def fred_setup():
"""Perform any setup needed by FReD before entering an I/O loop."""
global g_debugger, gs_resume_dir_path, GS_FRED_TMPDIR, gb_show_child_output
# Parse command line args and set up environment.
l_cmd = parse_program_args()
# Set up the FReD global debugger
setup_debugger(l_cmd[0])
# Set up I/O handling
# (only spawn if we are not resuming:)
b_resume = gs_resume_dir_path != None
if not b_resume:
cleanup_fred_files()
setup_fredio(l_cmd, True)
g_debugger.create_master_branch()
else:
setup_fredio(l_cmd, False)
dmtcpmanager.resume(GS_FRED_TMPDIR, gs_resume_dir_path)
g_debugger.setup_from_resume()
# XXX: Right now this is a hack to get the virtualized pid of the
# inferior. We should make this more robust. Ideally we could have
# support from DMTCP (via dmtcp_command) to tell us the inferior
# virtualized pid.
fredutil.fred_assert(g_debugger.personality_name() == "gdb")
n_inf_pid = int(g_debugger.evaluate_expression("getpid()"))
fredmanager.set_virtual_inferior_pid(n_inf_pid)
g_debugger.set_real_debugger_pid(fredio.get_child_pid())
def fred_setup():
"""Perform any setup needed by FReD before entering an I/O loop."""
global g_debugger, gs_resume_dir_path, GS_FRED_TMPDIR
# Parse command line args and set up environment.
l_cmd = parse_program_args()
# Set up the FReD global debugger
setup_debugger(l_cmd[0])
# Set up I/O handling
# (only spawn if we are not resuming:)
b_resume = gs_resume_dir_path != None
if not b_resume:
cleanup_fred_files()
setup_fredio(l_cmd, True)
g_debugger.create_master_branch()
else:
setup_fredio(l_cmd, False)
dmtcpmanager.resume(GS_FRED_TMPDIR, gs_resume_dir_path)
g_debugger.setup_from_resume()
# XXX: Right now this is a hack to get the virtualized pid of the
# inferior. We should make this more robust. Ideally we could have
# support from DMTCP (via dmtcp_command) to tell us the inferior
# virtualized pid.
fredutil.fred_assert(g_debugger.personality_name() == "gdb")
n_inf_pid = int(g_debugger.evaluate_expression("getpid()"))
fredmanager.set_pid(n_inf_pid)
g_debugger.set_debugger_pid(fredio.get_child_pid())
def cleanup_fred_files():
"""Remove FReD temporary directory and recreate a clean tree."""
global GS_FRED_TMPDIR
# Create a new DMTCP tmpdir if it doesn't exist:
if not os.path.exists(GS_FRED_TMPDIR):
os.makedirs(GS_DMTCP_TMPDIR, 0755)
return
fredutil.fred_info("Removing previous temporary directory '%s'" % GS_FRED_TMPDIR)
fredutil.fred_assert(GS_FRED_TMPDIR.find("/tmp") != -1)
shutil.rmtree(GS_FRED_TMPDIR, ignore_errors=True)
os.makedirs(GS_DMTCP_TMPDIR, 0755)
def cleanup_fred_files():
"""Remove FReD temporary directory and recreate a clean tree."""
global GS_FRED_TMPDIR
# Create a new DMTCP tmpdir if it doesn't exist:
if not os.path.exists(GS_FRED_TMPDIR):
os.makedirs(GS_DMTCP_TMPDIR, 0755)
return
fredutil.fred_info("Removing previous temporary directory '%s'" % \
GS_FRED_TMPDIR)
fredutil.fred_assert(GS_FRED_TMPDIR.find("/tmp") != -1)
shutil.rmtree(GS_FRED_TMPDIR, ignore_errors=True)
os.makedirs(GS_DMTCP_TMPDIR, 0755)
