def compile(self, sub):
sub.status = jcnf.SUB_STATUS['compiling']
if os.path.exists(self.run_path):
shutil.rmtree(self.run_path)
try:
os.mkdir(self.run_path, 0755)
except (OSError): # TODO write log
sys.stderr.write('could not remake run path')
raise Exception('could not remake run path')
if sub.code_path:
self.code_path = sub.code_path
else:
self.code_path = jcnf.getSubPath(sub.sid)
try:
shutil.copyfile(self.code_path, self.run_path+jcnf.getSrcName(sub.lang))
except (shutil.Error, IOError): # TODO write log
sys.stderr.write('source file does not exist')
raise Exception('source file does not exist')
cmpl_pid = os.fork()
if cmpl_pid == 0: # child process
cmpl_cmd = jcnf.CMPL_CMD[sub.lang]
cmpl_param = jcnf.CMPL_PARAM[sub.lang]
try:
cmpl_err = open(self.run_path+'ce', 'w')
except:
sys.stderr.write('cannot log compilation info')
raise Exception('cannot log compilation info')
os.dup2(cmpl_err.fileno(), 2)
resource.setrlimit(resource.RLIMIT_CPU, jcnf.CMPL_RLIM['RLIMIT_CPU'])
os.execvp(cmpl_cmd, cmpl_param)
cmpl_err.flush()
cmpl_err.close()
os._exit(os.EX_OK)
else:
cmpl_ret = 0
while True:
cmpl_status = os.waitpid(cmpl_pid, 0)
if os.WIFEXITED(cmpl_status[1]):
cmpl_ret = 0
break
elif os.WIFSIGNALED(cmpl_status[1]) or os.WIFSTOPPED(cmpl_status[1]):
cmpl_ret = 1
break
os.stderr.write('unknown stat')
if os.WEXITSTATUS(cmpl_status[1]) != 0:
cmpl_ret = 1
if cmpl_ret != 0:
cmpl_err = open(self.run_path+'ce', 'r')
sub.ce = self._ceFilter(cmpl_err.read())
sub.status = jcnf.SUB_STATUS['compilation error']
cmpl_err.close()
try:
os.kill(cmpl_pid, signal.SIGKILL)
except:
pass
if sub.status == jcnf.SUB_STATUS['compiling']:
sub.status = jcnf.SUB_STATUS['judging']
return sub.status
