9535a28d7a
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2329 42af7a65-404d-4744-a932-0658087f49c3
158 lines
4.9 KiB
C
158 lines
4.9 KiB
C
/****************************************************************************
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* sys/types.h
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*
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* Copyright (C) 2007, 2008, 2009 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __SYS_TYPES_H
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#define __SYS_TYPES_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <arch/types.h>
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#include <nuttx/compiler.h>
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/* Values for type boolean */
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#define TRUE 1
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#define FALSE 0
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/* NULL is usually defined in stddef.h (which includes this file) */
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#ifndef NULL
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/* SDCC is sensitive to NULL pointer type conversions */
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# ifdef SDCC
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# define NULL (0)
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# else
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# define NULL ((void*)0)
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# endif
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#endif
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/* POSIX-like OS return values: */
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#if !defined(__cplusplus)
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# undef ERROR
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# define ERROR -1
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#endif
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#undef OK
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#define OK 0
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/* HPUX-like MIN/MAX value */
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#define PRIOR_RR_MIN 0
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#define PRIOR_RR_MAX 255
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#define PRIOR_FIFO_MIN 0
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#define PRIOR_FIFO_MAX 255
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#define PRIOR_OTHER_MIN 0
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#define PRIOR_OTHER_MAX 255
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/* Scheduling Priorities. NOTE: Only the idle task can take
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* the TRUE minimum priority. */
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#define SCHED_PRIORITY_MAX 255
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#define SCHED_PRIORITY_DEFAULT 100
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#define SCHED_PRIORITY_MIN 1
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#define SCHED_PRIORITY_IDLE 0
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/****************************************************************************
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* Type Declarations
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****************************************************************************/
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#ifndef __ASSEMBLY__
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typedef float float32;
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#ifndef CONFIG_HAVE_DOUBLE
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typedef float double_t;
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typedef float float64;
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#else
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typedef double double_t;
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typedef double float64;
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#endif
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/* Misc. scalar types */
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typedef unsigned int mode_t; /* Needs at least 16-bits but must be */
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/* sizeof(int) because it is passed */
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/* via varargs. */
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#ifdef CONFIG_SMALL_MEMORY
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typedef uint16 size_t;
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typedef sint16 ssize_t;
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typedef sint16 off_t;
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typedef uint16 blksize_t;
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typedef uint16 blkcnt_t;
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#else
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typedef uint32 size_t;
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typedef sint32 ssize_t;
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typedef sint32 off_t;
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typedef uint16 blksize_t;
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typedef uint32 blkcnt_t;
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#endif
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typedef off_t fpos_t;
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typedef sint16 uid_t;
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typedef sint16 gid_t;
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typedef uint16 dev_t;
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typedef uint16 ino_t;
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typedef unsigned int sig_atomic_t;
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typedef int pid_t;
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typedef int STATUS;
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typedef unsigned int socklen_t;
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typedef uint16 sa_family_t;
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/* The type useconds_t shall be an unsigned integer type capable of storing
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* values at least in the range [0, 1000000]. The type suseconds_t shall be
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* a signed integer type capable of storing values at least in the range
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* [-1, 1000000].
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*/
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typedef uint32 useconds_t;
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typedef sint32 suseconds_t;
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/* Task entry point */
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typedef int (*main_t)(int argc, char *argv[]);
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#endif
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/****************************************************************************
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* Global Function Prototypes
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****************************************************************************/
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#endif /* __SYS_TYPES_H */
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