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rumpuser_port.h revision 1.23 
      1 /*	$NetBSD: rumpuser_port.h,v 1.23 2013/12/18 20:24:04 pooka 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 
     24 #define PLATFORM_HAS_DISKLABEL
     25 #define PLATFORM_HAS_NBMODULES
     26 #define PLATFORM_HAS_STRSUFTOLL
     27 #define PLATFORM_HAS_SETGETPROGNAME
     28 
     29 #if __NetBSD_Prereq__(5,99,48)
     30 #define PLATFORM_HAS_NBQUOTA
     31 #endif
     32 
     33 #if __NetBSD_Prereq__(6,99,16)
     34 #define HAVE_CLOCK_NANOSLEEP
     35 #endif
     36 
     37 /*
     38  * This includes also statvfs1() and fstatvfs1().  They could be
     39  * reasonably easily emulated on other platforms.
     40  */
     41 #define PLATFORM_HAS_NBVFSSTAT
     42 #endif /* __NetBSD__ */
     43 
     44 /* might not be 100% accurate, maybe need to revisit later */
     45 #if defined(__linux__) || defined(__sun__)
     46 #define HAVE_CLOCK_NANOSLEEP
     47 #endif
     48 
     49 #ifdef __linux__
     50 #define _XOPEN_SOURCE 600
     51 #define _BSD_SOURCE
     52 #define _FILE_OFFSET_BITS 64
     53 #define _GNU_SOURCE
     54 #include <features.h>
     55 #endif
     56 
     57 #if defined(__sun__)
     58 #  if defined(RUMPUSER_NO_FILE_OFFSET_BITS)
     59 #    undef _FILE_OFFSET_BITS
     60 #  else
     61 #    define _FILE_OFFSET_BITS 64
     62 #  endif
     63 #endif
     64 
     65 #if defined(__APPLE__)
     66 #define	__dead		__attribute__((noreturn))
     67 #include <sys/cdefs.h>
     68 
     69 #include <libkern/OSAtomic.h>
     70 #define	atomic_inc_uint(x)	OSAtomicIncrement32((volatile int32_t *)(x))
     71 #define	atomic_dec_uint(x)	OSAtomicDecrement32((volatile int32_t *)(x))
     72 
     73 #include <sys/time.h>
     74 
     75 #define	CLOCK_REALTIME	0
     76 typedef int clockid_t;
     77 
     78 static inline int
     79 clock_gettime(clockid_t clk, struct timespec *ts)
     80 {
     81 	struct timeval tv;
     82 
     83 	if (gettimeofday(&tv, 0) == 0) {
     84 		ts->tv_sec = tv.tv_sec;
     85 		ts->tv_nsec = tv.tv_usec * 1000;
     86 	}
     87 	return -1;
     88 }
     89 
     90 #endif
     91 
     92 #include <sys/types.h>
     93 #include <sys/param.h>
     94 
     95 /* maybe this should be !__NetBSD__ ? */
     96 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__)	\
     97     || defined(__DragonFly__) || defined(__APPLE__) || defined(__CYGWIN__)
     98 #include <errno.h>
     99 #include <stdlib.h>
    100 #include <string.h>
    101 #include <inttypes.h>
    102 
    103 /* this is inline simply to make this header self-contained */
    104 static inline int
    105 getenv_r(const char *name, char *buf, size_t buflen)
    106 {
    107 	char *tmp;
    108 
    109 	if ((tmp = getenv(name)) != NULL) {
    110 		if (strlen(tmp) >= buflen) {
    111 			errno = ERANGE;
    112 			return -1;
    113 		}
    114 		strcpy(buf, tmp);
    115 		return 0;
    116 	} else {
    117 		errno = ENOENT;
    118 		return -1;
    119 	}
    120 }
    121 #endif
    122 
    123 #if defined(__sun__)
    124 #include <sys/sysmacros.h>
    125 
    126 #if !defined(HAVE_POSIX_MEMALIGN)
    127 /* Solarisa 10 has memalign() but no posix_memalign() */
    128 #include <stdlib.h>
    129 
    130 static inline int
    131 posix_memalign(void **ptr, size_t align, size_t size)
    132 {
    133 
    134 	*ptr = memalign(align, size);
    135 	if (*ptr == NULL)
    136 		return ENOMEM;
    137 	return 0;
    138 }
    139 #endif /* !HAVE_POSIX_MEMALIGN */
    140 #endif /* __sun__ */
    141 
    142 #ifndef __RCSID
    143 #define __RCSID(a)
    144 #endif
    145 
    146 #ifndef INFTIM
    147 #define INFTIM (-1)
    148 #endif
    149 
    150 #ifndef _DIAGASSERT
    151 #define _DIAGASSERT(_p_)
    152 #endif
    153 
    154 #if defined(__linux__) || defined(__sun__) || defined(__CYGWIN__)
    155 #define SIN_SETLEN(a,b)
    156 #else /* BSD */
    157 #define SIN_SETLEN(_sin_, _len_) _sin_.sin_len = _len_
    158 #endif
    159 
    160 #ifndef __predict_true
    161 #define __predict_true(a) a
    162 #define __predict_false(a) a
    163 #endif
    164 
    165 #ifndef __dead
    166 #define __dead __attribute__((__noreturn__))
    167 #endif
    168 
    169 #ifndef __printflike
    170 #define __printflike(a,b)
    171 #endif
    172 
    173 #ifndef __noinline
    174 #ifdef __GNUC__
    175 #define __noinline __attribute__((__noinline__))
    176 #else
    177 #define __noinline
    178 #endif
    179 #endif
    180 
    181 #ifndef __arraycount
    182 #define __arraycount(_ar_) (sizeof(_ar_)/sizeof(_ar_[0]))
    183 #endif
    184 
    185 #ifndef __UNCONST
    186 #define __UNCONST(_a_) ((void *)(unsigned long)(const void *)(_a_))
    187 #endif
    188 
    189 #ifndef __CONCAT
    190 #define __CONCAT(x,y)	x ## y
    191 #endif
    192 
    193 #ifndef __STRING
    194 #define __STRING(x)	#x
    195 #endif
    196 
    197 #if defined(__linux__) || defined(__sun__) || defined (__CYGWIN__)
    198 #define RUMPUSER_RANDOM() random()
    199 #define RUMPUSER_USE_DEVRANDOM
    200 #else
    201 #define RUMPUSER_RANDOM() arc4random()
    202 #endif
    203 
    204 #ifndef __NetBSD_Prereq__
    205 #define __NetBSD_Prereq__(a,b,c) 0
    206 #endif
    207 
    208 #include <sys/socket.h>
    209 
    210 #if !defined(__CMSG_ALIGN)
    211 #ifdef CMSG_ALIGN
    212 #define __CMSG_ALIGN(a) CMSG_ALIGN(a)
    213 #endif
    214 #endif
    215 
    216 #ifndef PF_LOCAL
    217 #define PF_LOCAL PF_UNIX
    218 #endif
    219 #ifndef AF_LOCAL
    220 #define AF_LOCAL AF_UNIX
    221 #endif
    222 
    223 /* pfft, but what are you going to do? */
    224 #ifndef MSG_NOSIGNAL
    225 #define MSG_NOSIGNAL 0
    226 #endif
    227 
    228 #if defined(__sun__) && !defined(RUMP_REGISTER_T)
    229 #define RUMP_REGISTER_T long
    230 typedef RUMP_REGISTER_T register_t;
    231 #endif
    232 
    233 #include <sys/time.h>
    234 
    235 #ifndef TIMEVAL_TO_TIMESPEC
    236 #define TIMEVAL_TO_TIMESPEC(tv, ts)		\
    237 do {						\
    238 	(ts)->tv_sec  = (tv)->tv_sec;		\
    239 	(ts)->tv_nsec = (tv)->tv_usec * 1000;	\
    240 } while (/*CONSTCOND*/0)
    241 #endif
    242 
    243 #endif /* _LIB_LIBRUMPUSER_RUMPUSER_PORT_H_ */
    244