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rumpuser_port.h revision 1.4 
      1 /*	$NetBSD: rumpuser_port.h,v 1.4 2012/11/18 19:29:40 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 __sun__
     19 typedef long register_t;
     20 #endif
     21 
     22 #ifdef __NetBSD__
     23 #include <sys/cdefs.h>
     24 #include <sys/param.h>
     25 
     26 #define PLATFORM_HAS_KQUEUE
     27 #define PLATFORM_HAS_CHFLAGS
     28 #define PLATFORM_HAS_NBMOUNT
     29 #define PLATFORM_HAS_NFSSVC
     30 #define PLATFORM_HAS_FSYNC_RANGE
     31 #define PLATFORM_HAS_NBSYSCTL
     32 #define PLATFORM_HAS_NBFILEHANDLE
     33 
     34 #if __NetBSD_Prereq__(5,99,48)
     35 #define PLATFORM_HAS_NBQUOTA
     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
     44 
     45 #ifdef __linux__
     46 #define _XOPEN_SOURCE 600
     47 #define _BSD_SOURCE
     48 #define _FILE_OFFSET_BITS 64
     49 #define _GNU_SOURCE
     50 #include <features.h>
     51 #endif
     52 
     53 #include <sys/types.h>
     54 #include <sys/param.h>
     55 
     56 #if defined(__linux__) || defined(__sun__)
     57 #include <errno.h>
     58 #include <stdlib.h>
     59 #include <string.h>
     60 
     61 /* this is inline simply to make this header self-contained */
     62 static inline int
     63 getenv_r(const char *name, char *buf, size_t buflen)
     64 {
     65 	char *tmp;
     66 
     67 	if ((tmp = getenv(name)) != NULL) {
     68 		if (strlen(tmp) >= buflen) {
     69 			errno = ERANGE;
     70 			return -1;
     71 		}
     72 		strcpy(buf, tmp);
     73 		return 0;
     74 	} else {
     75 		errno = ENOENT;
     76 		return -1;
     77 	}
     78 }
     79 #endif
     80 
     81 /* Solarisa 10 has memalign() but no posix_memalign() */
     82 #if defined(__sun__)
     83 #include <stdlib.h>
     84 
     85 static inline int
     86 posix_memalign(void **ptr, size_t align, size_t size)
     87 {
     88 
     89 	*ptr = memalign(align, size);
     90 	if (*ptr == NULL)
     91 		return ENOMEM;
     92 	return 0;
     93 }
     94 #endif /* __sun__ */
     95 
     96 #ifndef __RCSID
     97 #define __RCSID(a)
     98 #endif
     99 
    100 #ifndef INFTIM
    101 #define INFTIM (-1)
    102 #endif
    103 
    104 #ifndef _DIAGASSERT
    105 #define _DIAGASSERT(_p_)
    106 #endif
    107 
    108 #if defined(__linux__) || defined(__sun__)
    109 #define SA_SETLEN(a,b)
    110 #else /* BSD */
    111 #define SA_SETLEN(_sa_, _len_) ((struct sockaddr *)_sa_)->sa_len = _len_
    112 #endif
    113 
    114 #ifndef __predict_true
    115 #define __predict_true(a) a
    116 #define __predict_false(a) a
    117 #endif
    118 
    119 #ifndef __dead
    120 #define __dead
    121 #endif
    122 
    123 #ifndef __printflike
    124 #define __printflike(a,b)
    125 #endif
    126 
    127 #ifndef __noinline
    128 #ifdef __GNUC__
    129 #define __noinline __attribute__((__noinline__))
    130 #else
    131 #define __noinline
    132 #endif
    133 #endif
    134 
    135 #ifndef __arraycount
    136 #define __arraycount(_ar_) (sizeof(_ar_)/sizeof(_ar_[0]))
    137 #endif
    138 
    139 #ifndef __UNCONST
    140 #define __UNCONST(_a_) ((void *)(unsigned long)(const void *)(_a_))
    141 #endif
    142 
    143 #if defined(__linux__) || defined(__sun__)
    144 #define arc4random() random()
    145 #endif
    146 
    147 #ifndef __NetBSD_Prereq__
    148 #define __NetBSD_Prereq__(a,b,c) 0
    149 #endif
    150 
    151 #include <sys/socket.h>
    152 
    153 #if !defined(__CMSG_ALIGN)
    154 #ifdef CMSG_ALIGN
    155 #define __CMSG_ALIGN(a) CMSG_ALIGN(a)
    156 #endif
    157 #endif
    158 
    159 #ifndef PF_LOCAL
    160 #define PF_LOCAL PF_UNIX
    161 #endif
    162 #ifndef AF_LOCAL
    163 #define AF_LOCAL AF_UNIX
    164 #endif
    165 
    166 /* pfft, but what are you going to do? */
    167 #ifndef MSG_NOSIGNAL
    168 #define MSG_NOSIGNAL 0
    169 #endif
    170 
    171 #endif /* _LIB_LIBRUMPUSER_RUMPUSER_PORT_H_ */
    172