def dispatch_command(s_command, b_wait=False):
"""Given a user command, dispatches and executes it in the right way.
If b_wait is True, wait for the debugger prompt after each command."""
fredutil.fred_timer_start(s_command)
# TODO: Currently we do not log fred commands. Do we need to?
if is_fred_command(s_command):
handle_fred_command(s_command)
else:
fredio.send_command(s_command)
g_debugger.log_command(s_command)
if b_wait:
fredio.wait_for_prompt()
fredutil.fred_timer_stop(s_command)
def fred_setup_as_module(l_cmd, s_dmtcp_port, b_debug):
"""Perform setup for FReD when being used as a module, return g_debugger.
For example, fredtest.py uses FReD as a module."""
global g_debugger
cleanup_fred_files()
setup_environment_variables(s_dmtcp_port, b_debug)
setup_debugger(l_cmd[0])
setup_fredio(l_cmd, True)
# Since modules won't use the main_io_loop, we perform the debugger setup
# requiring a debugger prompt here.
fredio.wait_for_prompt()
interactive_debugger_setup()
return g_debugger
def dispatch_command(s_command, b_wait=False):
"""Given a user command, dispatches and executes it in the right way.
If b_wait is True, wait for the debugger prompt after each command."""
fredutil.fred_timer_start(s_command)
# TODO: Currently we do not log fred commands. Do we need to?
if is_fred_command(s_command):
handle_fred_command(s_command)
else:
fredio.send_command(s_command)
g_debugger.log_command(s_command)
if b_wait:
fredio.wait_for_prompt()
fredutil.fred_timer_stop(s_command)
def fred_setup_as_module(l_cmd, s_dmtcp_port, b_debug, b_show_child_output):
"""Perform setup for FReD when being used as a module, return g_debugger.
For example, fredtest.py uses FReD as a module."""
global g_debugger, gb_show_child_output
cleanup_fred_files()
setup_environment_variables(s_dmtcp_port, b_debug)
setup_debugger(l_cmd[0])
gb_show_child_output = b_show_child_output
setup_fredio(l_cmd, True)
# Since modules won't use the main_io_loop, we perform the debugger setup
# requiring a debugger prompt here.
g_debugger.set_real_debugger_pid(fredio.get_child_pid())
fredio.wait_for_prompt()
interactive_debugger_setup()
return g_debugger
def dispatch_command(s_command, b_wait=False):
"""Given a user command, dispatches and executes it in the right way.
If b_wait is True, wait for the debugger prompt after each command."""
fredutil.fred_timer_start(s_command)
# TODO: Currently we do not log fred commands. Do we need to?
if is_fred_command(s_command):
handle_fred_command(s_command)
else:
# XXX: Figure out a more elegant way to do this. We can't set the
# inferior pid until we know the inferior is alive, so we keep trying
# to update it with every command issued until it succeeds.
if fredmanager.get_pid() == -1:
n_inf_pid = fredutil.get_inferior_pid(fredio.get_child_pid())
fredmanager.set_pid(n_inf_pid)
fredio.send_command(s_command)
g_debugger.log_command(s_command)
if b_wait:
fredio.wait_for_prompt()
fredutil.fred_timer_stop(s_command)
def main_io_loop(b_skip_prompt=False):
"""Main I/O loop to get and handle user commands."""
global g_source_script
if not b_skip_prompt:
# This is true typically on resume. gdb doesn't print the prompt when
# resuming from a checkpoint, so we don't wait for it here.
fredio.wait_for_prompt()
interactive_debugger_setup()
s_last_command = ""
while True:
try:
# Get one user command (blocking):
s_command = fredio.get_command()
# Special case: user entered '\n' => execute last command again.
if s_command == "":
s_command = s_last_command
dispatch_command(s_command)
s_last_command = s_command
except KeyboardInterrupt:
g_debugger.interrupt_inferior()
fredio.wait_for_prompt()
def main_io_loop(b_skip_prompt=False):
"""Main I/O loop to get and handle user commands."""
global g_source_script, g_debugger
if not b_skip_prompt:
# This is true typically on resume. gdb doesn't print the prompt when
# resuming from a checkpoint, so we don't wait for it here.
fredio.wait_for_prompt()
interactive_debugger_setup()
s_last_command = ""
while True:
try:
# Get one user command (blocking):
s_command = fredio.get_command()
# Special case: user entered '\n' => execute last command again.
if s_command == '':
s_command = s_last_command
dispatch_command(s_command)
s_last_command = s_command
except KeyboardInterrupt:
if g_debugger.personality_name() not in ("Pdb", "perl"):
g_debugger.interrupt_inferior()
fredio.wait_for_prompt()