unistd.h

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/*
 * Copyright (c) 2018 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef ZEPHYR_INCLUDE_POSIX_UNISTD_H_
#define ZEPHYR_INCLUDE_POSIX_UNISTD_H_
 
#include "posix_types.h"
#include <zephyr/posix/sys/stat.h>
#ifdef CONFIG_NETWORKING
/* For zsock_gethostname() */
#include <zephyr/net/socket.h>
#include <zephyr/net/hostname.h>
#endif
 
#ifdef CONFIG_POSIX_API
#include <zephyr/fs/fs.h>
#endif
 
#ifdef CONFIG_POSIX_SYSCONF
#include <zephyr/posix/signal.h>
#endif
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* Version test macros */
#define _POSIX_VERSION 200809L
#define _POSIX2_VERSION (-1L)
#define _XOPEN_VERSION (-1L)
 
/* Internal helper macro to set constant if required Kconfig symbol is enabled */
#define Z_SC_VAL_IFDEF(_def, _val) COND_CODE_1(_def, (_val), (-1L))
 
/* Constants for Opitions and Option Groups */
#define _POSIX_ADVISORY_INFO              (-1L)
#define _POSIX_ASYNCHRONOUS_IO            (-1L)
#define _POSIX_BARRIERS                   Z_SC_VAL_IFDEF(CONFIG_PTHREAD_IPC, _POSIX_VERSION)
#define _POSIX_CHOWN_RESTRICTED           (-1L)
#define _POSIX_CLOCK_SELECTION            Z_SC_VAL_IFDEF(CONFIG_POSIX_CLOCK, _POSIX_VERSION)
#define _POSIX_CPUTIME                    (-1L)
#define _POSIX_FSYNC                      (-1L)
#define _POSIX_IPV6                       Z_SC_VAL_IFDEF(CONFIG_NET_IPV6, _POSIX_VERSION)
#define _POSIX_JOB_CONTROL                (-1L)
#define _POSIX_MAPPED_FILES               _POSIX_VERSION
#define _POSIX_MEMLOCK                    (-1L)
#define _POSIX_MEMLOCK_RANGE              (-1L)
#define _POSIX_MEMORY_PROTECTION          (-1L)
#define _POSIX_MESSAGE_PASSING            Z_SC_VAL_IFDEF(CONFIG_POSIX_MQUEUE, _POSIX_VERSION)
#define _POSIX_MONOTONIC_CLOCK            Z_SC_VAL_IFDEF(CONFIG_POSIX_CLOCK, _POSIX_VERSION)
#define _POSIX_NO_TRUNC                   (-1L)
#define _POSIX_PRIORITIZED_IO             (-1L)
#define _POSIX_PRIORITY_SCHEDULING        (-1L)
#define _POSIX_RAW_SOCKETS                Z_SC_VAL_IFDEF(CONFIG_NET_SOCKETS_PACKET, _POSIX_VERSION)
#define _POSIX_READER_WRITER_LOCKS        Z_SC_VAL_IFDEF(CONFIG_PTHREAD_IPC, _POSIX_VERSION)
#define _POSIX_REALTIME_SIGNALS           (-1L)
#define _POSIX_REGEXP                     (-1L)
#define _POSIX_SAVED_IDS                  (-1L)
#define _POSIX_SEMAPHORES                 Z_SC_VAL_IFDEF(CONFIG_PTHREAD_IPC, _POSIX_VERSION)
#define _POSIX_SHARED_MEMORY_OBJECTS      (-1L)
#define _POSIX_SHELL                      (-1L)
#define _POSIX_SPAWN                      (-1L)
#define _POSIX_SPIN_LOCKS                 Z_SC_VAL_IFDEF(CONFIG_PTHREAD_SPINLOCK, _POSIX_VERSION)
#define _POSIX_SPORADIC_SERVER            (-1L)
#define _POSIX_SYNCHRONIZED_IO            (-1L)
#define _POSIX_THREAD_ATTR_STACKADDR      Z_SC_VAL_IFDEF(CONFIG_PTHREAD_IPC, _POSIX_VERSION)
#define _POSIX_THREAD_ATTR_STACKSIZE      Z_SC_VAL_IFDEF(CONFIG_PTHREAD_IPC, _POSIX_VERSION)
#define _POSIX_THREAD_CPUTIME             (-1L)
#define _POSIX_THREAD_PRIO_INHERIT        _POSIX_VERSION
#define _POSIX_THREAD_PRIO_PROTECT        (-1L)
#define _POSIX_THREAD_PRIORITY_SCHEDULING Z_SC_VAL_IFDEF(CONFIG_PTHREAD_IPC, _POSIX_VERSION)
#define _POSIX_THREAD_PROCESS_SHARED      (-1L)
#define _POSIX_THREAD_ROBUST_PRIO_INHERIT (-1L)
#define _POSIX_THREAD_ROBUST_PRIO_PROTECT (-1L)
#define _POSIX_THREAD_SAFE_FUNCTIONS      Z_SC_VAL_IFDEF(CONFIG_PTHREAD_IPC, _POSIX_VERSION)
#define _POSIX_THREAD_SPORADIC_SERVER     (-1L)
 
#ifndef _POSIX_THREADS
#define _POSIX_THREADS                    Z_SC_VAL_IFDEF(CONFIG_PTHREAD_IPC, _POSIX_VERSION)
#endif
 
#define _POSIX_TIMEOUTS                   Z_SC_VAL_IFDEF(CONFIG_POSIX_CLOCK, _POSIX_VERSION)
#define _POSIX_TIMERS                     Z_SC_VAL_IFDEF(CONFIG_POSIX_CLOCK, _POSIX_VERSION)
#define _POSIX_TRACE                      (-1L)
#define _POSIX_TRACE_EVENT_FILTER         (-1L)
#define _POSIX_TRACE_INHERIT              (-1L)
#define _POSIX_TRACE_LOG                  (-1L)
#define _POSIX_TYPED_MEMORY_OBJECTS       (-1L)
#define _POSIX_V6_ILP32_OFF32             (-1L)
#define _POSIX_V6_ILP32_OFFBIG            (-1L)
#define _POSIX_V6_LP64_OFF64              (-1L)
#define _POSIX_V6_LPBIG_OFFBIG            (-1L)
#define _POSIX_V7_ILP32_OFF32             (-1L)
#define _POSIX_V7_ILP32_OFFBIG            (-1L)
#define _POSIX_V7_LP64_OFF64              (-1L)
#define _POSIX_V7_LPBIG_OFFBIG            (-1L)
#define _POSIX2_C_BIND                    _POSIX_VERSION
#define _POSIX2_C_DEV                     (-1L)
#define _POSIX2_CHAR_TERM                 (-1L)
#define _POSIX2_FORT_DEV                  (-1L)
#define _POSIX2_FORT_RUN                  (-1L)
#define _POSIX2_LOCALEDEF                 (-1L)
#define _POSIX2_PBS                       (-1L)
#define _POSIX2_PBS_ACCOUNTING            (-1L)
#define _POSIX2_PBS_CHECKPOINT            (-1L)
#define _POSIX2_PBS_LOCATE                (-1L)
#define _POSIX2_PBS_MESSAGE               (-1L)
#define _POSIX2_PBS_TRACK                 (-1L)
#define _POSIX2_SW_DEV                    (-1L)
#define _POSIX2_UPE                       (-1L)
#define _XOPEN_CRYPT                      (-1L)
#define _XOPEN_ENH_I18N                   (-1L)
#define _XOPEN_REALTIME                   (-1L)
#define _XOPEN_REALTIME_THREADS           (-1L)
#define _XOPEN_SHM                        (-1L)
#define _XOPEN_STREAMS                    (-1L)
#define _XOPEN_UNIX                       (-1L)
#define _XOPEN_UUCP                       (-1L)
 
/* Maximum values */
#define _POSIX_CLOCKRES_MIN (20000000L)
 
/* Minimum values */
#define _POSIX_AIO_LISTIO_MAX               (2)
#define _POSIX_AIO_MAX                      (1)
#define _POSIX_ARG_MAX                      (4096)
#define _POSIX_CHILD_MAX                    (25)
#define _POSIX_DELAYTIMER_MAX               (32)
#define _POSIX_HOST_NAME_MAX                (255)
#define _POSIX_LINK_MAX                     (8)
#define _POSIX_LOGIN_NAME_MAX               (9)
#define _POSIX_MAX_CANON                    (255)
#define _POSIX_MAX_INPUT                    (255)
#define _POSIX_MQ_OPEN_MAX                  CONFIG_MSG_COUNT_MAX
#define _POSIX_MQ_PRIO_MAX                  (32)
#define _POSIX_NAME_MAX                     (14)
#define _POSIX_NGROUPS_MAX                  (8)
#define _POSIX_OPEN_MAX                     CONFIG_POSIX_MAX_FDS
#define _POSIX_PATH_MAX                     (256)
#define _POSIX_PIPE_BUF                     (512)
#define _POSIX_RE_DUP_MAX                   (255)
#define _POSIX_RTSIG_MAX                    CONFIG_POSIX_RTSIG_MAX
#define _POSIX_SEM_NSEMS_MAX                CONFIG_SEM_NAMELEN_MAX
#define _POSIX_SEM_VALUE_MAX                CONFIG_SEM_VALUE_MAX
#define _POSIX_SIGQUEUE_MAX                 (32)
#define _POSIX_SSIZE_MAX                    (32767)
#define _POSIX_SS_REPL_MAX                  (4)
#define _POSIX_STREAM_MAX                   (8)
#define _POSIX_SYMLINK_MAX                  (255)
#define _POSIX_SYMLOOP_MAX                  (8)
#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS (4)
#define _POSIX_THREAD_KEYS_MAX              (128)
#define _POSIX_THREAD_THREADS_MAX           (64)
#define _POSIX_TIMER_MAX                    (32)
#define _POSIX_TRACE_EVENT_NAME_MAX         (30)
#define _POSIX_TRACE_NAME_MAX               (8)
#define _POSIX_TRACE_SYS_MAX                (8)
#define _POSIX_TRACE_USER_EVENT_MAX         (32)
#define _POSIX_TTY_NAME_MAX                 (9)
#define _POSIX_TZNAME_MAX                   (6)
#define _POSIX2_BC_BASE_MAX                 (99)
#define _POSIX2_BC_DIM_MAX                  (2048)
#define _POSIX2_BC_SCALE_MAX                (99)
#define _POSIX2_BC_STRING_MAX               (1000)
#define _POSIX2_CHARCLASS_NAME_MAX          (14)
#define _POSIX2_COLL_WEIGHTS_MAX            (2)
#define _POSIX2_EXPR_NEST_MAX               (32)
#define _POSIX2_LINE_MAX                    (2048)
#define _XOPEN_IOV_MAX                      (16)
#define _XOPEN_NAME_MAX                     (255)
#define _XOPEN_PATH_MAX                     (1024)
 
/* Other invariant values */
#define NL_LANGMAX (14)
#define NL_MSGMAX  (32767)
#define NL_SETMAX  (255)
#define NL_TEXTMAX (_POSIX2_LINE_MAX)
#define NZERO      (20)
 
/* Runtime invariant values */
#define AIO_LISTIO_MAX                _POSIX_AIO_LISTIO_MAX
#define AIO_MAX                       _POSIX_AIO_MAX
#define AIO_PRIO_DELTA_MAX            (0)
#define DELAYTIMER_MAX                _POSIX_DELAYTIMER_MAX
#define HOST_NAME_MAX                 COND_CODE_1(CONFIG_NETWORKING,      \
                                                  (NET_HOSTNAME_MAX_LEN), \
                                                  (_POSIX_HOST_NAME_MAX))
#define LOGIN_NAME_MAX                _POSIX_LOGIN_NAME_MAX
#define MQ_OPEN_MAX                   _POSIX_MQ_OPEN_MAX
#define MQ_PRIO_MAX                   _POSIX_MQ_PRIO_MAX
 
#ifndef PAGE_SIZE
#define PAGE_SIZE                     BIT(CONFIG_POSIX_PAGE_SIZE_BITS)
#endif
 
#ifndef PAGESIZE
#define PAGESIZE                      PAGE_SIZE
#endif
 
#define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS
#define PTHREAD_KEYS_MAX              COND_CODE_1(CONFIG_PTHREAD_IPC,             \
                                                  (CONFIG_MAX_PTHREAD_KEY_COUNT), \
                                                  (_POSIX_THREAD_KEYS_MAX))
#define PTHREAD_THREADS_MAX           COND_CODE_1(CONFIG_PTHREAD_IPC,         \
                                                  (CONFIG_MAX_PTHREAD_COUNT), \
                                                  (0))
#define SEM_NSEMS_MAX                 _POSIX_SEM_NSEMS_MAX
#define SEM_VALUE_MAX                 CONFIG_SEM_VALUE_MAX
#define SIGQUEUE_MAX                  _POSIX_SIGQUEUE_MAX
#define STREAM_MAX                    _POSIX_STREAM_MAX
#define SYMLOOP_MAX                   _POSIX_SYMLOOP_MAX
#define TIMER_MAX                     CONFIG_MAX_TIMER_COUNT
#define TTY_NAME_MAX                  _POSIX_TTY_NAME_MAX
#define TZNAME_MAX                    _POSIX_TZNAME_MAX
 
/* Pathname variable values */
#define FILESIZEBITS             (32)
#define POSIX_ALLOC_SIZE_MIN     (256)
#define POSIX_REC_INCR_XFER_SIZE (1024)
#define POSIX_REC_MAX_XFER_SIZE  (32767)
#define POSIX_REC_MIN_XFER_SIZE  (1)
#define POSIX_REC_XFER_ALIGN     (4)
#define SYMLINK_MAX              _POSIX_SYMLINK_MAX
 
#ifdef CONFIG_POSIX_API
/* File related operations */
int close(int file);
ssize_t write(int file, const void *buffer, size_t count);
ssize_t read(int file, void *buffer, size_t count);
off_t lseek(int file, off_t offset, int whence);
 
/* File System related operations */
int rename(const char *old, const char *newp);
int unlink(const char *path);
int stat(const char *path, struct stat *buf);
int mkdir(const char *path, mode_t mode);
 
FUNC_NORETURN void _exit(int status);
 
#ifdef CONFIG_NETWORKING
static inline int gethostname(char *buf, size_t len)
{
        return zsock_gethostname(buf, len);
}
#endif /* CONFIG_NETWORKING */
 
#endif /* CONFIG_POSIX_API */
 
#ifdef CONFIG_GETOPT
int getopt(int argc, char *const argv[], const char *optstring);
extern char *optarg;
extern int opterr, optind, optopt;
#endif
 
pid_t getpid(void);
unsigned sleep(unsigned int seconds);
int usleep(useconds_t useconds);
 
#ifdef CONFIG_POSIX_SYSCONF
#define __z_posix_sysconf_SC_ADVISORY_INFO                _POSIX_ADVISORY_INFO
#define __z_posix_sysconf_SC_ASYNCHRONOUS_IO              _POSIX_ASYNCHRONOUS_IO
#define __z_posix_sysconf_SC_BARRIERS                     _POSIX_BARRIERS
#define __z_posix_sysconf_SC_CLOCK_SELECTION              _POSIX_CLOCK_SELECTION
#define __z_posix_sysconf_SC_CPUTIME                      _POSIX_CPUTIME
#define __z_posix_sysconf_SC_FSYNC                        _POSIX_FSYNC
#define __z_posix_sysconf_SC_IPV6                         _POSIX_IPV6
#define __z_posix_sysconf_SC_JOB_CONTROL                  _POSIX_JOB_CONTROL
#define __z_posix_sysconf_SC_MAPPED_FILE                  _POSIX_MAPPED_FILES
#define __z_posix_sysconf_SC_MEMLOCK                      _POSIX_MEMLOCK
#define __z_posix_sysconf_SC_MEMLOCK_RANGE                _POSIX_MEMLOCK_RANGE
#define __z_posix_sysconf_SC_MEMORY_PROTECTION            _POSIX_MEMORY_PROTECTION
#define __z_posix_sysconf_SC_MESSAGE_PASSING              _POSIX_MESSAGE_PASSING
#define __z_posix_sysconf_SC_MONOTONIC_CLOCK              _POSIX_MONOTONIC_CLOCK
#define __z_posix_sysconf_SC_PRIORITIZED_IO               _POSIX_PRIORITIZED_IO
#define __z_posix_sysconf_SC_PRIORITY_SCHEDULING          _POSIX_PRIORITY_SCHEDULING
#define __z_posix_sysconf_SC_RAW_SOCKETS                  _POSIX_RAW_SOCKETS
#define __z_posix_sysconf_SC_RE_DUP_MAX                   _POSIX_RE_DUP_MAX
#define __z_posix_sysconf_SC_READER_WRITER_LOCKS          _POSIX_READER_WRITER_LOCKS
#define __z_posix_sysconf_SC_REALTIME_SIGNALS             _POSIX_REALTIME_SIGNALS
#define __z_posix_sysconf_SC_REGEXP                       _POSIX_REGEXP
#define __z_posix_sysconf_SC_SAVED_IDS                    _POSIX_SAVED_IDS
#define __z_posix_sysconf_SC_SEMAPHORES                   _POSIX_SEMAPHORES
#define __z_posix_sysconf_SC_SHARED_MEMORY_OBJECTS        _POSIX_SHARED_MEMORY_OBJECTS
#define __z_posix_sysconf_SC_SHELL                        _POSIX_SHELL
#define __z_posix_sysconf_SC_SPAWN                        _POSIX_SPAWN
#define __z_posix_sysconf_SC_SPIN_LOCKS                   _POSIX_SPIN_LOCKS
#define __z_posix_sysconf_SC_SPORADIC_SERVER              _POSIX_SPORADIC_SERVER
#define __z_posix_sysconf_SC_SS_REPL_MAX                  _POSIX_SS_REPL_MAX
#define __z_posix_sysconf_SC_SYNCHRONIZED_IO              _POSIX_SYNCHRONIZED_IO
#define __z_posix_sysconf_SC_THREAD_ATTR_STACKADDR        _POSIX_THREAD_ATTR_STACKADDR
#define __z_posix_sysconf_SC_THREAD_ATTR_STACKSIZE        _POSIX_THREAD_ATTR_STACKSIZE
#define __z_posix_sysconf_SC_THREAD_CPUTIME               _POSIX_THREAD_CPUTIME
#define __z_posix_sysconf_SC_THREAD_PRIO_INHERIT          _POSIX_THREAD_PRIO_INHERIT
#define __z_posix_sysconf_SC_THREAD_PRIO_PROTECT          _POSIX_THREAD_PRIO_PROTECT
#define __z_posix_sysconf_SC_THREAD_PRIORITY_SCHEDULING   _POSIX_THREAD_PRIORITY_SCHEDULING
#define __z_posix_sysconf_SC_THREAD_PROCESS_SHARED        _POSIX_THREAD_PROCESS_SHARED
#define __z_posix_sysconf_SC_THREAD_ROBUST_PRIO_INHERIT   _POSIX_THREAD_ROBUST_PRIO_INHERIT
#define __z_posix_sysconf_SC_THREAD_ROBUST_PRIO_PROTECT   _POSIX_THREAD_ROBUST_PRIO_PROTECT
#define __z_posix_sysconf_SC_THREAD_SAFE_FUNCTIONS        _POSIX_THREAD_SAFE_FUNCTIONS
#define __z_posix_sysconf_SC_THREAD_SPORADIC_SERVER       _POSIX_THREAD_SPORADIC_SERVER
#define __z_posix_sysconf_SC_THREADS                      _POSIX_THREADS
#define __z_posix_sysconf_SC_TIMEOUTS                     _POSIX_TIMEOUTS
#define __z_posix_sysconf_SC_TIMERS                       _POSIX_TIMERS
#define __z_posix_sysconf_SC_TRACE                        _POSIX_TRACE
#define __z_posix_sysconf_SC_TRACE_EVENT_FILTER           _POSIX_TRACE_EVENT_FILTER
#define __z_posix_sysconf_SC_TRACE_EVENT_NAME_MAX         _POSIX_TRACE_EVENT_NAME_MAX
#define __z_posix_sysconf_SC_TRACE_INHERIT                _POSIX_TRACE_INHERIT
#define __z_posix_sysconf_SC_TRACE_LOG                    _POSIX_TRACE_LOG
#define __z_posix_sysconf_SC_TRACE_NAME_MAX               _POSIX_TRACE_NAME_MAX
#define __z_posix_sysconf_SC_TRACE_SYS_MAX                _POSIX_TRACE_SYS_MAX
#define __z_posix_sysconf_SC_TRACE_USER_EVENT_MAX         _POSIX_TRACE_USER_EVENT_MAX
#define __z_posix_sysconf_SC_TYPED_MEMORY_OBJECTS         _POSIX_TYPED_MEMORY_OBJECTS
#define __z_posix_sysconf_SC_VERSION                      _POSIX_VERSION
#define __z_posix_sysconf_SC_V7_ILP32_OFF32               _POSIX_V7_ILP32_OFF32
#define __z_posix_sysconf_SC_V7_ILP32_OFFBIG              _POSIX_V7_ILP32_OFFBIG
#define __z_posix_sysconf_SC_V7_LP64_OFF64                _POSIX_V7_LP64_OFF64
#define __z_posix_sysconf_SC_V7_LPBIG_OFFBIG              _POSIX_V7_LPBIG_OFFBIG
#define __z_posix_sysconf_SC_V6_ILP32_OFF32               _POSIX_V6_ILP32_OFF32
#define __z_posix_sysconf_SC_V6_ILP32_OFFBIG              _POSIX_V6_ILP32_OFFBIG
#define __z_posix_sysconf_SC_V6_LP64_OFF64                _POSIX_V6_LP64_OFF64
#define __z_posix_sysconf_SC_V6_LPBIG_OFFBIG              _POSIX_V6_LPBIG_OFFBIG
#define __z_posix_sysconf_SC_BC_BASE_MAX                  _POSIX2_BC_BASE_MAX
#define __z_posix_sysconf_SC_BC_DIM_MAX                   _POSIX2_BC_DIM_MAX
#define __z_posix_sysconf_SC_BC_SCALE_MAX                 _POSIX2_BC_SCALE_MAX
#define __z_posix_sysconf_SC_BC_STRING_MAX                _POSIX2_BC_STRING_MAX
#define __z_posix_sysconf_SC_2_C_BIND                     _POSIX2_C_BIND
#define __z_posix_sysconf_SC_2_C_DEV                      _POSIX2_C_DEV
#define __z_posix_sysconf_SC_2_CHAR_TERM                  _POSIX2_CHAR_TERM
#define __z_posix_sysconf_SC_COLL_WEIGHTS_MAX             _POSIX2_COLL_WEIGHTS_MAX
#define __z_posix_sysconf_SC_DELAYTIMER_MAX               _POSIX2_DELAYTIMER_MAX
#define __z_posix_sysconf_SC_EXPR_NEST_MAX                _POSIX2_EXPR_NEST_MAX
#define __z_posix_sysconf_SC_2_FORT_DEV                   _POSIX2_FORT_DEV
#define __z_posix_sysconf_SC_2_FORT_RUN                   _POSIX2_FORT_RUN
#define __z_posix_sysconf_SC_LINE_MAX                     _POSIX2_LINE_MAX
#define __z_posix_sysconf_SC_2_LOCALEDEF                  _POSIX2_LOCALEDEF
#define __z_posix_sysconf_SC_2_PBS                        _POSIX2_PBS
#define __z_posix_sysconf_SC_2_PBS_ACCOUNTING             _POSIX2_PBS_ACCOUNTING
#define __z_posix_sysconf_SC_2_PBS_CHECKPOINT             _POSIX2_PBS_CHECKPOINT
#define __z_posix_sysconf_SC_2_PBS_LOCATE                 _POSIX2_PBS_LOCATE
#define __z_posix_sysconf_SC_2_PBS_MESSAGE                _POSIX2_PBS_MESSAGE
#define __z_posix_sysconf_SC_2_PBS_TRACK                  _POSIX2_PBS_TRACK
#define __z_posix_sysconf_SC_2_SW_DEV                     _POSIX2_SW_DEV
#define __z_posix_sysconf_SC_2_UPE                        _POSIX2_UPE
#define __z_posix_sysconf_SC_2_VERSION                    _POSIX2_VERSION
#define __z_posix_sysconf_SC_XOPEN_CRYPT                  _XOPEN_CRYPT
#define __z_posix_sysconf_SC_XOPEN_ENH_I18N               _XOPEN_ENH_I18N
#define __z_posix_sysconf_SC_XOPEN_REALTIME               _XOPEN_REALTIME
#define __z_posix_sysconf_SC_XOPEN_REALTIME_THREADS       _XOPEN_REALTIME_THREADS
#define __z_posix_sysconf_SC_XOPEN_SHM                    _XOPEN_SHM
#define __z_posix_sysconf_SC_XOPEN_STREAMS                _XOPEN_STREAMS
#define __z_posix_sysconf_SC_XOPEN_UNIX                   _XOPEN_UNIX
#define __z_posix_sysconf_SC_XOPEN_UUCP                   _XOPEN_UUCP
#define __z_posix_sysconf_SC_XOPEN_VERSION                _XOPEN_VERSION
#define __z_posix_sysconf_SC_CLK_TCK                      (100L)
#define __z_posix_sysconf_SC_GETGR_R_SIZE_MAX             (0L)
#define __z_posix_sysconf_SC_GETPW_R_SIZE_MAX             (0L)
#define __z_posix_sysconf_SC_AIO_LISTIO_MAX               AIO_LISTIO_MAX
#define __z_posix_sysconf_SC_AIO_MAX                      AIO_MAX
#define __z_posix_sysconf_SC_AIO_PRIO_DELTA_MAX           AIO_PRIO_DELTA_MAX
#define __z_posix_sysconf_SC_ARG_MAX                      ARG_MAX
#define __z_posix_sysconf_SC_ATEXIT_MAX                   ATEXIT_MAX
#define __z_posix_sysconf_SC_CHILD_MAX                    CHILD_MAX
#define __z_posix_sysconf_SC_HOST_NAME_MAX                HOST_NAME_MAX
#define __z_posix_sysconf_SC_IOV_MAX                      IOV_MAX
#define __z_posix_sysconf_SC_LOGIN_NAME_MAX               LOGIN_NAME_MAX
#define __z_posix_sysconf_SC_NGROUPS_MAX                  _POSIX_NGROUPS_MAX
#define __z_posix_sysconf_SC_MQ_OPEN_MAX                  MQ_OPEN_MAX
#define __z_posix_sysconf_SC_MQ_PRIO_MAX                  MQ_PRIO_MAX
#define __z_posix_sysconf_SC_OPEN_MAX                     CONFIG_POSIX_MAX_FDS
#define __z_posix_sysconf_SC_PAGE_SIZE                    PAGE_SIZE
#define __z_posix_sysconf_SC_PAGESIZE                     PAGESIZE
#define __z_posix_sysconf_SC_THREAD_DESTRUCTOR_ITERATIONS PTHREAD_DESTRUCTOR_ITERATIONS
#define __z_posix_sysconf_SC_THREAD_KEYS_MAX              PTHREAD_KEYS_MAX
#define __z_posix_sysconf_SC_THREAD_STACK_MIN             PTHREAD_STACK_MIN
#define __z_posix_sysconf_SC_THREAD_THREADS_MAX           PTHREAD_THREADS_MAX
#define __z_posix_sysconf_SC_RTSIG_MAX                    RTSIG_MAX
#define __z_posix_sysconf_SC_SEM_NSEMS_MAX                SEM_NSEMS_MAX
#define __z_posix_sysconf_SC_SEM_VALUE_MAX                SEM_VALUE_MAX
#define __z_posix_sysconf_SC_SIGQUEUE_MAX                 SIGQUEUE_MAX
#define __z_posix_sysconf_SC_STREAM_MAX                   STREAM_MAX
#define __z_posix_sysconf_SC_SYMLOOP_MAX                  SYMLOOP_MAX
#define __z_posix_sysconf_SC_TIMER_MAX                    TIMER_MAX
#define __z_posix_sysconf_SC_TTY_NAME_MAX                 TTY_NAME_MAX
#define __z_posix_sysconf_SC_TZNAME_MAX                   TZNAME_MAX
 
#define sysconf(x) (long)CONCAT(__z_posix_sysconf, x)
 
#endif /* CONFIG_POSIX_SYSCONF */
 
#ifdef __cplusplus
}
#endif
 
#endif  /* ZEPHYR_INCLUDE_POSIX_UNISTD_H_ */