64 lines
2.4 KiB
Python
64 lines
2.4 KiB
Python
"""Test function call thread safety."""
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from __future__ import print_function
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import os, time
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import lldb
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import lldbsuite.test.lldbutil as lldbutil
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from lldbsuite.test.lldbtest import *
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class TestSafeFuncCalls(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Find the line numbers that we will step to in main:
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self.main_source = "main.c"
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@skipUnlessDarwin
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@add_test_categories(['pyapi'])
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def test_with_python_api(self):
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"""Test function call thread safety."""
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self.build()
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exe = os.path.join(os.getcwd(), "a.out")
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target = self.dbg.CreateTarget(exe)
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self.assertTrue(target, VALID_TARGET)
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self.main_source_spec = lldb.SBFileSpec (self.main_source)
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break1 = target.BreakpointCreateByName ("stopper", 'a.out')
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self.assertTrue(break1, VALID_BREAKPOINT)
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process = target.LaunchSimple (None, None, self.get_process_working_directory())
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self.assertTrue(process, PROCESS_IS_VALID)
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threads = lldbutil.get_threads_stopped_at_breakpoint (process, break1)
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if len(threads) != 1:
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self.fail ("Failed to stop at breakpoint 1.")
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self.check_number_of_threads(process)
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main_thread = lldb.SBThread()
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select_thread = lldb.SBThread()
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for idx in range (0, process.GetNumThreads()):
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t = process.GetThreadAtIndex (idx)
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if t.GetName() == "main thread":
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main_thread = t
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if t.GetName() == "select thread":
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select_thread = t
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self.assertTrue(main_thread.IsValid() and select_thread.IsValid(), "Got both expected threads")
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self.safe_to_call_func_on_main_thread (main_thread)
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self.safe_to_call_func_on_select_thread (select_thread)
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def check_number_of_threads(self, process):
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self.assertTrue(process.GetNumThreads() == 2, "Check that the process has two threads when sitting at the stopper() breakpoint")
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def safe_to_call_func_on_main_thread (self, main_thread):
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self.assertTrue(main_thread.SafeToCallFunctions() == True, "It is safe to call functions on the main thread")
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def safe_to_call_func_on_select_thread (self, select_thread):
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self.assertTrue(select_thread.SafeToCallFunctions() == False, "It is not safe to call functions on the select thread")
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