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"""
Test process attach/resume.
"""
import os, time
import unittest2
import lldb
from lldbtest import *
import lldbutil
exe_name = "AttachResume" # Must match Makefile
class AttachResumeTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
@dwarf_test
def test_attach_continue_interrupt_detach(self):
"""Test attach/continue/interrupt/detach"""
self.buildDwarf()
self.process_attach_continue_interrupt_detach()
def process_attach_continue_interrupt_detach(self):
"""Test attach/continue/interrupt/detach"""
exe = os.path.join(os.getcwd(), exe_name)
popen = self.spawnSubprocess(exe)
self.addTearDownHook(self.cleanupSubprocesses)
self.runCmd("process attach -p " + str(popen.pid))
self._state = 0
def process_events():
event = lldb.SBEvent()
while self.dbg.GetListener().GetNextEvent(event):
self._state = lldb.SBProcess.GetStateFromEvent(event)
# using process.GetState() does not work: llvm.org/pr16172
def wait_for_state(s, timeout=5):
t = 0
period = 0.1
while self._state != s:
process_events()
time.sleep(period)
t += period
if t > timeout:
return False
return True
self.setAsync(True)
self.runCmd("c")
self.assertTrue(wait_for_state(lldb.eStateRunning),
'Process not running after continue')
self.runCmd("process interrupt")
self.assertTrue(wait_for_state(lldb.eStateStopped),
'Process not stopped after interrupt')
# be sure to continue/interrupt/continue (r204504)
self.runCmd("c")
self.assertTrue(wait_for_state(lldb.eStateRunning),
'Process not running after continue')
self.runCmd("process interrupt")
self.assertTrue(wait_for_state(lldb.eStateStopped),
'Process not stopped after interrupt')
# check that this breakpoint is auto-cleared on detach (r204752)
self.runCmd("br set -f main.c -l 12")
self.runCmd("c")
self.assertTrue(wait_for_state(lldb.eStateRunning),
'Process not running after continue')
self.assertTrue(wait_for_state(lldb.eStateStopped),
'Process not stopped after breakpoint')
self.expect('br list', 'Breakpoint not hit',
patterns = ['hit count = 1'])
self.runCmd("c")
self.assertTrue(wait_for_state(lldb.eStateRunning),
'Process not running after continue')
# make sure to detach while in running state (r204759)
self.runCmd("detach")
self.assertTrue(wait_for_state(lldb.eStateDetached),
'Process not detached after detach')
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()
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