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/* limits.h
*
* This file lists the minimums for the limits set by each of
* the POSIX features subsets.
*
* XXX: Careful attention needs to be paid to section 2.8 in 1003.1b-1993
* to segregrate the variables below based on their "class" according
* to our implementation. We also need to set the Run-Time Invariant
* and other related values.
*
* $Id$
*/
#include_next <limits.h>
#ifndef __POSIX_LIMITS_h
#define __POSIX_LIMITS_h
/* really only to get min stack size from <rtems/score/cpu.h> */
#include <rtems/system.h>
/****************************************************************************
****************************************************************************
* *
* P1003.1b-1993 defines the constants below this comment. *
* *
****************************************************************************
****************************************************************************/
#define _POSIX_AIO_LISTIO_MAX 2
#define _POSIX_AIO_MAX 1
#define _POSIX_ARG_MAX 4096
#define _POSIX_CHILD_MAX 6
#define _POSIX_DELAYTIMER_MAX 32
#define _POSIX_LINK_MAX 8
#define _POSIX_MAX_CANON 255
#define _POSIX_MAX_INPUT 255
#define _POSIX_MQ_OPEN_MAX 8
#define _POSIX_MQ_PRIO_MAX 32
#define _POSIX_NAME_MAX 14
#define _POSIX_NGROUPS_MAX 0
#define _POSIX_OPEN_MAX 16
#define _POSIX_PATH_MAX 255
#define _POSIX_PIPE_BUF 512
#define _POSIX_RTSIG_MAX 8
#define _POSIX_SEM_NSEMS_MAX 256
#define _POSIX_SEM_VALUE_MAX 32767
#define _POSIX_SIGQUEUE_MAX 32
#define _POSIX_SSIZE_MAX 32767
#define _POSIX_STREAM_MAX 8
#define _POSIX_TIMER_MAX 32
#define _POSIX_TZNAME_MAX 3
/*
* Definitions of the following may be omitted if the value is >= stated
* minimum but is indeterminate.
*/
#define AIO_LISTIO_MAX 2
#define AIO_MAX 1
#define AIO_PRIO_DELTA_MAX 0
#define ARG_MAX 4096
#define CHILD_MAX 6
#define DELAYTIMER_MAX 32
#define MQ_OPEN_MAX 8
#define MQ_PRIO_MAX 32
#define OPEN_MAX 16
#define PAGESIZE 1
#define RTSIG_MAX 8
#define SEM_NSEMS_MAX 256
#define SEM_VALUE_MAX 32767
#define SIGQUEUE_MAX 32
#define STREAM_MAX 8
#define TIMER_MAX 32
#define TZNAME_MAX 3
/*
* Pathname Variables
*/
#define LINK_MAX 8
#define MAX_CANON 255
#define MAX_INPUT 255
#define NAME_MAX 14
#define PATH_MAX 255
#define PIPE_BUF 512
/*
* Invariant values
*/
#define SSIZE_MAX 32767
/*
* Maximum Values
*/
#define _POSIX_CLOCKRES_MIN 0 /* in nanoseconds */
/****************************************************************************
****************************************************************************
* *
* P1003.1c/D10 defines the constants below this comment. *
*
* XXX: doc seems to have printing problems in this table :(
* *
****************************************************************************
****************************************************************************/
#define _POSIX_LOGIN_NAME_MAX 9
#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
#define _POSIX_THREAD_KEYS_MAX 28
#define _POSIX_THREAD_THREADS_MAX 64
#define _POSIX_TTY_NAME_MAX 9
/*
* Definitions of the following may be omitted if the value is >= stated
* minimum but is indeterminate.
*/
#define LOGIN_NAME_MAX _POSIX_LOGIN_NAME_MAX
#define TTY_NAME_MAX _POSIX_TTY_NAME_MAX
#define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS
#define PTHREAD_STACK_MIN CPU_STACK_MINIMUM_SIZE
/*
* The maximum number of keys (PTHREAD_KEYS_MAX) and threads
* (PTHREAD_THREADS_MAX) are configurable and may exceed the minimum.
*
#define PTHREAD_KEYS_MAX _POSIX_THREAD_KEYS_MAX
#define PTHREAD_THREADS_MAX _POSIX_THREAD_THREADS_MAX
*/
/****************************************************************************
****************************************************************************
* *
* P1003.4b/D8 defines the constants below this comment. *
* *
****************************************************************************
****************************************************************************/
#define _POSIX_INTERRUPT_OVERRUN_MAX 32
/*
* Definitions of the following may be omitted if the value is >= stated
* minimum but is indeterminate.
*/
#define INTERRUPT_OVERRUN_MAX 32
/*
* Pathname Variables
*/
#define MIN_ALLOC_SIZE
#define REC_MIN_XFER_SIZE
#define REC_MAX_XFER_SIZE
#define REC_INCR_XFER_SIZE
#define REC_XFER_ALIGN
#define MAX_ATOMIC_SIZE
#endif
/* end of include file */
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