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Diffstat (limited to 'nuttx/include/sys/types.h')
| -rw-r--r-- | nuttx/include/sys/types.h | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/nuttx/include/sys/types.h b/nuttx/include/sys/types.h new file mode 100644 index 000000000..6014b9b74 --- /dev/null +++ b/nuttx/include/sys/types.h @@ -0,0 +1,229 @@ +/**************************************************************************** + * include/sys/types.h + * + * Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * 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. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 + * COPYRIGHT OWNER 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 __INCLUDE_SYS_TYPES_H +#define __INCLUDE_SYS_TYPES_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> +#include <nuttx/compiler.h> + +#ifndef __ASSEMBLY__ +# include <stdint.h> +#endif + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* Alternative values for type bool (for historic reasons) */ + +#ifndef TRUE +# define TRUE 1 +#endif +#ifndef FALSE +# define FALSE 0 +#endif + +/* NULL is usually defined in stddef.h (which includes this file) */ + +#ifndef NULL + /* SDCC is sensitive to NULL pointer type conversions */ +# ifdef SDCC +# define NULL (0) +# else +# define NULL ((void*)0) +# endif +#endif + +/* POSIX-like OS return values: */ + +#if !defined(__cplusplus) +# undef ERROR +# define ERROR -1 +#endif + +#undef OK +#define OK 0 + +/* HPUX-like MIN/MAX value */ + +#define PRIOR_RR_MIN 0 +#define PRIOR_RR_MAX 255 +#define PRIOR_FIFO_MIN 0 +#define PRIOR_FIFO_MAX 255 +#define PRIOR_OTHER_MIN 0 +#define PRIOR_OTHER_MAX 255 + +/* Scheduling Priorities. NOTE: Only the idle task can take + * the true minimum priority. */ + +#define SCHED_PRIORITY_MAX 255 +#define SCHED_PRIORITY_DEFAULT 100 +#define SCHED_PRIORITY_MIN 1 +#define SCHED_PRIORITY_IDLE 0 + +/**************************************************************************** + * Type Declarations + ****************************************************************************/ + +#ifndef __ASSEMBLY__ + +/* Floating point types */ + +typedef float float32; +#ifndef CONFIG_HAVE_DOUBLE +typedef float double_t; +typedef float float64; +#else +typedef double double_t; +typedef double float64; +#endif + +/* Misc. scalar types */ + +/* mode_t is an integer type used for file attributes. mode_t needs + * to be at least 16-bits but, in fact must be sizeof(int) because it is + * pased via varargs. + */ + +typedef unsigned int mode_t; + +/* size_t is used for sizes of memory objects. + * ssize_t is used for a count of bytes or an error indication. + */ + +#ifdef CONFIG_SMALL_MEMORY +typedef uint16_t size_t; +typedef int16_t ssize_t; +#else +typedef uint32_t size_t; +typedef int32_t ssize_t; +#endif + +/* uid_t is used for user IDs + * gid_t is used for group IDs. + */ + +typedef int16_t uid_t; +typedef int16_t gid_t; + +/* dev_t is used for device IDs */ + +typedef uint16_t dev_t; + +/* ino_t is used for file serial numbers */ + +typedef uint16_t ino_t; + +/* pid_t is used for process IDs and process group IDs */ + +typedef int pid_t; + +/* id_t is a general identifier that can be used to contain at least a pid_t, + * uid_t, or gid_t. + */ + +typedef unsigned int id_t; + +/* Signed integral type of the result of subtracting two pointers */ + +typedef intptr_t ptrdiff_t; + +/* Wide, 16-bit character types. wchar_t is a built-in type in C++ and + * its declaration here may cause compilation errors on some compilers + * if -DCONFIG_WCHAR_BUILTIN is not included in the CXXFLAGS. + */ + +#ifndef CONFIG_WCHAR_BUILTIN +typedef uint16_t wchar_t; +#endif + +/* blkcnt_t and off_t are signed integer types. + * + * blkcnt_t is used for file block counts. + * off_t is used for file offsets and sizes. + * fpos_t is used for file positions. + * + * Hence, all should be independent of processor architecture. + */ + +typedef uint32_t blkcnt_t; +typedef int32_t off_t; +typedef off_t fpos_t; + +/* Large file versions */ + +#ifdef CONFIG_HAVE_LONG_LONG +typedef int64_t off64_t; +typedef int64_t fpos64_t; +#endif + +/* blksize_t is a signed integer value used for file block sizes */ + +typedef int16_t blksize_t; + +/* Network related */ + +typedef unsigned int socklen_t; +typedef uint16_t sa_family_t; + +/* Used for system times in clock ticks */ + +typedef uint32_t clock_t; + +/* The type useconds_t shall be an unsigned integer type capable of storing + * values at least in the range [0, 1000000]. The type suseconds_t shall be + * a signed integer type capable of storing values at least in the range + * [-1, 1000000]. + */ + +typedef uint32_t useconds_t; +typedef int32_t suseconds_t; + +/* Task entry point */ + +typedef int (*main_t)(int argc, char *argv[]); + +#endif + +/**************************************************************************** + * Global Function Prototypes + ****************************************************************************/ + +#endif /* __INCLUDE_SYS_TYPES_H */ |