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| author | dim <dim@FreeBSD.org> | 2016-01-06 20:12:03 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2016-01-06 20:12:03 +0000 |
| commit | 78b9749c0a4ea980a8b934645da6ae98fcc665e8 (patch) | |
| tree | dd2a1ddf0476664c2b823409c36cbccd52662ca7 /packages/Python/lldbsuite/test/functionalities/expr-doesnt-deadlock/TestExprDoesntBlock.py | |
| parent | 60cb593f9d55fa5ca7a5372b731f2330345b4b9a (diff) | |
| download | FreeBSD-src-78b9749c0a4ea980a8b934645da6ae98fcc665e8.zip FreeBSD-src-78b9749c0a4ea980a8b934645da6ae98fcc665e8.tar.gz | |
Vendor import of lldb trunk r256945:
https://llvm.org/svn/llvm-project/lldb/trunk@256945
Diffstat (limited to 'packages/Python/lldbsuite/test/functionalities/expr-doesnt-deadlock/TestExprDoesntBlock.py')
| -rw-r--r-- | packages/Python/lldbsuite/test/functionalities/expr-doesnt-deadlock/TestExprDoesntBlock.py | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/functionalities/expr-doesnt-deadlock/TestExprDoesntBlock.py b/packages/Python/lldbsuite/test/functionalities/expr-doesnt-deadlock/TestExprDoesntBlock.py new file mode 100644 index 0000000..a54b458 --- /dev/null +++ b/packages/Python/lldbsuite/test/functionalities/expr-doesnt-deadlock/TestExprDoesntBlock.py @@ -0,0 +1,57 @@ +""" +Test that expr will time out and allow other threads to run if it blocks. +""" + +from __future__ import print_function + + + +import os, time +import re +import lldb +import lldbsuite.test.lldbutil as lldbutil +from lldbsuite.test.lldbtest import * + +class ExprDoesntDeadlockTestCase(TestBase): + + def getCategories(self): + return ['basic_process'] + + mydir = TestBase.compute_mydir(__file__) + + @expectedFailureFreeBSD('llvm.org/pr17946') + @expectedFlakeyLinux # failed 1/365 test runs, line 61, thread.IsValid() + @expectedFailureWindows # Windows doesn't have pthreads, need to port this test. + def test_with_run_command(self): + """Test that expr will time out and allow other threads to run if it blocks.""" + self.build() + exe = os.path.join(os.getcwd(), "a.out") + + # Create a target by the debugger. + target = self.dbg.CreateTarget(exe) + self.assertTrue(target, VALID_TARGET) + + # Now create a breakpoint at source line before call_me_to_get_lock gets called. + + main_file_spec = lldb.SBFileSpec ("locking.c") + breakpoint = target.BreakpointCreateBySourceRegex('Break here', main_file_spec) + if self.TraceOn(): + print("breakpoint:", breakpoint) + self.assertTrue(breakpoint and + breakpoint.GetNumLocations() == 1, + VALID_BREAKPOINT) + + # Now launch the process, and do not stop at entry point. + process = target.LaunchSimple (None, None, self.get_process_working_directory()) + self.assertTrue(process, PROCESS_IS_VALID) + + # Frame #0 should be on self.line1 and the break condition should hold. + from lldbsuite.test.lldbutil import get_stopped_thread + thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint) + self.assertTrue(thread.IsValid(), "There should be a thread stopped due to breakpoint condition") + + frame0 = thread.GetFrameAtIndex(0) + + var = frame0.EvaluateExpression ("call_me_to_get_lock()") + self.assertTrue (var.IsValid()) + self.assertTrue (var.GetValueAsSigned (0) == 567) |
