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#ifndef CYGONCE_ISO_UNISTD_H

#define CYGONCE_ISO_UNISTD_H

/*========================================================================

//

//      unistd.h

//

//      POSIX UNIX standard definitions

//

//========================================================================

//####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):     nickg

// Contributors:

// Date:          2000-06-01

// Purpose:       This file provides the macros, types and functions

//                required by POSIX 1003.1.

// Description:   Much of the real contents of this file get set from the

//                configuration (set by the implementation)

// Usage:         #include <unistd.h>

//

//####DESCRIPTIONEND####

//

//======================================================================

*/

/* CONFIGURATION */

#include <pkgconf/isoinfra.h>          /* Configuration header */

/* INCLUDES */

#include <sys/types.h>

/* This is the "standard" way to get NULL and size_t from stddef.h,

 * which is the canonical location of the definitions.

 */

#define __need_NULL

#define __need_size_t

#include <stddef.h>

#ifdef CYGINT_ISO_POSIX_TIMER_OPS

# ifdef CYGBLD_ISO_POSIX_TIMER_OPS_HEADER

#  include CYGBLD_ISO_POSIX_TIMER_OPS_HEADER

# else

#  ifdef __cplusplus

extern "C" {

#  endif

extern unsigned int

alarm( unsigned int /* seconds */ );

extern int

pause( void );

#  ifdef __cplusplus

}   /* extern "C" */

#  endif

# endif

#endif

#ifdef CYGINT_ISO_POSIX_SLEEP

# ifdef CYGBLD_ISO_POSIX_SLEEP_HEADER

#  include CYGBLD_ISO_POSIX_SLEEP_HEADER

# else

#  ifdef __cplusplus

extern "C" {

#  endif

unsigned int

sleep( unsigned int /* seconds */ );

#  ifdef __cplusplus

}   /* extern "C" */

#  endif

# endif

#endif

/* ------------------------------------------------------------------- */

/* FIXME: The below was copied in verbatim by Nick, but needs to be grouped

   by functionality and linked with interfaces as with everything else

*/

/* CONSTANTS */

/* Configuration constants */

#define _POSIX_VERSION          199506L

/* constants for access() */

#define R_OK    1

#define W_OK    2

#define X_OK    4

#define F_OK    8

/* constants for lseek */

#ifndef SEEK_SET

#define SEEK_SET        0

#define SEEK_CUR        1

#define SEEK_END        2

#endif 

#define STDIN_FILENO    0

#define STDOUT_FILENO   1

#define STDERR_FILENO   2

/* Variable names for sysconf()                         */

#define _SC_AIO_LISTIO_MAX               1

#define _SC_AIO_MAX                      2

#define _SC_AIO_PRIO_DELTA_MAX           3

#define _SC_ARG_MAX                      4

#define _SC_ASYNCHRONOUS_IO              5

#define _SC_CHILD_MAX                    6

#define _SC_CLK_TCK                      7

#define _SC_DELAYTIMER_MAX               8

#define _SC_FSYNC                        9

#define _SC_GETGR_R_SIZE_MAX            10

#define _SC_GETPW_R_SIZE_MAX            11

#define _SC_JOB_CONTROL                 12

#define _SC_LOGIN_NAME_MAX              13

#define _SC_MAPPED_FILES                14

#define _SC_MEMLOCK                     15

#define _SC_MEMLOCK_RANGE               16

#define _SC_MEMORY_PROTECTION           17

#define _SC_MESSAGE_PASSING             18

#define _SC_MQ_OPEN_MAX                 19

#define _SC_MQ_PRIO_MAX                 20

#define _SC_NGROUPS_MAX                 21

#define _SC_OPEN_MAX                    22

#define _SC_PAGESIZE                    23

#define _SC_PRIORITIZED_IO              24

#define _SC_PRIORITY_SCHEDULING         25

#define _SC_REALTIME_SIGNALS            26

#define _SC_RTSIG_MAX                   27

#define _SC_SAVED_IDS                   28

#define _SC_SEMAPHORES                  29

#define _SC_SEM_NSEMS_MAX               30

#define _SC_SEM_VALUE_MAX               31

#define _SC_SHARED_MEMORY_OBJECTS       32

#define _SC_SIGQUEUE_MAX                33

#define _SC_STREAM_MAX                  34

#define _SC_SYNCHRONIZED_IO             35

#define _SC_THREADS                     36

#define _SC_THREAD_ATTR_STACKADDR       37

#define _SC_THREAD_ATTR_STACKSIZE       38

#define _SC_THREAD_DESTRUCTOR_ITERATIONS 39

#define _SC_THREAD_KEYS_MAX             40

#define _SC_THREAD_PRIO_INHERIT         41

#define _SC_THREAD_PRIO_PROTECT         42

#define _SC_THREAD_PRIORITY_SCHEDULING  43

#define _SC_THREAD_PROCESS_SHARED       44

#define _SC_THREAD_SAFE_FUNCTIONS       45

#define _SC_THREAD_STACK_MIN            46

#define _SC_THREAD_THREADS_MAX          47

#define _SC_TIMERS                      48

#define _SC_TIMER_MAX                   49

#define _SC_TTY_NAME_MAX                50

#define _SC_TZNAME_MAX                  51

#define _SC_VERSION                     52

/* Variable names for pathconf()                        */

#define _PC_ASYNC_IO                     1

#define _PC_CHOWN_RESTRICTED             2

#define _PC_LINK_MAX                     3

#define _PC_MAX_CANON                    4

#define _PC_MAX_INPUT                    5

#define _PC_NAME_MAX                     6

#define _PC_NO_TRUNC                     7

#define _PC_PATH_MAX                     8

#define _PC_PIPE_BUF                     9

#define _PC_PRIO_IO                     10

#define _PC_SYNC_IO                     11

#define _PC_VDISABLE                    12

/* Standard function prototypes */

#ifdef __cplusplus

extern "C" {

#endif

extern int      link(const char *path1, const char *path2);

extern int      unlink(const char *path);

extern int      rmdir(const char *path);

extern int      rename(const char *old_name, const char *new_name);

extern int      access(const char *path, int amode);

extern int      chown(const char *path, uid_t owner, uid_t group);

extern long     pathconf(const char *path, int name);

extern long     fpathconf(int fd, int name);

extern int      pipe(int fildes[2]);

extern int      dup(int fd);

extern int      dup2(int fd,int fd2);

extern int      close(int fd);

extern ssize_t  read(int fd, void *buf, size_t nbyte);

extern ssize_t  write(int fd, const void *buf, size_t nbyte);

extern off_t    lseek(int fd, off_t offset, int whence);

extern int      fsync( int fd );

extern int      ftruncate(int fd, off_t length);

extern int      chdir(const char *path);

extern char     *getcwd(char *buf, size_t size);

extern pid_t    getpid(void);

extern pid_t    getppid(void);

extern uid_t    getuid(void);

extern uid_t    geteuid(void);

extern uid_t    getgid(void);

extern uid_t    getegid(void);

extern int      setuid(uid_t uid);

extern int      setgid(uid_t uid);

extern int      getgroups(int setsize, uid_t *list);

extern char     *getlogin(void);

extern char     *cuserid(char *s);

extern pid_t    getpgrp(void);

extern pid_t    setsid(void);

extern int      setpgid(pid_t pid, pid_t pgid);

extern char     *getenv(const char *name);

extern char     *ctermid(char *s);

extern char     *ttyname(int fd);

extern int      isatty(int fd);

extern long     sysconf(int name);

extern int      vfork(void);

extern int      execl(char *path,...);

extern int      execv(char *path,char **argv);

extern int      execle(char *path,...);

extern int      execlp(char *file,...);

extern int      execvp(char *file, char **argv);

extern int      execve(char *name, char **argv, char **envv);

extern void     _exit(int code);

#ifdef __cplusplus

}   /* extern "C" */

#endif

#endif /* CYGONCE_ISO_UNISTD_H multiple inclusion protection */

/* EOF unistd.h */