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rumpuser_port.h revision 1.17 
      1 /*	$NetBSD: rumpuser_port.h,v 1.17 2013/04/27 16:56:29 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 /*
     10  * XXX:
     11  * There is currently no errno translation for the error values reported
     12  * by the hypercall layer.
     13  */
     14 
     15 #ifndef _LIB_LIBRUMPUSER_RUMPUSER_PORT_H_
     16 #define _LIB_LIBRUMPUSER_RUMPUSER_PORT_H_
     17 
     18 #ifdef __NetBSD__
     19 #include <sys/cdefs.h>
     20 #include <sys/param.h>
     21 
     22 #define PLATFORM_HAS_KQUEUE
     23 #define PLATFORM_HAS_CHFLAGS
     24 #define PLATFORM_HAS_NBMOUNT
     25 #define PLATFORM_HAS_NFSSVC
     26 #define PLATFORM_HAS_FSYNC_RANGE
     27 #define PLATFORM_HAS_NBSYSCTL
     28 #define PLATFORM_HAS_NBFILEHANDLE
     29 
     30 #if __NetBSD_Prereq__(5,99,48)
     31 #define PLATFORM_HAS_NBQUOTA
     32 #endif
     33 
     34 /*
     35  * This includes also statvfs1() and fstatvfs1().  They could be
     36  * reasonably easily emulated on other platforms.
     37  */
     38 #define PLATFORM_HAS_NBVFSSTAT
     39 #endif
     40 
     41 #ifdef __linux__
     42 #define _XOPEN_SOURCE 600
     43 #define _BSD_SOURCE
     44 #define _FILE_OFFSET_BITS 64
     45 #define _GNU_SOURCE
     46 #include <features.h>
     47 #endif
     48 
     49 #if defined(__sun__)
     50 #  if defined(RUMPUSER_NO_FILE_OFFSET_BITS)
     51 #    undef _FILE_OFFSET_BITS
     52 #  else
     53 #    define _FILE_OFFSET_BITS 64
     54 #  endif
     55 #endif
     56 
     57 #include <sys/types.h>
     58 #include <sys/param.h>
     59 
     60 /* maybe this should be !__NetBSD__ ? */
     61 #if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__)	\
     62     || defined(__DragonFly__) || defined(__CYGWIN__)
     63 #include <errno.h>
     64 #include <stdlib.h>
     65 #include <string.h>
     66 
     67 /* this is inline simply to make this header self-contained */
     68 static inline int
     69 getenv_r(const char *name, char *buf, size_t buflen)
     70 {
     71 	char *tmp;
     72 
     73 	if ((tmp = getenv(name)) != NULL) {
     74 		if (strlen(tmp) >= buflen) {
     75 			errno = ERANGE;
     76 			return -1;
     77 		}
     78 		strcpy(buf, tmp);
     79 		return 0;
     80 	} else {
     81 		errno = ENOENT;
     82 		return -1;
     83 	}
     84 }
     85 #endif
     86 
     87 #if defined(__sun__)
     88 #include <sys/sysmacros.h>
     89 
     90 #if !defined(HAVE_POSIX_MEMALIGN)
     91 /* Solarisa 10 has memalign() but no posix_memalign() */
     92 #include <stdlib.h>
     93 
     94 static inline int
     95 posix_memalign(void **ptr, size_t align, size_t size)
     96 {
     97 
     98 	*ptr = memalign(align, size);
     99 	if (*ptr == NULL)
    100 		return ENOMEM;
    101 	return 0;
    102 }
    103 #endif /* !HAVE_POSIX_MEMALIGN */
    104 #endif /* __sun__ */
    105 
    106 #ifndef __RCSID
    107 #define __RCSID(a)
    108 #endif
    109 
    110 #ifndef INFTIM
    111 #define INFTIM (-1)
    112 #endif
    113 
    114 #ifndef _DIAGASSERT
    115 #define _DIAGASSERT(_p_)
    116 #endif
    117 
    118 #if defined(__linux__) || defined(__sun__) || defined(__CYGWIN__)
    119 #define SIN_SETLEN(a,b)
    120 #else /* BSD */
    121 #define SIN_SETLEN(_sin_, _len_) _sin_.sin_len = _len_
    122 #endif
    123 
    124 #ifndef __predict_true
    125 #define __predict_true(a) a
    126 #define __predict_false(a) a
    127 #endif
    128 
    129 #ifndef __dead
    130 #define __dead __attribute__((__noreturn__))
    131 #endif
    132 
    133 #ifndef __printflike
    134 #define __printflike(a,b)
    135 #endif
    136 
    137 #ifndef __noinline
    138 #ifdef __GNUC__
    139 #define __noinline __attribute__((__noinline__))
    140 #else
    141 #define __noinline
    142 #endif
    143 #endif
    144 
    145 #ifndef __arraycount
    146 #define __arraycount(_ar_) (sizeof(_ar_)/sizeof(_ar_[0]))
    147 #endif
    148 
    149 #ifndef __UNCONST
    150 #define __UNCONST(_a_) ((void *)(unsigned long)(const void *)(_a_))
    151 #endif
    152 
    153 #if defined(__linux__) || defined(__sun__) || defined (__CYGWIN__)
    154 #define RUMPUSER_RANDOM() random()
    155 #define RUMPUSER_USE_DEVRANDOM
    156 #else
    157 #define RUMPUSER_RANDOM() arc4random()
    158 #endif
    159 
    160 #ifndef __NetBSD_Prereq__
    161 #define __NetBSD_Prereq__(a,b,c) 0
    162 #endif
    163 
    164 #include <sys/socket.h>
    165 
    166 #if !defined(__CMSG_ALIGN)
    167 #ifdef CMSG_ALIGN
    168 #define __CMSG_ALIGN(a) CMSG_ALIGN(a)
    169 #endif
    170 #endif
    171 
    172 #ifndef PF_LOCAL
    173 #define PF_LOCAL PF_UNIX
    174 #endif
    175 #ifndef AF_LOCAL
    176 #define AF_LOCAL AF_UNIX
    177 #endif
    178 
    179 /* pfft, but what are you going to do? */
    180 #ifndef MSG_NOSIGNAL
    181 #define MSG_NOSIGNAL 0
    182 #endif
    183 
    184 #if defined(__sun__) && !defined(RUMP_REGISTER_T)
    185 #define RUMP_REGISTER_T long
    186 typedef RUMP_REGISTER_T register_t;
    187 #endif
    188 
    189 #endif /* _LIB_LIBRUMPUSER_RUMPUSER_PORT_H_ */
    190