NetBSD/lib/librumpuser/rumpuser_port.h

178 lines
3.4 KiB
C

/* $NetBSD: rumpuser_port.h,v 1.12 2013/01/17 21:42:22 pooka Exp $ */
/*
* Portability header for non-NetBSD platforms.
* Quick & dirty.
* Maybe should try to use the infrastructure in tools/compat instead?
*/
/*
* XXX:
* There is currently no errno translation for the error values reported
* by the hypercall layer.
*/
#ifndef _LIB_LIBRUMPUSER_RUMPUSER_PORT_H_
#define _LIB_LIBRUMPUSER_RUMPUSER_PORT_H_
#ifdef __NetBSD__
#include <sys/cdefs.h>
#include <sys/param.h>
#define PLATFORM_HAS_KQUEUE
#define PLATFORM_HAS_CHFLAGS
#define PLATFORM_HAS_NBMOUNT
#define PLATFORM_HAS_NFSSVC
#define PLATFORM_HAS_FSYNC_RANGE
#define PLATFORM_HAS_NBSYSCTL
#define PLATFORM_HAS_NBFILEHANDLE
#if __NetBSD_Prereq__(5,99,48)
#define PLATFORM_HAS_NBQUOTA
#endif
/*
* This includes also statvfs1() and fstatvfs1(). They could be
* reasonably easily emulated on other platforms.
*/
#define PLATFORM_HAS_NBVFSSTAT
#endif
#ifdef __linux__
#define _XOPEN_SOURCE 600
#define _BSD_SOURCE
#define _FILE_OFFSET_BITS 64
#define _GNU_SOURCE
#include <features.h>
#endif
#include <sys/types.h>
#include <sys/param.h>
/* maybe this should be !__NetBSD__ ? */
#if defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
|| defined(__DragonFly__) || defined(__CYGWIN__)
#include <errno.h>
#include <stdlib.h>
#include <string.h>
/* this is inline simply to make this header self-contained */
static inline int
getenv_r(const char *name, char *buf, size_t buflen)
{
char *tmp;
if ((tmp = getenv(name)) != NULL) {
if (strlen(tmp) >= buflen) {
errno = ERANGE;
return -1;
}
strcpy(buf, tmp);
return 0;
} else {
errno = ENOENT;
return -1;
}
}
#endif
#if defined(__sun__)
#include <sys/sysmacros.h>
/* Solarisa 10 has memalign() but no posix_memalign() */
#include <stdlib.h>
static inline int
posix_memalign(void **ptr, size_t align, size_t size)
{
*ptr = memalign(align, size);
if (*ptr == NULL)
return ENOMEM;
return 0;
}
#endif /* __sun__ */
#ifndef __RCSID
#define __RCSID(a)
#endif
#ifndef INFTIM
#define INFTIM (-1)
#endif
#ifndef _DIAGASSERT
#define _DIAGASSERT(_p_)
#endif
#if defined(__linux__) || defined(__sun__) || defined(__CYGWIN__)
#define SIN_SETLEN(a,b)
#else /* BSD */
#define SIN_SETLEN(_sin_, _len_) _sin_.sin_len = _len_
#endif
#ifndef __predict_true
#define __predict_true(a) a
#define __predict_false(a) a
#endif
#ifndef __dead
#define __dead __attribute__((__noreturn__))
#endif
#ifndef __printflike
#define __printflike(a,b)
#endif
#ifndef __noinline
#ifdef __GNUC__
#define __noinline __attribute__((__noinline__))
#else
#define __noinline
#endif
#endif
#ifndef __arraycount
#define __arraycount(_ar_) (sizeof(_ar_)/sizeof(_ar_[0]))
#endif
#ifndef __UNCONST
#define __UNCONST(_a_) ((void *)(unsigned long)(const void *)(_a_))
#endif
#if defined(__linux__) || defined(__sun__) || defined (__CYGWIN__)
#define arc4random() random()
#define RUMPUSER_USE_RANDOM
#endif
#ifndef __NetBSD_Prereq__
#define __NetBSD_Prereq__(a,b,c) 0
#endif
#include <sys/socket.h>
#if !defined(__CMSG_ALIGN)
#ifdef CMSG_ALIGN
#define __CMSG_ALIGN(a) CMSG_ALIGN(a)
#endif
#endif
#ifndef PF_LOCAL
#define PF_LOCAL PF_UNIX
#endif
#ifndef AF_LOCAL
#define AF_LOCAL AF_UNIX
#endif
/* pfft, but what are you going to do? */
#ifndef MSG_NOSIGNAL
#define MSG_NOSIGNAL 0
#endif
#if defined(__sun__) && !defined(RUMP_REGISTER_T)
#define RUMP_REGISTER_T long
typedef RUMP_REGISTER_T register_t;
#endif
#endif /* _LIB_LIBRUMPUSER_RUMPUSER_PORT_H_ */