rumpuser_port.h revision 1.3.4.5 1 /* $NetBSD: rumpuser_port.h,v 1.3.4.5 2014/05/22 11:37:00 yamt Exp $ */
2
3 /*
4 * Portability header for non-NetBSD platforms.
5 * Quick & dirty.
6 * Maybe should try to use the infrastructure in tools/compat instead?
7 */
8
9 #ifndef _LIB_LIBRUMPUSER_RUMPUSER_PORT_H_
10 #define _LIB_LIBRUMPUSER_RUMPUSER_PORT_H_
11
12 #ifdef __NetBSD__
13 #include <sys/cdefs.h>
14 #include <sys/param.h>
15
16 #define PLATFORM_HAS_KQUEUE
17 #define PLATFORM_HAS_CHFLAGS
18 #define PLATFORM_HAS_NBMOUNT
19 #define PLATFORM_HAS_NFSSVC
20 #define PLATFORM_HAS_FSYNC_RANGE
21 #define PLATFORM_HAS_NBSYSCTL
22 #define PLATFORM_HAS_NBFILEHANDLE
23 #ifndef HAVE_PTHREAD_SETNAME_3
24 #define HAVE_PTHREAD_SETNAME_3
25 #endif
26
27 #define PLATFORM_HAS_STRSUFTOLL
28 #define PLATFORM_HAS_SETGETPROGNAME
29
30 #if __NetBSD_Prereq__(5,99,48)
31 #define PLATFORM_HAS_NBQUOTA
32 #endif
33
34 #if __NetBSD_Prereq__(6,99,16)
35 #define HAVE_CLOCK_NANOSLEEP
36 #endif
37
38 /*
39 * This includes also statvfs1() and fstatvfs1(). They could be
40 * reasonably easily emulated on other platforms.
41 */
42 #define PLATFORM_HAS_NBVFSSTAT
43 #endif /* __NetBSD__ */
44
45 #ifndef MIN
46 #define MIN(a,b) ((/*CONSTCOND*/(a)<(b))?(a):(b))
47 #endif
48 #ifndef MAX
49 #define MAX(a,b) ((/*CONSTCOND*/(a)>(b))?(a):(b))
50 #endif
51
52 /* might not be 100% accurate, maybe need to revisit later */
53 #if (defined(__linux__) && !defined(__ANDROID__)) || defined(__sun__)
54 #define HAVE_CLOCK_NANOSLEEP
55 #endif
56
57 #ifdef __linux__
58 #define _XOPEN_SOURCE 600
59 #define _BSD_SOURCE
60 #define _GNU_SOURCE
61 #include <features.h>
62 #endif
63
64 #ifdef __ANDROID__
65 #include <stdint.h>
66 typedef uint16_t in_port_t;
67 #include <sys/select.h>
68 #define atomic_inc_uint(x) __sync_fetch_and_add(x, 1)
69 #define atomic_dec_uint(x) __sync_fetch_and_sub(x, 1)
70 static inline int getsubopt(char **optionp, char * const *tokens, char **valuep);
71 static inline int
72 getsubopt(char **optionp, char * const *tokens, char **valuep)
73 {
74
75 /* TODO make a definition */
76 return -1;
77 }
78 #endif
79
80 #if defined(__sun__)
81 # if defined(RUMPUSER_NO_FILE_OFFSET_BITS)
82 # undef _FILE_OFFSET_BITS
83 # endif
84 #endif
85
86 #if defined(__APPLE__)
87 #define __dead __attribute__((noreturn))
88 #include <sys/cdefs.h>
89
90 #include <libkern/OSAtomic.h>
91 #define atomic_inc_uint(x) OSAtomicIncrement32((volatile int32_t *)(x))
92 #define atomic_dec_uint(x) OSAtomicDecrement32((volatile int32_t *)(x))
93
94 #include <sys/time.h>
95
96 #define CLOCK_REALTIME 0
97 typedef int clockid_t;
98
99 static inline int
100 clock_gettime(clockid_t clk, struct timespec *ts)
101 {
102 struct timeval tv;
103
104 if (gettimeofday(&tv, 0) == 0) {
105 ts->tv_sec = tv.tv_sec;
106 ts->tv_nsec = tv.tv_usec * 1000;
107 }
108 return -1;
109 }
110
111 #endif
112
113 #include <sys/types.h>
114 #include <sys/param.h>
115
116 /* NetBSD is the only(?) platform with getenv_r() */
117 #if !defined(__NetBSD__)
118 #include <errno.h>
119 #include <stdlib.h>
120 #include <string.h>
121 #include <inttypes.h>
122
123 /* this is inline simply to make this header self-contained */
124 static inline int
125 getenv_r(const char *name, char *buf, size_t buflen)
126 {
127 char *tmp;
128
129 if ((tmp = getenv(name)) != NULL) {
130 if (strlen(tmp) >= buflen) {
131 errno = ERANGE;
132 return -1;
133 }
134 strcpy(buf, tmp);
135 return 0;
136 } else {
137 errno = ENOENT;
138 return -1;
139 }
140 }
141 #endif
142
143 #if defined(__sun__)
144 #include <sys/sysmacros.h>
145
146 #if !defined(HAVE_POSIX_MEMALIGN)
147 /* Solarisa 10 has memalign() but no posix_memalign() */
148 #include <stdlib.h>
149
150 static inline int
151 posix_memalign(void **ptr, size_t align, size_t size)
152 {
153
154 *ptr = memalign(align, size);
155 if (*ptr == NULL)
156 return ENOMEM;
157 return 0;
158 }
159 #endif /* !HAVE_POSIX_MEMALIGN */
160 #endif /* __sun__ */
161
162 #ifndef __RCSID
163 #define __RCSID(a)
164 #endif
165
166 #ifndef INFTIM
167 #define INFTIM (-1)
168 #endif
169
170 #ifndef _DIAGASSERT
171 #define _DIAGASSERT(_p_)
172 #endif
173
174 #if defined(__linux__) || defined(__sun__) || defined(__CYGWIN__)
175 #define SIN_SETLEN(a,b)
176 #else /* BSD */
177 #define SIN_SETLEN(_sin_, _len_) _sin_.sin_len = _len_
178 #endif
179
180 #ifndef __predict_true
181 #define __predict_true(a) a
182 #define __predict_false(a) a
183 #endif
184
185 #ifndef __dead
186 #define __dead __attribute__((__noreturn__))
187 #endif
188
189 #ifndef __printflike
190 #ifdef __GNUC__
191 #define __printflike(a,b) __attribute__((__format__ (__printf__,a,b)))
192 #else
193 #define __printflike(a,b)
194 #endif
195 #endif
196
197 #ifndef __noinline
198 #ifdef __GNUC__
199 #define __noinline __attribute__((__noinline__))
200 #else
201 #define __noinline
202 #endif
203 #endif
204
205 #ifndef __arraycount
206 #define __arraycount(_ar_) (sizeof(_ar_)/sizeof(_ar_[0]))
207 #endif
208
209 #ifndef __UNCONST
210 #define __UNCONST(_a_) ((void *)(unsigned long)(const void *)(_a_))
211 #endif
212
213 #ifndef __CONCAT
214 #define __CONCAT(x,y) x ## y
215 #endif
216
217 #ifndef __STRING
218 #define __STRING(x) #x
219 #endif
220
221 #if defined(__linux__) || defined(__sun__) || defined (__CYGWIN__)
222 #define RUMPUSER_RANDOM() random()
223 #define RUMPUSER_USE_DEVRANDOM
224 #else
225 #define RUMPUSER_RANDOM() arc4random()
226 #endif
227
228 #ifndef __NetBSD_Prereq__
229 #define __NetBSD_Prereq__(a,b,c) 0
230 #endif
231
232 #include <sys/socket.h>
233
234 #if !defined(__CMSG_ALIGN)
235 #ifdef CMSG_ALIGN
236 #define __CMSG_ALIGN(a) CMSG_ALIGN(a)
237 #endif
238 #endif
239
240 #ifndef PF_LOCAL
241 #define PF_LOCAL PF_UNIX
242 #endif
243 #ifndef AF_LOCAL
244 #define AF_LOCAL AF_UNIX
245 #endif
246
247 /* pfft, but what are you going to do? */
248 #ifndef MSG_NOSIGNAL
249 #define MSG_NOSIGNAL 0
250 #endif
251
252 #if (defined(__sun__) || defined(__ANDROID__)) && !defined(RUMP_REGISTER_T)
253 #define RUMP_REGISTER_T long
254 typedef RUMP_REGISTER_T register_t;
255 #endif
256
257 #include <sys/time.h>
258
259 #ifndef TIMEVAL_TO_TIMESPEC
260 #define TIMEVAL_TO_TIMESPEC(tv, ts) \
261 do { \
262 (ts)->tv_sec = (tv)->tv_sec; \
263 (ts)->tv_nsec = (tv)->tv_usec * 1000; \
264 } while (/*CONSTCOND*/0)
265 #endif
266
267 #ifndef PLATFORM_HAS_SETGETPROGNAME
268 #define setprogname(a)
269 #endif
270
271 #endif /* _LIB_LIBRUMPUSER_RUMPUSER_PORT_H_ */
272