packages/Python/lldbsuite/test/python_api/signals/TestSignalsAPI.py

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