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    /or1k/trunk/newlib-1.10.0/newlib/libc/sys/rtems/sys
    from Rev 1010 to Rev 1765
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  •

Rev 1010 → Rev 1765

/param.h
0,0 → 1,231
/*-
* Copyright (c) 1982, 1986, 1989, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)param.h 8.3 (Berkeley) 4/4/95
* $Id: param.h,v 1.1 2002-08-23 22:37:59 ivang Exp $
*/
 
#ifndef _SYS_PARAM_H_
#define _SYS_PARAM_H_
 
#include <unistd.h>
 
#define BSD 199506 /* System version (year & month). */
#define BSD4_3 1
#define BSD4_4 1
 
#ifndef NULL
#define NULL 0
#endif
 
#ifndef LOCORE
#include <sys/types.h>
#endif
 
/*
* Machine-independent constants (some used in following include files).
* Redefined constants are from POSIX 1003.1 limits file.
*
* MAXCOMLEN should be >= sizeof(ac_comm) (see <acct.h>)
* MAXLOGNAME should be >= UT_NAMESIZE (see <utmp.h>)
*/
#include <sys/syslimits.h>
 
#define MAXCOMLEN 16 /* max command name remembered */
#define MAXINTERP 32 /* max interpreter file name length */
#define MAXLOGNAME 12 /* max login name length */
#define MAXUPRC CHILD_MAX /* max simultaneous processes */
#define NCARGS ARG_MAX /* max bytes for an exec function */
#define NGROUPS NGROUPS_MAX /* max number groups */
#define NOFILE OPEN_MAX /* max open files per process */
#define NOGROUP 65535 /* marker for empty group set member */
#define MAXHOSTNAMELEN 256 /* max hostname size */
 
/* More types and definitions used throughout the kernel. */
#ifdef KERNEL
#include <sys/cdefs.h>
#include <sys/errno.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/ucred.h>
#include <sys/uio.h>
#include <sys/rtprio.h>
 
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE 1
#endif
#endif
 
/* Signals. */
#include <sys/signal.h>
 
/* Machine type dependent parameters. */
#include <machine/param.h>
#include <machine/limits.h>
 
/*
* Priorities. Note that with 32 run queues, differences less than 4 are
* insignificant.
*/
#define PSWP 0
#define PVM 4
#define PINOD 8
#define PRIBIO 16
#define PVFS 20
#define PZERO 22 /* No longer magic, shouldn't be here. XXX */
#define PSOCK 24
#define PWAIT 32
#define PLOCK 36
#define PPAUSE 40
#define PUSER 50
#define MAXPRI 127 /* Priorities range from 0 through MAXPRI. */
 
#define PRIMASK 0x0ff
#define PCATCH 0x100 /* OR'd with pri for tsleep to check signals */
 
#define NZERO 0 /* default "nice" */
 
#define NBPW sizeof(int) /* number of bytes per word (integer) */
 
#define CMASK 022 /* default file mask: S_IWGRP|S_IWOTH */
#define NODEV (dev_t)(-1) /* non-existent device */
 
/*
* Clustering of hardware pages on machines with ridiculously small
* page sizes is done here. The paging subsystem deals with units of
* CLSIZE pte's describing PAGE_SIZE (from machine/machparam.h) pages each.
*/
#if 0
#define CLBYTES (CLSIZE*PAGE_SIZE)
#endif
 
#define CBLOCK 128 /* Clist block size, must be a power of 2. */
#define CBQSIZE (CBLOCK/NBBY) /* Quote bytes/cblock - can do better. */
/* Data chars/clist. */
#define CBSIZE (CBLOCK - sizeof(struct cblock *) - CBQSIZE)
#define CROUND (CBLOCK - 1) /* Clist rounding. */
 
/*
* File system parameters and macros.
*
* The file system is made out of blocks of at most MAXBSIZE units, with
* smaller units (fragments) only in the last direct block. MAXBSIZE
* primarily determines the size of buffers in the buffer pool. It may be
* made larger without any effect on existing file systems; however making
* it smaller make make some file systems unmountable. Also, MAXBSIZE
* must be less than MAXPHYS!!! DFLTBSIZE is the average amount of
* memory allocated by vfs_bio per nbuf. BKVASIZE is the average amount
* of kernel virtual space allocated per nbuf. BKVASIZE should be >=
* DFLTBSIZE. If it is significantly bigger than DFLTBSIZE, then
* kva fragmentation causes fewer performance problems.
*/
#define MAXBSIZE 65536
#define BKVASIZE 8192
#define DFLTBSIZE 4096
#define MAXFRAG 8
 
/*
* MAXPATHLEN defines the longest permissible path length after expanding
* symbolic links. It is used to allocate a temporary buffer from the buffer
* pool in which to do the name expansion, hence should be a power of two,
* and must be less than or equal to MAXBSIZE. MAXSYMLINKS defines the
* maximum number of symbolic links that may be expanded in a path name.
* It should be set high enough to allow all legitimate uses, but halt
* infinite loops reasonably quickly.
*/
#if !defined(__rtems__)
#define MAXPATHLEN PATH_MAX
#endif
#define MAXSYMLINKS 32
 
/* Bit map related macros. */
#define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
#define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
#define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
 
/* Macros for counting and rounding. */
#ifndef howmany
#define howmany(x, y) (((x)+((y)-1))/(y))
#endif
#define rounddown(x, y) (((x)/(y))*(y))
#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* to any y */
#define roundup2(x, y) (((x)+((y)-1))&(~((y)-1))) /* if y is powers of two */
#define powerof2(x) ((((x)-1)&(x))==0)
 
/* Macros for min/max. */
#ifndef KERNEL
#define MIN(a,b) (((a)<(b))?(a):(b))
#define MAX(a,b) (((a)>(b))?(a):(b))
#endif
 
/*
* Constants for setting the parameters of the kernel memory allocator.
*
* 2 ** MINBUCKET is the smallest unit of memory that will be
* allocated. It must be at least large enough to hold a pointer.
*
* Units of memory less or equal to MAXALLOCSAVE will permanently
* allocate physical memory; requests for these size pieces of
* memory are quite fast. Allocations greater than MAXALLOCSAVE must
* always allocate and free physical memory; requests for these
* size allocations should be done infrequently as they will be slow.
*
* Constraints: PAGE_SIZE <= MAXALLOCSAVE <= 2 ** (MINBUCKET + 14), and
* MAXALLOCSIZE must be a power of two.
*/
#define MINBUCKET 4 /* 4 => min allocation of 16 bytes */
#define MAXALLOCSAVE (2 * PAGE_SIZE)
 
/*
* Scale factor for scaled integers used to count %cpu time and load avgs.
*
* The number of CPU `tick's that map to a unique `%age' can be expressed
* by the formula (1 / (2 ^ (FSHIFT - 11))). The maximum load average that
* can be calculated (assuming 32 bits) can be closely approximated using
* the formula (2 ^ (2 * (16 - FSHIFT))) for (FSHIFT < 15).
*
* For the scheduler to maintain a 1:1 mapping of CPU `tick' to `%age',
* FSHIFT must be at least 11; this gives us a maximum load avg of ~1024.
*/
#define FSHIFT 11 /* bits to right of fixed binary point */
#define FSCALE (1<<FSHIFT)
 
#endif /* _SYS_PARAM_H_ */
/syslimits.h
0,0 → 1,85
/*
* Copyright (c) 1988, 1993
* The Regents of the University of California. All rights reserved.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
*
* @(#)syslimits.h 8.1 (Berkeley) 6/2/93
* $Id: syslimits.h,v 1.1 2002-08-23 22:37:59 ivang Exp $
*/
 
#ifndef _SYS_SYSLIMITS_H_
#define _SYS_SYSLIMITS_H_
 
#if !defined(__rtems__)
#define ARG_MAX 65536 /* max bytes for an exec function */
#endif
 
#if !defined(__rtems__)
#ifndef CHILD_MAX
#define CHILD_MAX 40 /* max simultaneous processes */
#endif
#endif
 
#if !defined(__rtems__)
#define LINK_MAX 32767 /* max file link count */
#endif
 
#define MAX_CANON 255 /* max bytes in term canon input line */
 
#define MAX_INPUT 255 /* max bytes in terminal input */
 
#if !defined(__rtems__)
#define NAME_MAX 255 /* max bytes in a file name */
#endif
 
#define NGROUPS_MAX 16 /* max supplemental group id's */
 
#if !defined(__rtems__)
#ifndef OPEN_MAX
#define OPEN_MAX 64 /* max open files per process */
#endif
#endif
 
#if !defined(__rtems__)
#define PATH_MAX 1024 /* max bytes in pathname */
#endif
 
#define PIPE_BUF 512 /* max bytes for atomic pipe writes */
 
#define BC_BASE_MAX 99 /* max ibase/obase values in bc(1) */
#define BC_DIM_MAX 2048 /* max array elements in bc(1) */
#define BC_SCALE_MAX 99 /* max scale value in bc(1) */
#define BC_STRING_MAX 1000 /* max const string length in bc(1) */
#define COLL_WEIGHTS_MAX 0 /* max weights for order keyword */
#define EXPR_NEST_MAX 32 /* max expressions nested in expr(1) */
#define LINE_MAX 2048 /* max bytes in an input line */
#define RE_DUP_MAX 255 /* max RE's in interval notation */
 
#endif
/utime.h
0,0 → 1,32
/*
* $Id: utime.h,v 1.1 2002-08-23 22:37:59 ivang Exp $
*/
 
#ifndef __UTIME_h__
#define __UTIME_h__
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
* POSIX 1003.1b 5.6.6 Set File Access and Modification Times
*/
 
struct utimbuf {
time_t actime; /* Access time */
time_t modtime; /* Modification time */
};
 
/* Functions */
 
int utime(
const char *path,
const struct utimbuf *times
);
 
#ifdef __cplusplus
};
#endif
 
#endif /* _SYS_UTIME_H */
/dirent.h
0,0 → 1,52
#ifndef _SYS_DIRENT_H
# define _SYS_DIRENT_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*
* This file was written to be compatible with the BSD directory
* routines, so it looks like it. But it was written from scratch.
* Sean Eric Fagan, sef@Kithrup.COM
*
* Copied to RTEMS configuration without modification.
*/
 
typedef struct _dirdesc {
int dd_fd;
long dd_loc;
long dd_size;
char *dd_buf;
int dd_len;
long dd_seek;
} DIR;
 
# define __dirfd(dp) ((dp)->dd_fd)
 
DIR *opendir(const char *);
struct dirent *readdir(DIR *);
void rewinddir(DIR *);
int closedir(DIR *);
void seekdir(DIR *dir, long loc);
long telldir(DIR *dir);
 
#include <sys/types.h>
 
#include <limits.h>
 
struct dirent {
long d_ino;
off_t d_off;
unsigned short d_reclen;
/* we need better syntax for variable-sized arrays */
unsigned short d_namlen;
char d_name[NAME_MAX + 1];
};
 
#ifdef __cplusplus
}
#endif
 
 
#endif

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