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A bit more cleanup on the process_events.py to use best practices for event handling.

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llvm-svn: 185089
This commit is contained in:
Greg Clayton 2013-06-27 18:08:32 +00:00
parent 7dcbe3d356
commit 96eb9ab047
1 changed files with 72 additions and 54 deletions
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126
lldb/examples/python/process_events.py
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@ -174,7 +174,6 @@ def main(argv):
pid = process.GetProcessID()
listener = debugger.GetListener()
# sign up for process state change events
#process.GetBroadcaster().AddListener(listener, lldb.SBProcess.eBroadcastBitStateChanged)
stop_idx = 0
done = False
while not done:
@ -182,62 +181,81 @@ def main(argv):
if listener.WaitForEvent (options.event_timeout, event):
if lldb.SBProcess.EventIsProcessEvent(event):
state = lldb.SBProcess.GetStateFromEvent (event)
print "event %s" % (lldb.SBDebugger.StateAsCString(state))
if state == lldb.eStateStopped:
if stop_idx == 0:
if launch_info:
print "process %u launched" % (pid)
run_commands(command_interpreter, ['breakpoint list'])
else:
print "attached to process %u" % (pid)
for m in target.modules:
print m
if options.breakpoints:
for bp in options.breakpoints:
debugger.HandleCommand( "_regexp-break %s" % (bp))
if state == lldb.eStateInvalid:
# Not a state event
print 'process event = %s' % (event)
else:
print "process state changed event: %s" % (lldb.SBDebugger.StateAsCString(state))
if state == lldb.eStateStopped:
if stop_idx == 0:
if launch_info:
print "process %u launched" % (pid)
run_commands(command_interpreter, ['breakpoint list'])
run_commands (command_interpreter, options.launch_commands)
else:
else:
print "attached to process %u" % (pid)
for m in target.modules:
print m
if options.breakpoints:
for bp in options.breakpoints:
debugger.HandleCommand( "_regexp-break %s" % (bp))
run_commands(command_interpreter, ['breakpoint list'])
run_commands (command_interpreter, options.launch_commands)
else:
if options.verbose:
print "process %u stopped" % (pid)
run_commands (command_interpreter, options.stop_commands)
stop_idx += 1
print_threads (process, options)
print "continuing process %u" % (pid)
process.Continue()
elif state == lldb.eStateExited:
exit_desc = process.GetExitDescription()
if exit_desc:
print "process %u exited with status %u: %s" % (pid, process.GetExitStatus (), exit_desc)
else:
print "process %u exited with status %u" % (pid, process.GetExitStatus ())
run_commands (command_interpreter, options.exit_commands)
done = True
elif state == lldb.eStateCrashed:
print "process %u crashed" % (pid)
print_threads (process, options)
run_commands (command_interpreter, options.crash_commands)
done = True
elif state == lldb.eStateDetached:
print "process %u detached" % (pid)
done = True
elif state == lldb.eStateRunning:
# process is running, don't say anything, we will always get one of these after resuming
if options.verbose:
print "process %u stopped" % (pid)
run_commands (command_interpreter, options.stop_commands)
stop_idx += 1
print_threads (process, options)
print "continuing process %u" % (pid)
process.Continue()
elif state == lldb.eStateExited:
exit_desc = process.GetExitDescription()
if exit_desc:
print "process %u exited with status %u: %s" % (pid, process.GetExitStatus (), exit_desc)
else:
print "process %u exited with status %u" % (pid, process.GetExitStatus ())
run_commands (command_interpreter, options.exit_commands)
done = True
elif state == lldb.eStateCrashed:
print "process %u crashed" % (pid)
print_threads (process, options)
run_commands (command_interpreter, options.crash_commands)
done = True
elif state == lldb.eStateDetached:
print "process %u detached" % (pid)
done = True
elif state == lldb.eStateRunning:
# process is running, don't say anything, we will always get one of these after resuming
if options.verbose:
print "process %u resumed" % (pid)
elif state == lldb.eStateUnloaded:
print "process %u unloaded, this shouldn't happen" % (pid)
done = True
elif state == lldb.eStateConnected:
print "process connected"
elif state == lldb.eStateAttaching:
print "process attaching"
elif state == lldb.eStateLaunching:
print "process launching"
print "process %u resumed" % (pid)
elif state == lldb.eStateUnloaded:
print "process %u unloaded, this shouldn't happen" % (pid)
done = True
elif state == lldb.eStateConnected:
print "process connected"
elif state == lldb.eStateAttaching:
print "process attaching"
elif state == lldb.eStateLaunching:
print "process launching"
else:
# timeout waiting for an event
print "no process event for %u seconds, killing the process..." % (options.event_timeout)
done = True
print 'event = %s' % (event)
else:
# timeout waiting for an event
print "no process event for %u seconds, killing the process..." % (options.event_timeout)
done = True
# Now that we are done dump the stdout and stderr
process_stdout = process.GetSTDOUT(1024)
if process_stdout:
print "Process STDOUT:\n%s" % (process_stdout)
while process_stdout:
process_stdout = process.GetSTDOUT(1024)
print process_stdout
process_stderr = process.GetSTDERR(1024)
if process_stderr:
print "Process STDERR:\n%s" % (process_stderr)
while process_stderr:
process_stderr = process.GetSTDERR(1024)
print process_stderr
process.Kill() # kill the process
else:
if error: