File: TestSignalsAPI.py

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

import os, time
import unittest2
import lldb
from lldbutil import get_stopped_thread, state_type_to_str
from lldbtest import *

class SignalsAPITestCase(TestBase):
    mydir = os.path.join("python_api", "signals")

    @python_api_test
    def test_ignore_signal(self):
        """Test Python SBUnixSignals.Suppress/Stop/Notify() API."""
        self.buildDefault()
        exe = os.path.join(os.getcwd(), "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.assertTrue(process.state == lldb.eStateExited, "The process should have exited")
        self.assertTrue(process.GetExitStatus() == 0, "The process should have returned 0")


if __name__ == '__main__':
    import atexit
    lldb.SBDebugger.Initialize()
    atexit.register(lambda: lldb.SBDebugger.Terminate())
    unittest2.main()