flom Code

#
# Copyright (c) 2013-2016, Christian Ferrari <tiian@users.sourceforge.net>
# All rights reserved.
#
# This file is part of FLoM.
#
# FLoM is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as published
# by the Free Software Foundation.
#
# FLoM is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with FLoM.  If not, see <http://www.gnu.org/licenses/>.
#

import sys
sys.path.append('../../../src/python')
from flom import *

# step 1: handle allocation
handle = flom_handle_t()
ret_cod = FLOM_RC_OK

# step 2: handle initialization
ret_cod = flom_handle_init(handle)
if FLOM_RC_OK != ret_cod:
	sys.stderr.write("flom_handle_init() returned " + str(ret_cod) +
	" '"  + flom_strerror(ret_cod) + "'\n")
	sys.exit(1)

# step 3: lock acquisition
ret_cod = flom_handle_lock(handle)
if FLOM_RC_OK != ret_cod:
	sys.stderr.write("flom_handle_lock() returned " + str(ret_cod) +
	" '" + flom_strerror(ret_cod) + "'\n")
	sys.exit(1)

# step 4: execute the code that needs lock protection

# step 5: lock release
ret_cod = flom_handle_unlock(handle)
if FLOM_RC_OK != ret_cod:
	sys.stderr.write("flom_handle_unlock() returned " + str(ret_cod) +
	" '" + flom_strerror(ret_cod) + "'\n")
	sys.exit(1)

# step 6: handle clean-up (memory release)
ret_cod = flom_handle_clean(handle)
if FLOM_RC_OK != ret_cod:
	sys.stderr.write("flom_handle_clean() returned " + str(ret_cod) +
	" '" + flom_strerror(ret_cod) + "'\n")
	sys.exit(1)

# step 7: handle deallocation
del handle