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rumpuser_port.h revision 1.3 
      1 /*	$NetBSD: rumpuser_port.h,v 1.3 2012/09/03 11:33:35 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 #include <sys/types.h>
     50 #include <sys/param.h>
     51 
     52 #if defined(__linux__)
     53 #include <errno.h>
     54 #include <stdlib.h>
     55 #include <string.h>
     56 
     57 /* this is inline simply to make this header self-contained */
     58 static inline int
     59 getenv_r(const char *name, char *buf, size_t buflen)
     60 {
     61 	char *tmp;
     62 
     63 	if ((tmp = getenv(name)) != NULL) {
     64 		if (strlen(tmp) >= buflen) {
     65 			errno = ERANGE;
     66 			return -1;
     67 		}
     68 		strcpy(buf, tmp);
     69 		return 0;
     70 	} else {
     71 		errno = ENOENT;
     72 		return -1;
     73 	}
     74 }
     75 #endif
     76 
     77 #ifndef __RCSID
     78 #define __RCSID(a)
     79 #endif
     80 
     81 #ifndef INFTIM
     82 #define INFTIM (-1)
     83 #endif
     84 
     85 #ifndef _DIAGASSERT
     86 #define _DIAGASSERT(_p_)
     87 #endif
     88 
     89 #ifdef __linux__
     90 #define SA_SETLEN(a,b)
     91 #else /* BSD */
     92 #define SA_SETLEN(_sa_, _len_) ((struct sockaddr *)_sa_)->sa_len = _len_
     93 #endif
     94 
     95 #ifndef __predict_true
     96 #define __predict_true(a) a
     97 #define __predict_false(a) a
     98 #endif
     99 
    100 #ifndef __dead
    101 #define __dead
    102 #endif
    103 
    104 #ifndef __printflike
    105 #define __printflike(a,b)
    106 #endif
    107 
    108 #ifndef __noinline
    109 #ifdef __GNUC__
    110 #define __noinline __attribute__((__noinline__))
    111 #else
    112 #define __noinline
    113 #endif
    114 #endif
    115 
    116 #ifndef __arraycount
    117 #define __arraycount(_ar_) (sizeof(_ar_)/sizeof(_ar_[0]))
    118 #endif
    119 
    120 #ifndef __UNCONST
    121 #define __UNCONST(_a_) ((void *)(unsigned long)(const void *)(_a_))
    122 #endif
    123 
    124 #ifdef __linux__
    125 #define arc4random() random()
    126 #endif
    127 
    128 #ifndef __NetBSD_Prereq__
    129 #define __NetBSD_Prereq__(a,b,c) 0
    130 #endif
    131 
    132 #if !defined(__CMSG_ALIGN)
    133 #include <sys/socket.h>
    134 #ifdef CMSG_ALIGN
    135 #define __CMSG_ALIGN(a) CMSG_ALIGN(a)
    136 #endif
    137 #endif
    138 
    139 #endif /* _LIB_LIBRUMPUSER_RUMPUSER_PORT_H_ */
    140