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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [isoinfra/] [v2_0/] [include/] [limits.h] - Rev 582
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#ifndef CYGONCE_ISO_LIMITS_H #define CYGONCE_ISO_LIMITS_H /*======================================================================== // // limits.h // // ISO standard limits // //======================================================================== //####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. // Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. // // eCos is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free // Software Foundation; either version 2 or (at your option) any later version. // // eCos is distributed in the hope that it will be useful, but WITHOUT ANY // WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License along // with eCos; if not, write to the Free Software Foundation, Inc., // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. // // As a special exception, if other files instantiate templates or use macros // or inline functions from this file, or you compile this file and link it // with other works to produce a work based on this file, this file does not // by itself cause the resulting work to be covered by the GNU General Public // License. However the source code for this file must still be made available // in accordance with section (3) of the GNU General Public License. // // This exception does not invalidate any other reasons why a work based on // this file might be covered by the GNU General Public License. // // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. // at http://sources.redhat.com/ecos/ecos-license/ // ------------------------------------------- //####ECOSGPLCOPYRIGHTEND#### //======================================================================== //#####DESCRIPTIONBEGIN#### // // Author(s): jlarmour // Contributors: // Date: 2000-04-14 // Purpose: This file provides the limits properties // required by ISO C and POSIX 1003.1 // Description: The real contents of this file get set from the // configuration (set by the implementation), as well as // being partially provided by the compiler. // // Usage: #include <limits.h> // //####DESCRIPTIONEND#### // //====================================================================== */ /* CONFIGURATION */ #include <pkgconf/isoinfra.h> /* Configuration header */ /* DEFINES */ /*----------------------------------------------------------------------------- * Minimum values from POSIX.1 tables 2-3, 2-7 and 2-7a. * These are the standard-mandated minimum values. * These values do not vary with the implementation - they may * simply be defined */ /* Minimum number of operations in one list I/O call. */ #define _POSIX_AIO_LISTIO_MAX 2 /* Minimal number of outstanding asynchronous I/O operations. */ #define _POSIX_AIO_MAX 1 /* Maximum length of arguments to `execve', including environment. */ #define _POSIX_ARG_MAX 4096 /* Maximum simultaneous processes per real user ID. */ #define _POSIX_CHILD_MAX 6 /* Minimal number of timer expiration overruns. */ #define _POSIX_DELAYTIMER_MAX 32 /* Maximum link count of a file. */ #define _POSIX_LINK_MAX 8 /* Size of storage required for a login name */ #define _POSIX_LOGIN_NAME_MAX 9 /* Number of bytes in a terminal canonical input queue. */ #define _POSIX_MAX_CANON 255 /* Number of bytes for which space will be available in a terminal input queue. */ #define _POSIX_MAX_INPUT 255 /* Maximum number of message queues open for a process. */ #define _POSIX_MQ_OPEN_MAX 8 /* Maximum number of supported message priorities. */ #define _POSIX_MQ_PRIO_MAX 32 /* Number of bytes in a filename. */ #define _POSIX_NAME_MAX 14 /* Number of simultaneous supplementary group IDs per process. */ #define _POSIX_NGROUPS_MAX 0 /* Number of files one process can have open at once. */ #define _POSIX_OPEN_MAX 16 /* Number of bytes in a pathname. */ #define _POSIX_PATH_MAX 255 /* Number of bytes than can be written atomically to a pipe. */ #define _POSIX_PIPE_BUF 512 /* Minimal number of realtime signals reserved for the application. */ #define _POSIX_RTSIG_MAX 8 /* Number of semaphores a process can have. */ #define _POSIX_SEM_NSEMS_MAX 256 /* Maximal value of a semaphore. */ #define _POSIX_SEM_VALUE_MAX 32767 /* Number of pending realtime signals. */ #define _POSIX_SIGQUEUE_MAX 32 /* Largest value of a `ssize_t'. */ #define _POSIX_SSIZE_MAX 32767 /* Number of streams a process can have open at once. */ #define _POSIX_STREAM_MAX 8 /* Controlling the iterations of destructors for thread-specific data. */ #define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4 /* The number of data keys per process. */ #define _POSIX_THREAD_KEYS_MAX 128 /* The number of threads per process. */ #define _POSIX_THREAD_THREADS_MAX 64 /* Maximum number of characters in a tty name. */ #define _POSIX_TTY_NAME_MAX 9 /* Number of timer for a process. */ #define _POSIX_TIMER_MAX 32 /* Maximum length of a timezone name (element of `tzname'). */ #define _POSIX_TZNAME_MAX 3 /* Maximum clock resolution in nanoseconds. */ #define _POSIX_CLOCKRES_MIN 20000000 #ifdef CYGBLD_ISO_SSIZET_HEADER # include CYGBLD_ISO_SSIZET_HEADER #else # ifndef __STRICT_ANSI__ # define SSIZE_MAX LONG_MAX # endif #endif /* INCLUDES */ #ifdef CYGBLD_ISO_OPEN_MAX_HEADER # include CYGBLD_ISO_OPEN_MAX_HEADER #else # ifndef __STRICT_ANSI__ # define OPEN_MAX _POSIX_OPEN_MAX # endif #endif #ifdef CYGBLD_ISO_LINK_MAX_HEADER # include CYGBLD_ISO_LINK_MAX_HEADER #else # ifndef __STRICT_ANSI__ # define LINK_MAX _POSIX_LINK_MAX # endif #endif #ifdef CYGBLD_ISO_NAME_MAX_HEADER # include CYGBLD_ISO_NAME_MAX_HEADER #else # ifndef __STRICT_ANSI__ # define NAME_MAX _POSIX_NAME_MAX # endif #endif #ifdef CYGBLD_ISO_PATH_MAX_HEADER # include CYGBLD_ISO_PATH_MAX_HEADER #else # ifndef __STRICT_ANSI__ # define PATH_MAX _POSIX_PATH_MAX # endif #endif #if CYGINT_ISO_POSIX_LIMITS # ifdef CYGBLD_ISO_POSIX_LIMITS_HEADER # include CYGBLD_ISO_POSIX_LIMITS_HEADER # endif #endif #endif /* CYGONCE_ISO_LIMITS_H multiple inclusion protection */ /* Yes it must be ended here! */ /* When using a crosscompiler targeting linux, the next limits.h file in the include sequence may be the glibc header - which breaks our world. So skip it by defining _LIBC_LIMITS_H_ */ #define _LIBC_LIMITS_H_ #include_next <limits.h> /* EOF limits.h */
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