xref: /llvm-project/lldb/test/API/python_api/signals/TestSignalsAPI.py (revision 4cc8f2a017c76af25234afc7c380550e9c93135c)
1"""
2Test SBProcess APIs, including ReadMemory(), WriteMemory(), and others.
3"""
4
5
6
7import lldb
8from lldbsuite.test.decorators import *
9from lldbsuite.test.lldbtest import *
10from lldbsuite.test import lldbutil
11from lldbsuite.test.lldbutil import get_stopped_thread, state_type_to_str
12
13
14class SignalsAPITestCase(TestBase):
15    NO_DEBUG_INFO_TESTCASE = True
16
17    @skipIfWindows  # Windows doesn't have signals
18    def test_ignore_signal(self):
19        """Test Python SBUnixSignals.Suppress/Stop/Notify() API."""
20        self.build()
21        exe = self.getBuildArtifact("a.out")
22        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
23
24        target = self.dbg.CreateTarget(exe)
25        self.assertTrue(target, VALID_TARGET)
26
27        line = line_number(
28            "main.cpp",
29            "// Set break point at this line and setup signal ignores.")
30        breakpoint = target.BreakpointCreateByLocation("main.cpp", line)
31        self.assertTrue(breakpoint, VALID_BREAKPOINT)
32
33        # Launch the process, and do not stop at the entry point.
34        process = target.LaunchSimple(
35            None, None, self.get_process_working_directory())
36
37        thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint)
38        self.assertTrue(
39            thread.IsValid(),
40            "There should be a thread stopped due to breakpoint")
41
42        unix_signals = process.GetUnixSignals()
43        sigint = unix_signals.GetSignalNumberFromName("SIGINT")
44        unix_signals.SetShouldSuppress(sigint, True)
45        unix_signals.SetShouldStop(sigint, False)
46        unix_signals.SetShouldNotify(sigint, False)
47
48        process.Continue()
49        self.assertEqual(
50            process.state, lldb.eStateExited,
51            "The process should have exited")
52        self.assertEqual(
53            process.GetExitStatus(), 0,
54            "The process should have returned 0")
55