureWindows("llvm.org/pr24681")
+    @expectedFailureAll(oslist=["linux"], bugnumber="llvm.org/pr23477 Test occasionally times out on the Linux build bot")
+    @expectedFailureAll(oslist=["freebsd"], bugnumber="llvm.org/pr19347 2nd thread stops at breakpoint")
+    @expectedFailureAll(oslist=["windows"], bugnumber="llvm.org/pr24681")
     def test_python(self):
         """Test thread step out on one thread via Python API (dwarf)."""
         self.build(dictionary=self.getBuildFlags())
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/step_out/main.cpp b/packages/Python/lldbsuite/test/functionalities/thread/step_out/main.cpp
index b4c6216d6bfe0..31f9a1576b929 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/step_out/main.cpp
+++ b/packages/Python/lldbsuite/test/functionalities/thread/step_out/main.cpp
@@ -13,19 +13,7 @@
 #include <atomic>
 #include <thread>
 
-// Note that although hogging the CPU while waiting for a variable to change
-// would be terrible in production code, it's great for testing since it
-// avoids a lot of messy context switching to get multiple threads synchronized.
-#define do_nothing()
-
-#define pseudo_barrier_wait(bar) \
-    --bar;                       \
-    while (bar > 0)              \
-        do_nothing();
-
-#define pseudo_barrier_init(bar, count) (bar = count)
-
-std::atomic_int g_barrier;
+pseudo_barrier_t g_barrier;
 
 volatile int g_test = 0;
 
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/thread_exit/TestThreadExit.py b/packages/Python/lldbsuite/test/functionalities/thread/thread_exit/TestThreadExit.py
index f785401277a47..2ba6f2e57f2b5 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/thread_exit/TestThreadExit.py
+++ b/packages/Python/lldbsuite/test/functionalities/thread/thread_exit/TestThreadExit.py
@@ -24,7 +24,6 @@ class ThreadExitTestCase(TestBase):
         self.break_3 = line_number('main.cpp', '// Set third breakpoint here')
         self.break_4 = line_number('main.cpp', '// Set fourth breakpoint here')
 
-    @expectedFailureWindows("llvm.org/pr24681")
     def test(self):
         """Test thread exit handling."""
         self.build(dictionary=self.getBuildFlags())
@@ -32,10 +31,10 @@ class ThreadExitTestCase(TestBase):
         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
 
         # This should create a breakpoint with 1 location.
-        lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_1, num_expected_locations=1)
-        lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_2, num_expected_locations=1)
-        lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_3, num_expected_locations=1)
-        lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_4, num_expected_locations=1)
+        bp1_id = lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_1, num_expected_locations=1)
+        bp2_id = lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_2, num_expected_locations=1)
+        bp3_id = lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_3, num_expected_locations=1)
+        bp4_id = lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.break_4, num_expected_locations=1)
 
         # The breakpoint list should show 1 locations.
         self.expect("breakpoint list -f", "Breakpoint location shown correctly",
@@ -46,71 +45,46 @@ class ThreadExitTestCase(TestBase):
 
         # Run the program.
         self.runCmd("run", RUN_SUCCEEDED)
-
-        # The stop reason of the thread should be breakpoint 1.
-        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT + " 1",
-            substrs = ['stopped',
-                       '* thread #1',
-                       'stop reason = breakpoint 1',
-                       'thread #2'])
-
         # Get the target process
         target = self.dbg.GetSelectedTarget()
         process = target.GetProcess()
 
+        stopped_thread = lldbutil.get_one_thread_stopped_at_breakpoint_id(process, bp1_id)
+        self.assertIsNotNone(stopped_thread, "Process is not stopped at breakpoint 1")
+
         # Get the number of threads
         num_threads = process.GetNumThreads()
-
-        self.assertTrue(num_threads == 2, 'Number of expected threads and actual threads do not match at breakpoint 1.')
+        self.assertGreaterEqual(num_threads, 2, 'Number of expected threads and actual threads do not match at breakpoint 1.')
 
         # Run to the second breakpoint
         self.runCmd("continue")
-
-        # The stop reason of the thread should be breakpoint 1.
-        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT + " 2",
-            substrs = ['stopped',
-                       'thread #1',
-                       'thread #2',
-                       'stop reason = breakpoint 2',
-                       'thread #3'])
+        stopped_thread = lldbutil.get_one_thread_stopped_at_breakpoint_id(process, bp2_id)
+        self.assertIsNotNone(stopped_thread, "Process is not stopped at breakpoint 2")
 
         # Update the number of threads
-        num_threads = process.GetNumThreads()
-
-        self.assertTrue(num_threads == 3, 'Number of expected threads and actual threads do not match at breakpoint 2.')
+        new_num_threads = process.GetNumThreads()
+        self.assertEqual(new_num_threads, num_threads+1, 'Number of expected threads did not increase by 1 at bp 2.')
 
         # Run to the third breakpoint
         self.runCmd("continue")
-
-        # The stop reason of the thread should be breakpoint 3.
-        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT + " 3",
-            substrs = ['stopped',
-                       'thread #1',
-                       'stop reason = breakpoint 3',
-                       'thread #3',
-                       ])
+        stopped_thread = lldbutil.get_one_thread_stopped_at_breakpoint_id(process, bp3_id)
+        self.assertIsNotNone(stopped_thread, "Process is not stopped at breakpoint 3")
 
         # Update the number of threads
-        num_threads = process.GetNumThreads()
-
-        self.assertTrue(num_threads == 2, 'Number of expected threads and actual threads do not match at breakpoint 3.')
+        new_num_threads = process.GetNumThreads()
+        self.assertEqual(new_num_threads, num_threads, 'Number of expected threads is not equal to original number of threads at bp 3.')
 
         # Run to the fourth breakpoint
         self.runCmd("continue")
-
-        # The stop reason of the thread should be breakpoint 4.
-        self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT + " 4",
-            substrs = ['stopped',
-                       'thread #1',
-                       'stop reason = breakpoint 4'])
+        stopped_thread = lldbutil.get_one_thread_stopped_at_breakpoint_id(process, bp4_id)
+        self.assertIsNotNone(stopped_thread, "Process is not stopped at breakpoint 4")
 
         # Update the number of threads
-        num_threads = process.GetNumThreads()
-
-        self.assertTrue(num_threads == 1, 'Number of expected threads and actual threads do not match at breakpoint 4.')
+        new_num_threads = process.GetNumThreads()
+        self.assertEqual(new_num_threads, num_threads-1, 'Number of expected threads did not decrease by 1 at bp 4.')
 
         # Run to completion
         self.runCmd("continue")
 
         # At this point, the inferior process should have exited.
-        self.assertTrue(process.GetState() == lldb.eStateExited, PROCESS_EXITED)
+        self.assertEqual(process.GetState(), lldb.eStateExited, PROCESS_EXITED)
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/thread_exit/main.cpp b/packages/Python/lldbsuite/test/functionalities/thread/thread_exit/main.cpp
index e498db7895d2b..c57db9f485277 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/thread_exit/main.cpp
+++ b/packages/Python/lldbsuite/test/functionalities/thread/thread_exit/main.cpp
@@ -12,21 +12,9 @@
 #include <atomic>
 #include <thread>
 
-// Note that although hogging the CPU while waiting for a variable to change
-// would be terrible in production code, it's great for testing since it
-// avoids a lot of messy context switching to get multiple threads synchronized.
-#define do_nothing()
-
-#define pseudo_barrier_wait(bar) \
-    --bar;                       \
-    while (bar > 0)              \
-        do_nothing();
-
-#define pseudo_barrier_init(bar, count) (bar = count)
-
-std::atomic_int g_barrier1;
-std::atomic_int g_barrier2;
-std::atomic_int g_barrier3;
+pseudo_barrier_t g_barrier1;
+pseudo_barrier_t g_barrier2;
+pseudo_barrier_t g_barrier3;
 
 void *
 thread1 ()
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break/TestThreadSpecificBreakpoint.py b/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break/TestThreadSpecificBreakpoint.py
index 3c69b6667f7da..12bacabd0d789 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break/TestThreadSpecificBreakpoint.py
+++ b/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break/TestThreadSpecificBreakpoint.py
@@ -9,15 +9,16 @@ from __future__ import print_function
 import os, time
 import re
 import lldb
-import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
 
 class ThreadSpecificBreakTestCase(TestBase):
 
     mydir = TestBase.compute_mydir(__file__)
 
     @add_test_categories(['pyapi'])
-    @expectedFailureWindows # Thread specific breakpoints cause the inferior to crash
+    @expectedFailureAll(oslist=["windows"])
     def test_python(self):
         """Test that we obey thread conditioned breakpoints."""
         self.build()
diff --git a/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break_plus_condition/TestThreadSpecificBpPlusCondition.py b/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break_plus_condition/TestThreadSpecificBpPlusCondition.py
index 68c96a0fba756..ccb58c965b3fb 100644
--- a/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break_plus_condition/TestThreadSpecificBpPlusCondition.py
+++ b/packages/Python/lldbsuite/test/functionalities/thread/thread_specific_break_plus_condition/TestThreadSpecificBpPlusCondition.py
@@ -10,17 +10,17 @@ from __future__ import print_function
 import os, time
 import re
 import lldb
-import lldbsuite.test.lldbutil as lldbutil
+from lldbsuite.test.decorators import *
 from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
 
 class ThreadSpecificBreakPlusConditionTestCase(TestBase):
 
     mydir = TestBase.compute_mydir(__file__)
 
     @skipIfFreeBSD # test frequently times out or hangs
-    @expectedFailureFreeBSD('llvm.org/pr18522') # hits break in another thread in testrun
+    @expectedFailureAll(oslist=['freebsd'], bugnumber='llvm.org/pr18522') # hits break in another thread in testrun
     @add_test_categories(['pyapi'])
-    @expectedFlakeyLinux # this test fails 6/100 dosep runs
     def test_python(self):
         """Test that we obey thread conditioned breakpoints."""
         self.build()