--- /dev/null
+/* $OpenBSD: limits.h,v 1.6 2005/12/13 00:35:23 millert Exp $ */
+/*
+ * Copyright (c) 2002 Marc Espie.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBSD
+ * PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef _SYS_LIMITS_H_
+#define _SYS_LIMITS_H_
+
+#include <sys/cdefs.h>
+#include <linux/limits.h>
+
+/* Common definitions for limits.h. */
+
+/*
+ * <machine/internal_types.h> is meant to describe a specific architecture,
+ * but to be a safe include, that doesn't ever define anything that is
+ * user-visible (only typedefs and #define names that stays in the __xxx
+ * namespace).
+ *
+ * __machine_has_unsigned_chars (default is signed chars)
+ * __FLT_xxx/__DBL_xxx non standard values for floating
+ * points limits.
+ */
+#include <machine/internal_types.h>
+
+/* Legacy */
+#include <machine/limits.h>
+
+#define CHAR_BIT 8 /* number of bits in a char */
+
+#define SCHAR_MAX 0x7f /* max value for a signed char */
+#define SCHAR_MIN (-0x7f-1) /* min value for a signed char */
+
+#define UCHAR_MAX 0xffU /* max value for an unsigned char */
+#ifdef __machine_has_unsigned_chars
+# define CHAR_MIN 0 /* min value for a char */
+# define CHAR_MAX 0xff /* max value for a char */
+#else
+# define CHAR_MAX 0x7f
+# define CHAR_MIN (-0x7f-1)
+#endif
+
+#define USHRT_MAX 0xffffU /* max value for an unsigned short */
+#define SHRT_MAX 0x7fff /* max value for a short */
+#define SHRT_MIN (-0x7fff-1) /* min value for a short */
+
+#define UINT_MAX 0xffffffffU /* max value for an unsigned int */
+#define INT_MAX 0x7fffffff /* max value for an int */
+#define INT_MIN (-0x7fffffff-1) /* min value for an int */
+
+#ifdef __LP64__
+# define ULONG_MAX 0xffffffffffffffffUL
+ /* max value for unsigned long */
+# define LONG_MAX 0x7fffffffffffffffL
+ /* max value for a signed long */
+# define LONG_MIN (-0x7fffffffffffffffL-1)
+ /* min value for a signed long */
+#else
+# define ULONG_MAX 0xffffffffUL /* max value for an unsigned long */
+# define LONG_MAX 0x7fffffffL /* max value for a long */
+# define LONG_MIN (-0x7fffffffL-1)/* min value for a long */
+#endif
+
+#if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999
+# define ULLONG_MAX 0xffffffffffffffffULL
+ /* max value for unsigned long long */
+# define LLONG_MAX 0x7fffffffffffffffLL
+ /* max value for a signed long long */
+# define LLONG_MIN (-0x7fffffffffffffffLL-1)
+ /* min value for a signed long long */
+#endif
+
+#if __BSD_VISIBLE
+# define UID_MAX UINT_MAX /* max value for a uid_t */
+# define GID_MAX UINT_MAX /* max value for a gid_t */
+#endif
+
+
+#ifdef __LP64__
+# define LONG_BIT 64
+#else
+# define LONG_BIT 32
+#endif
+
+/* float.h defines these as well */
+# if !defined(DBL_DIG)
+# if defined(__DBL_DIG)
+# define DBL_DIG __DBL_DIG
+# define DBL_MAX __DBL_MAX
+# define DBL_MIN __DBL_MIN
+
+# define FLT_DIG __FLT_DIG
+# define FLT_MAX __FLT_MAX
+# define FLT_MIN __FLT_MIN
+# else
+# define DBL_DIG 15
+# define DBL_MAX 1.7976931348623157E+308
+# define DBL_MIN 2.2250738585072014E-308
+
+# define FLT_DIG 6
+# define FLT_MAX 3.40282347E+38F
+# define FLT_MIN 1.17549435E-38F
+# endif
+# endif
+
+/* Bionic: the following has been optimized out from our processed kernel headers */
+
+#define CHILD_MAX 999
+#define OPEN_MAX 256
+
+/* Bionic-specific definitions */
+
+#define _POSIX_VERSION 200112L /* Posix C language bindings version */
+#define _POSIX2_VERSION -1 /* we don't support Posix command-line tools */
+#define _POSIX2_C_VERSION _POSIX_VERSION
+#define _XOPEN_VERSION 500 /* by Posix definition */
+#define _XOPEN_XCU_VERSION -1 /* we don't support command-line utilities */
+
+/* tell what we implement legacy stuff when appropriate */
+#if _POSIX_VERSION > 0
+#define _XOPEN_XPG2 1
+#define _XOPEN_XPG3 1
+#define _XOPEN_XPG4 1
+#define _XOPEN_UNIX 1
+#endif
+
+#define _XOPEN_ENH_I18N -1 /* we don't support internationalization in the C library */
+#define _XOPEN_CRYPT -1 /* don't support X/Open Encryption */
+#define _XOPEN_LEGACY -1 /* don't claim we support these, we have some of them but not all */
+#define _XOPEN_REALTIME -1 /* we don't support all these functions */
+#define _XOPEN_REALTIME_THREADS -1 /* same here */
+
+#define _POSIX_REALTIME_SIGNALS -1 /* for now, this is not supported */
+#define _POSIX_PRIORITY_SCHEDULING 1 /* priority scheduling is a Linux feature */
+#define _POSIX_TIMERS 1 /* Posix timers are supported */
+#undef _POSIX_ASYNCHRONOUS_IO /* aio_ functions are not supported */
+#define _POSIX_SYNCHRONIZED_IO 1 /* synchronized i/o supported */
+#define _POSIX_FSYNC 1 /* fdatasync() supported */
+#define _POSIX_MAPPED_FILES 1 /* mmap-ed files supported */
+
+/* XXX: TODO: complete and check list here */
+
+
+#define _POSIX_THREADS 1 /* we support threads */
+#define _POSIX_THREAD_STACKADDR 1 /* we support thread stack address */
+#define _POSIX_THREAD_STACKSIZE 1 /* we support thread stack size */
+#define _POSIX_THREAD_PRIO_INHERIT 200112L /* linux feature */
+#define _POSIX_THREAD_PRIO_PROTECT 200112L /* linux feature */
+
+#undef _POSIX_PROCESS_SHARED /* we don't support process-shared synchronization */
+#undef _POSIX_THREAD_SAFE_FUNCTIONS /* most functions are, but not everything yet */
+#define _POSIX_CHOWN_RESTRICTED 1 /* yes, chown requires appropriate priviledges */
+#define _POSIX_NO_TRUNC 1 /* very long pathnames generate an error */
+#define _POSIX_SAVED_IDS 1 /* saved user ids is a Linux feature */
+#define _POSIX_JOB_CONTROL 1 /* job control is a Linux feature */
+
+
+
+#endif
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