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"""Test function call thread safety."""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestSafeFuncCalls(TestBase):
mydir = TestBase.compute_mydir(__file__)
@skipUnlessDarwin
@add_test_categories(['pyapi'])
def test_with_python_api(self):
"""Test function call thread safety."""
self.build()
exe = self.getBuildArtifact("a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
self.main_source_spec = lldb.SBFileSpec("main.c")
break1 = target.BreakpointCreateByName("stopper", 'a.out')
self.assertTrue(break1, VALID_BREAKPOINT)
process = target.LaunchSimple(
None, None, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
threads = lldbutil.get_threads_stopped_at_breakpoint(process, break1)
self.assertEqual(len(threads), 1, "Failed to stop at breakpoint 1.")
self.assertEqual(
process.GetNumThreads(), 2,
"Check that the process has two threads when sitting at the stopper() breakpoint")
main_thread = lldb.SBThread()
select_thread = lldb.SBThread()
for idx in range(0, process.GetNumThreads()):
t = process.GetThreadAtIndex(idx)
if t.GetName() == "main thread":
main_thread = t
if t.GetName() == "select thread":
select_thread = t
self.assertTrue(
main_thread.IsValid() and select_thread.IsValid(),
"Got both expected threads")
self.assertTrue(main_thread.SafeToCallFunctions(),
"It is safe to call functions on the main thread")
self.assertEqual(
select_thread.SafeToCallFunctions(), False,
"It is not safe to call functions on the select thread")
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