1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/*
rc-misc.h
This is private to us and not for user consumption
*/
/*
* Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
* All rights reserved
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef __RC_MISC_H__
#define __RC_MISC_H__
#include <sys/stat.h>
#include <errno.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#define RC_LEVEL_BOOT "boot"
#define RC_LEVEL_DEFAULT "default"
#define RC_DEPTREE_CACHE RC_SVCDIR "/deptree"
#define RC_DEPTREE_SKEWED RC_SVCDIR "/clock-skewed"
#define RC_KRUNLEVEL RC_SVCDIR "/krunlevel"
#define RC_STARTING RC_SVCDIR "/rc.starting"
#define RC_STOPPING RC_SVCDIR "/rc.stopping"
#define RC_SVCDIR_STARTING RC_SVCDIR "/starting"
#define RC_SVCDIR_INACTIVE RC_SVCDIR "/inactive"
#define RC_SVCDIR_STARTED RC_SVCDIR "/started"
#define RC_SVCDIR_COLDPLUGGED RC_SVCDIR "/coldplugged"
#define ERRX fprintf (stderr, "out of memory\n"); exit (1)
#define UNCONST(a) ((void *)(unsigned long)(const void *)(a))
#ifdef lint
# define _unused
#endif
#if __GNUC__ > 2 || defined(__INTEL_COMPILER)
# define _dead __attribute__((__noreturn__))
# define _unused __attribute__((__unused__))
#else
# define _dead
# define _unused
#endif
/* Some libc implemntations don't have these */
#ifndef TAILQ_CONCAT
#define TAILQ_CONCAT(head1, head2, field) do { \
if (!TAILQ_EMPTY(head2)) { \
*(head1)->tqh_last = (head2)->tqh_first; \
(head2)->tqh_first->field.tqe_prev = (head1)->tqh_last; \
(head1)->tqh_last = (head2)->tqh_last; \
TAILQ_INIT((head2)); \
} \
} while (0)
#endif
#ifndef TAILQ_FOREACH_SAFE
#define TAILQ_FOREACH_SAFE(var, head, field, tvar) \
for ((var) = TAILQ_FIRST((head)); \
(var) && ((tvar) = TAILQ_NEXT((var), field), 1); \
(var) = (tvar))
#endif
#ifdef __GLIBC__
# if ! defined (__UCLIBC__) && ! defined (__dietlibc__)
# define strlcpy(dst, src, size) snprintf(dst, size, "%s", src)
# endif
#endif
#ifndef timespecsub
#define timespecsub(tsp, usp, vsp) \
do { \
(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \
(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \
if ((vsp)->tv_nsec < 0) { \
(vsp)->tv_sec--; \
(vsp)->tv_nsec += 1000000000L; \
} \
} while (/* CONSTCOND */ 0)
#endif
_unused static void *xmalloc (size_t size)
{
void *value = malloc(size);
if (value)
return (value);
ERRX;
/* NOTREACHED */
}
_unused static void *xrealloc(void *ptr, size_t size)
{
void *value = realloc(ptr, size);
if (value)
return (value);
ERRX;
/* NOTREACHED */
}
_unused static char *xstrdup(const char *str)
{
char *value;
if (! str)
return (NULL);
value = strdup(str);
if (value)
return (value);
ERRX;
/* NOTREACHED */
}
#undef ERRX
_unused static bool exists(const char *pathname)
{
struct stat buf;
return (stat(pathname, &buf) == 0);
}
_unused static bool existss(const char *pathname)
{
struct stat buf;
return (stat(pathname, &buf) == 0 && buf.st_size != 0);
}
char *rc_conf_value(const char *var);
bool rc_conf_yesno(const char *var);
void env_filter(void);
void env_config(void);
int signal_setup(int sig, void (*handler)(int));
int svc_lock(const char *);
int svc_unlock(const char *, int);
pid_t exec_service(const char *, const char *);
#define service_start(service) exec_service(service, "start");
#define service_stop(service) exec_service(service, "stop");
/* basename_c never modifies the argument. As such, if there is a trailing
* slash then an empty string is returned. */
_unused static const char *basename_c(const char *path)
{
const char *slash = strrchr(path, '/');
if (slash)
return (++slash);
return (path);
}
int parse_mode(mode_t *, char *);
#endif
|
