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[/] [openrisc/] [trunk/] [gnu-stable/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [rtems/] [include/] [limits.h] - Rev 859
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/* * 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: limits.h 207 2010-07-19 17:43:24Z jeremybennett $ */ #ifndef _GCC_LIMITS_H_ /* if we have not seen gcc's limits.h yet */ #include_next <limits.h> #endif #include <sys/syslimits.h> #ifndef __POSIX_LIMITS_h #define __POSIX_LIMITS_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 255 #define _POSIX_NGROUPS_MAX 0 #define _POSIX_OPEN_MAX 16 #define _POSIX_PATH_MAX 255 #define _POSIX_PIPE_BUF 512 /* The maximum number of repeated occurrences of a regular expression * * permitted when using the interval notation `\{M,N\}'. */ #define _POSIX2_RE_DUP_MAX 255 #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 DELAYTIMER_MAX 32 #define MQ_OPEN_MAX 8 #define MQ_PRIO_MAX 32 #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 /* * 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. * * NOTE: LOGIN_NAME_MAX is named LOGNAME_MAX under Solaris 2.x. Perhaps * the draft specification will be changing. jrs 05/24/96 */ #define LOGIN_NAME_MAX _POSIX_LOGIN_NAME_MAX #define TTY_NAME_MAX _POSIX_TTY_NAME_MAX #define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS /* * RTEMS is smart enough to give us the minimum stack size if we ask * for too little. Because the real RTEMS limit for this is cpu dependent * AND rtems header files are not installed yet, we cannot use the cpu * dependent constant CPU_STACK_MINIMUM_SIZE. Moreover, we do not want * to duplicate that information here so we will just let RTEMS magically * give us its minimum stack size. * * NOTE: The other alternative is to have this be a macro for a * routine in RTEMS which returns the constant. */ #define PTHREAD_STACK_MIN 0 /* * 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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