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Diffstat (limited to 'nuttx/include/limits.h')
| -rw-r--r-- | nuttx/include/limits.h | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/nuttx/include/limits.h b/nuttx/include/limits.h deleted file mode 100644 index 056e2ada8..000000000 --- a/nuttx/include/limits.h +++ /dev/null @@ -1,212 +0,0 @@ -/******************************************************************************** - * include/limits.h - * - * Copyright (C) 2007-2009 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_LIMITS_H -#define __INCLUDE_LIMITS_H - -/******************************************************************************** - * Included Files - ********************************************************************************/ - -#include <nuttx/config.h> - -/* Architecture specific limits */ - -#include <arch/limits.h> - -/******************************************************************************** - * Pre-processor Definitions - ********************************************************************************/ -/* Default values for user configurable limits **********************************/ -/* Maximum number of bytes in a filename (not including terminating null). */ - -#ifndef CONFIG_NAME_MAX -# define CONFIG_NAME_MAX 32 -#endif - -/* Maximum number of bytes in a pathname, including the terminating null - * character. - */ - -#ifndef CONFIG_PATH_MAX -# if CONFIG_NAME_MAX < 64 -# define CONFIG_PATH_MAX (4*CONFIG_NAME_MAX + 1) -# else -# define CONFIG_PATH_MAX 256 -# endif -#endif - -/* Configurable limits required by POSIX **************************************** - * - * Required for all implementations: - * - * _POSIX_ARG_MAX Total length of string arguments - * _POSIX_CHILD_MAX Number of child tasks active - * _POSIX_LINK_MAX The number of links a file can have - * _POSIX_MAX_CANON Number bytes in TTY canonical input queue - * _POSIX_MAX_INPUT Number bytes in TTY canonical input queue - * _POSIX_NAME_MAX Number of bytes in a file or pathname component - * _POSIX_NGROUPS_MAX Number supplementary group IDs - * _POSIX_OPEN_MAX Number of files a task can have open at once - * _POSIX_PATH_MAX Number of bytes in a full pathname (including NULL) - * _POSIX_PIPE_BUF Number of bytes for atomic write into pipe - * _POSIX_SSIZE_MAX Largest filesystem write; also max value of ssize_t - * _POSIX_STREAM_MAX Number of std I/O streams open at once - * _POSIX_TZNAME_MAX Max number of bytes of a timezone name - * - * Required for sigqueue - * - * _POSIX_RTSIG_MAX Difference between SIGRTMIN and SIGRTMAX - * _POSIX_SIGQUEUE_MAX Max number signals a task can queue - * - * Required for POSIX timers - * - * _POSIX_DELAYTIMER_MAX Max number timer overruns - * _POSIX_TIMER_MAX Max number of timers per task - * _POSIX_CLOCKRES_MIN Clock resolution in nanoseconds - * - * Required for asynchronous I/O - * - * _POSIX_AIO_LISTIO_MAX Max number of AIOs in single listio call - * _POSIX_AIO_MAX Max number of simultaneous AIO operations - * - * Required for POSIX message passing - * - * _POSIX_MQ_OPEN_MAX Max number message queues task may open (mq_open) - * _POSIX_MQ_PRIO_MAX Max message priority (mq_send) - * - * Required for POSIX semaphores - * - * _POSIX_SEM_NSEMS_MAX Max number of open semaphores per task - * _POSIX_SEM_VALUE_MAX Max value a semaphore may have - */ - -#define _POSIX_ARG_MAX 4096 -#define _POSIX_CHILD_MAX 6 -#define _POSIX_LINK_MAX 8 -#define _POSIX_MAX_CANON 255 -#define _POSIX_MAX_INPUT 255 -#define _POSIX_NAME_MAX CONFIG_NAME_MAX -#define _POSIX_NGROUPS_MAX 0 -#define _POSIX_OPEN_MAX CONFIG_NFILE_DESCRIPTORS -#define _POSIX_PATH_MAX CONFIG_PATH_MAX -#define _POSIX_PIPE_BUF 512 -#define _POSIX_SSIZE_MAX INT_MAX -#define _POSIX_STREAM_MAX CONFIG_NFILE_STREAMS -#define _POSIX_TZNAME_MAX 3 - -/* Requred for sigqueue */ - -#define _POSIX_RTSIG_MAX 31 -#define _POSIX_SIGQUEUE_MAX 32 - -/* Required for POSIX timers. - * - * _POSIX_DELAYTIMER_MAX is the number of timer expiration overruns. - * - * _POSIX_TIMER_MAX is the per-process number of timers. - * - * _POSIX_CLOCKRES_MIN is the resolution of the CLOCK_REALTIME clock in nanoseconds. - * CLOCK_REALTIME is controlled by the NuttX system time. The default value is the - * system timer which has a resolution of 10 milliseconds. This default setting can - * be overridden by defining the clock interval in milliseconds as CONFIG_MSEC_PER_TICK - * in the board configuration file. - */ - -#define _POSIX_DELAYTIMER_MAX 32 -#define _POSIX_TIMER_MAX 32 - -#ifdef CONFIG_MSEC_PER_TICK -# define _POSIX_CLOCKRES_MIN ((CONFIG_MSEC_PER_TICK)*1000000) -#else -# define _POSIX_CLOCKRES_MIN (10*1000000) -#endif - -/* Required for asynchronous I/O */ - -#define _POSIX_AIO_LISTIO_MAX 2 -#define _POSIX_AIO_MAX 1 - -/* Required for POSIX message passing */ - -#define _POSIX_MQ_OPEN_MAX 8 -#define _POSIX_MQ_PRIO_MAX UCHAR_MAX - -/* Required for POSIX semaphores */ - -#define _POSIX_SEM_NSEMS_MAX INT_MAX -#define _POSIX_SEM_VALUE_MAX 0x7fff - -/* Actual limits. These values may be increased from the POSIX minimum - * values above or made indeterminate - */ - -#define ARG_MAX _POSIX_ARG_MAX -#define CHILD_MAX _POSIX_CHILD_MAX -#define LINK_MAX _POSIX_LINK_MAX -#define MAX_CANON _POSIX_MAX_CANON -#define MAX_INPUT _POSIX_MAX_INPUT -#define NAME_MAX _POSIX_NAME_MAX -#define NGROUPS_MAX _POSIX_NGROUPS_MAX -#define OPEN_MAX _POSIX_OPEN_MAX -#define PATH_MAX _POSIX_PATH_MAX -#define PIPE_BUF _POSIX_PIPE_BUF -#define SSIZE_MAX _POSIX_SSIZE_MAX -#define STREAM_MAX _POSIX_STREAM_MAX -#define TZNAME_MAX _POSIX_TZNAME_MAX - -#define RTSIG_MAX _POSIX_RTSIG_MAX -#define SIGQUEUE_MAX _POSIX_SIGQUEUE_MAX - -#define DELAYTIMER_MAX _POSIX_DELAYTIMER_MAX -#define TIMER_MAX _POSIX_TIMER_MAX -#define CLOCKRES_MIN _POSIX_CLOCKRES_MIN - -/* Required for asynchronous I/O */ - -#define AIO_LISTIO_MAX _POSIX_AIO_LISTIO_MAX -#define AIO_MAX _POSIX_AIO_MAX - -/* Required for POSIX message passing */ - -#define MQ_OPEN_MAX _POSIX_MQ_OPEN_MAX -#define MQ_PRIO_MAX _POSIX_MQ_PRIO_MAX - -/* Required for POSIX semaphores */ - -#define SEM_NSEMS_MAX _POSIX_SEM_NSEMS_MAX -#define SEM_VALUE_MAX _POSIX_SEM_VALUE_MAX - -#endif /* __INCLUDE_LIMITS_H */ |