2 * Copyright (c) 2008 Nicira Networks.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
22 #include <sys/types.h>
25 OPT_NO_CHDIR = UCHAR_MAX + 2048
28 #define DAEMON_LONG_OPTIONS \
29 {"detach", no_argument, 0, 'D'}, \
30 {"no-chdir", no_argument, 0, OPT_NO_CHDIR}, \
31 {"force", no_argument, 0, 'f'}, \
32 {"pidfile", optional_argument, 0, 'P'}
34 #define DAEMON_OPTION_HANDLERS \
44 set_pidfile(optarg); \
48 ignore_existing_pidfile(); \
51 char *make_pidfile_name(const char *name);
52 void set_pidfile(const char *name);
53 const char *get_pidfile(void);
54 void set_no_chdir(void);
55 void set_detach(void);
57 void die_if_already_running(void);
58 void ignore_existing_pidfile(void);
59 void daemon_usage(void);
60 pid_t read_pidfile(const char *name);