xref: /llvm-project/lldb/test/API/python_api/signals/TestSignalsAPI.py (revision 2238dcc39358353cac21df75c3c3286ab20b8f53)

"""
Test SBProcess APIs, including ReadMemory(), WriteMemory(), and others.
"""


import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
from lldbsuite.test.lldbutil import get_stopped_thread, state_type_to_str


class SignalsAPITestCase(TestBase):
    NO_DEBUG_INFO_TESTCASE = True

    @skipIfWindows  # Windows doesn't have signals
    def test_ignore_signal(self):
        """Test Python SBUnixSignals.Suppress/Stop/Notify() API."""
        self.build()
        exe = self.getBuildArtifact("a.out")
        self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)

        target = self.dbg.CreateTarget(exe)
        self.assertTrue(target, VALID_TARGET)

        line = line_number(
            "main.cpp", "// Set break point at this line and setup signal ignores."
        )
        breakpoint = target.BreakpointCreateByLocation("main.cpp", line)
        self.assertTrue(breakpoint, VALID_BREAKPOINT)

        # Launch the process, and do not stop at the entry point.
        process = target.LaunchSimple(None, None, self.get_process_working_directory())

        thread = get_stopped_thread(process, lldb.eStopReasonBreakpoint)
        self.assertTrue(
            thread.IsValid(), "There should be a thread stopped due to breakpoint"
        )

        unix_signals = process.GetUnixSignals()
        sigint = unix_signals.GetSignalNumberFromName("SIGINT")
        unix_signals.SetShouldSuppress(sigint, True)
        unix_signals.SetShouldStop(sigint, False)
        unix_signals.SetShouldNotify(sigint, False)

        process.Continue()
        self.assertEqual(
            process.state, lldb.eStateExited, "The process should have exited"
        )
        self.assertEqual(
            process.GetExitStatus(), 0, "The process should have returned 0"
        )