8d2ee87e24
required (rumpuser interface no longer uses off_t) and force-defining it causes foo() to magically become foo64() on glibc (even on 64bit platforms).
242 lines
4.6 KiB
C
242 lines
4.6 KiB
C
/* $NetBSD: rumpuser_port.h,v 1.28 2014/01/16 16:03:33 pooka Exp $ */
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/*
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* Portability header for non-NetBSD platforms.
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* Quick & dirty.
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* Maybe should try to use the infrastructure in tools/compat instead?
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*/
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#ifndef _LIB_LIBRUMPUSER_RUMPUSER_PORT_H_
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#define _LIB_LIBRUMPUSER_RUMPUSER_PORT_H_
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#ifdef __NetBSD__
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#include <sys/cdefs.h>
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#include <sys/param.h>
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#define PLATFORM_HAS_KQUEUE
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#define PLATFORM_HAS_CHFLAGS
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#define PLATFORM_HAS_NBMOUNT
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#define PLATFORM_HAS_NFSSVC
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#define PLATFORM_HAS_FSYNC_RANGE
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#define PLATFORM_HAS_NBSYSCTL
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#define PLATFORM_HAS_NBFILEHANDLE
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#define PLATFORM_HAS_STRSUFTOLL
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#define PLATFORM_HAS_SETGETPROGNAME
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#if __NetBSD_Prereq__(5,99,48)
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#define PLATFORM_HAS_NBQUOTA
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#endif
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#if __NetBSD_Prereq__(6,99,16)
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#define HAVE_CLOCK_NANOSLEEP
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#endif
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/*
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* This includes also statvfs1() and fstatvfs1(). They could be
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* reasonably easily emulated on other platforms.
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*/
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#define PLATFORM_HAS_NBVFSSTAT
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#endif /* __NetBSD__ */
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/* might not be 100% accurate, maybe need to revisit later */
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#if defined(__linux__) || defined(__sun__)
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#define HAVE_CLOCK_NANOSLEEP
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#endif
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#ifdef __linux__
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#define _XOPEN_SOURCE 600
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#define _BSD_SOURCE
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#define _GNU_SOURCE
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#include <features.h>
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#endif
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#if defined(__sun__)
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# if defined(RUMPUSER_NO_FILE_OFFSET_BITS)
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# undef _FILE_OFFSET_BITS
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# endif
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#endif
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#if defined(__APPLE__)
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#define __dead __attribute__((noreturn))
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#include <sys/cdefs.h>
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#include <libkern/OSAtomic.h>
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#define atomic_inc_uint(x) OSAtomicIncrement32((volatile int32_t *)(x))
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#define atomic_dec_uint(x) OSAtomicDecrement32((volatile int32_t *)(x))
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#include <sys/time.h>
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#define CLOCK_REALTIME 0
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typedef int clockid_t;
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static inline int
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clock_gettime(clockid_t clk, struct timespec *ts)
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{
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struct timeval tv;
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if (gettimeofday(&tv, 0) == 0) {
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ts->tv_sec = tv.tv_sec;
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ts->tv_nsec = tv.tv_usec * 1000;
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}
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return -1;
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}
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#endif
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#include <sys/types.h>
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#include <sys/param.h>
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/* NetBSD is the only(?) platform with getenv_r() */
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#if !defined(__NetBSD__)
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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/* this is inline simply to make this header self-contained */
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static inline int
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getenv_r(const char *name, char *buf, size_t buflen)
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{
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char *tmp;
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if ((tmp = getenv(name)) != NULL) {
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if (strlen(tmp) >= buflen) {
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errno = ERANGE;
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return -1;
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}
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strcpy(buf, tmp);
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return 0;
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} else {
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errno = ENOENT;
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return -1;
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}
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}
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#endif
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#if defined(__sun__)
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#include <sys/sysmacros.h>
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#if !defined(HAVE_POSIX_MEMALIGN)
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/* Solarisa 10 has memalign() but no posix_memalign() */
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#include <stdlib.h>
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static inline int
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posix_memalign(void **ptr, size_t align, size_t size)
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{
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*ptr = memalign(align, size);
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if (*ptr == NULL)
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return ENOMEM;
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return 0;
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}
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#endif /* !HAVE_POSIX_MEMALIGN */
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#endif /* __sun__ */
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#ifndef __RCSID
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#define __RCSID(a)
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#endif
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#ifndef INFTIM
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#define INFTIM (-1)
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#endif
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#ifndef _DIAGASSERT
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#define _DIAGASSERT(_p_)
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#endif
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#if defined(__linux__) || defined(__sun__) || defined(__CYGWIN__)
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#define SIN_SETLEN(a,b)
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#else /* BSD */
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#define SIN_SETLEN(_sin_, _len_) _sin_.sin_len = _len_
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#endif
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#ifndef __predict_true
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#define __predict_true(a) a
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#define __predict_false(a) a
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#endif
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#ifndef __dead
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#define __dead __attribute__((__noreturn__))
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#endif
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#ifndef __printflike
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#define __printflike(a,b)
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#endif
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#ifndef __noinline
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#ifdef __GNUC__
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#define __noinline __attribute__((__noinline__))
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#else
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#define __noinline
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#endif
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#endif
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#ifndef __arraycount
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#define __arraycount(_ar_) (sizeof(_ar_)/sizeof(_ar_[0]))
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#endif
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#ifndef __UNCONST
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#define __UNCONST(_a_) ((void *)(unsigned long)(const void *)(_a_))
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#endif
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#ifndef __CONCAT
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#define __CONCAT(x,y) x ## y
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#endif
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#ifndef __STRING
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#define __STRING(x) #x
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#endif
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#if defined(__linux__) || defined(__sun__) || defined (__CYGWIN__)
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#define RUMPUSER_RANDOM() random()
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#define RUMPUSER_USE_DEVRANDOM
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#else
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#define RUMPUSER_RANDOM() arc4random()
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#endif
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#ifndef __NetBSD_Prereq__
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#define __NetBSD_Prereq__(a,b,c) 0
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#endif
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#include <sys/socket.h>
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#if !defined(__CMSG_ALIGN)
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#ifdef CMSG_ALIGN
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#define __CMSG_ALIGN(a) CMSG_ALIGN(a)
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#endif
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#endif
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#ifndef PF_LOCAL
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#define PF_LOCAL PF_UNIX
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#endif
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#ifndef AF_LOCAL
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#define AF_LOCAL AF_UNIX
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#endif
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/* pfft, but what are you going to do? */
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#ifndef MSG_NOSIGNAL
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#define MSG_NOSIGNAL 0
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#endif
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#if defined(__sun__) && !defined(RUMP_REGISTER_T)
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#define RUMP_REGISTER_T long
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typedef RUMP_REGISTER_T register_t;
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#endif
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#include <sys/time.h>
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#ifndef TIMEVAL_TO_TIMESPEC
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#define TIMEVAL_TO_TIMESPEC(tv, ts) \
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do { \
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(ts)->tv_sec = (tv)->tv_sec; \
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(ts)->tv_nsec = (tv)->tv_usec * 1000; \
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} while (/*CONSTCOND*/0)
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#endif
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#ifndef PLATFORM_HAS_SETGETPROGNAME
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#define setprogname(a)
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#endif
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#endif /* _LIB_LIBRUMPUSER_RUMPUSER_PORT_H_ */
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