1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
|
"""Test that lldb command 'process signal SIGUSR1' to send a signal to the inferior works."""
import os, time, signal
import unittest2
import lldb
from lldbtest import *
import lldbutil
class SendSignalTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@skipUnlessDarwin
@dsym_test
def test_with_dsym_and_run_command(self):
"""Test that lldb command 'process signal SIGUSR1' sends a signal to the inferior process."""
self.buildDsym()
self.send_signal()
@dwarf_test
def test_with_dwarf_and_run_command(self):
"""Test that lldb command 'process signal SIGUSR1' sends a signal to the inferior process."""
self.buildDwarf()
self.send_signal()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break inside main().
self.line = line_number('main.c', 'Put breakpoint here')
def send_signal(self):
"""Test that lldb command 'process signal SIGUSR1' sends a signal to the inferior process."""
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 on main.c by name 'c'.
breakpoint = target.BreakpointCreateByLocation ('main.c', self.line)
self.assertTrue(breakpoint and
breakpoint.GetNumLocations() == 1,
VALID_BREAKPOINT)
# Get the breakpoint location from breakpoint after we verified that,
# indeed, it has one location.
location = breakpoint.GetLocationAtIndex(0)
self.assertTrue(location and
location.IsEnabled(),
VALID_BREAKPOINT_LOCATION)
# Now launch the process, no arguments & do not stop at entry point.
launch_info = lldb.SBLaunchInfo([exe])
launch_info.SetWorkingDirectory(self.get_process_working_directory())
process_listener = lldb.SBListener("signal_test_listener")
launch_info.SetListener(process_listener)
error = lldb.SBError()
process = target.Launch (launch_info, error)
self.assertTrue(process, PROCESS_IS_VALID)
self.runCmd("process handle -n False -p True -s True SIGUSR1")
thread = lldbutil.get_stopped_thread(process, lldb.eStopReasonBreakpoint)
self.assertTrue(thread.IsValid(), "We hit the first breakpoint.")
# After resuming the process, send it a SIGUSR1 signal.
self.setAsync(True)
broadcaster = process.GetBroadcaster()
self.assertTrue(process_listener.IsValid(), "Got a good process listener")
# Disable our breakpoint, we don't want to hit it anymore...
breakpoint.SetEnabled(False)
# Now continue:
process.Continue()
event = lldb.SBEvent()
got_event = process_listener.WaitForEventForBroadcasterWithType(5, broadcaster, lldb.SBProcess.eBroadcastBitStateChanged, event)
event_type = lldb.SBProcess.GetStateFromEvent(event)
self.assertTrue (got_event, "Got an event")
self.assertTrue (event_type == lldb.eStateRunning, "It was the running event.")
# Now signal the process, and make sure it stops:
process.Signal(signal.SIGUSR1)
got_event = process_listener.WaitForEventForBroadcasterWithType(5, broadcaster, lldb.SBProcess.eBroadcastBitStateChanged, event)
event_type = lldb.SBProcess.GetStateFromEvent(event)
self.assertTrue (got_event, "Got an event")
self.assertTrue (event_type == lldb.eStateStopped, "It was the stopped event.")
# Now make sure the thread was stopped with a SIGUSR1:
threads = lldbutil.get_stopped_threads (process, lldb.eStopReasonSignal)
self.assertTrue (len(threads) == 1, "One thread stopped for a signal.")
thread = threads[0]
self.assertTrue (thread.GetStopReasonDataCount() >= 1, "There was data in the event.")
self.assertTrue (thread.GetStopReasonDataAtIndex(0) == signal.SIGUSR1, "The stop signal was SIGUSR1")
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
|
