b8f3bd857b
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@18 42af7a65-404d-4744-a932-0658087f49c3
160 lines
4.8 KiB
C
160 lines
4.8 KiB
C
/************************************************************
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* types.h
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*
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* Copyright (C) 2007 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 Gregory Nutt 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 */
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#ifndef NULL
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#define NULL (void*)0L
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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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/* POSIX-like scheduling policies (only SCHED_FIFO is supported) */
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#define SCHED_FIFO 1 /* FIFO per priority scheduling policy */
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#define SCHED_RR 2 /* Round robin scheduling policy */
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#define SCHED_OTHER 4 /* Not used */
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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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/* oflag bit settings for sem_open and mq_open */
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#define O_RDONLY 0x01 /* Open for read access */
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#define O_WRONLY 0x02 /* Open for write access */
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#define O_RDWR 0x03 /* Open for both read & write access */
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#define O_CREAT 0x04 /* Create semaphore/message queue */
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#define O_EXCL 0x08 /* Name must not exist when opened */
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#define O_APPEND 0x10
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#define O_TRUNC 0x20
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#define O_NONBLOCK 0x40 /* Don't wait for data */
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#define O_NDELAY O_NONBLOCK
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#define O_LOCK 0x80
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#define O_RDOK O_RDONLY /* Not POSIX */
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#define O_WROK O_WRONLY /* Not POSIX */
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/************************************************************
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* Type Declarations
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************************************************************/
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#ifndef __ASSEMBLY__
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#ifndef CONFIG_HAVE_DOUBLE
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typedef float double_t;
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#else
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typedef double double_t;
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#endif
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/* Misc. scalar types */
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typedef unsigned int mode_t;
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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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#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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#endif
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//typedef sint32 time_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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/* Process entry point */
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typedef int (*main_t)(int argc, char *argv[]);
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/* This is the POSIX-like scheduling parameter structure */
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struct sched_param
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{
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int sched_priority;
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};
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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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