Skip tests that hang on FreeBSD

There's still significant work to do in the FreeBSD port, so no point
in a pr for these yet.

llvm-svn: 184871

lldb/test/functionalities/thread/create_after_attach/TestCreateAfterAttach.py

@@ -19,6 +19,9 @@ class CreateAfterAttachTestCase(TestBase):
         self.buildDsym(dictionary=self.getBuildFlags(use_cpp11=False))
         self.create_after_attach(use_fork=False)
 
+    @skipIfFreeBSD # Hangs.  May be the same as Linux issue llvm.org/pr16229 but
+                   # not yet investigated.  Revisit once required functionality
+                   # is implemented for FreeBSD.
     @skipIfLinux # Hangs, see llvm.org/pr16229
     @dwarf_test
     def test_create_after_attach_with_dwarf_and_popen(self):
@@ -26,6 +29,8 @@ class CreateAfterAttachTestCase(TestBase):
         self.buildDwarf(dictionary=self.getBuildFlags(use_cpp11=False))
         self.create_after_attach(use_fork=False)
 
+    @skipIfFreeBSD # Hangs. Revisit once required functionality is implemented
+                   # for FreeBSD.
     @dwarf_test
     def test_create_after_attach_with_dwarf_and_fork(self):
         """Test thread creation after process attach."""

lldb/test/lldbtest.py

@@ -588,6 +588,21 @@ def expectedFailureDarwin(bugnumber=None):
               return wrapper
         return expectedFailureDarwin_impl
 
+def skipIfFreeBSD(func):
+    """Decorate the item to skip tests that should be skipped on FreeBSD."""
+    if isinstance(func, type) and issubclass(func, unittest2.TestCase):
+        raise Exception("@skipIfFreeBSD can only be used to decorate a test method")
+    @wraps(func)
+    def wrapper(*args, **kwargs):
+        from unittest2 import case
+        self = args[0]
+        platform = sys.platform
+        if "freebsd" in platform:
+            self.skipTest("skip on FreeBSD")
+        else:
+            func(*args, **kwargs)
+    return wrapper
+
 def skipIfLinux(func):
     """Decorate the item to skip tests that should be skipped on Linux."""
     if isinstance(func, type) and issubclass(func, unittest2.TestCase):