posix_features.h

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/*
 * Copyright (c) 2024 BayLibre SAS
 * Copyright (c) 2024 Tenstorrent AI ULC
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef INCLUDE_ZEPHYR_POSIX_POSIX_FEATURES_H_
#define INCLUDE_ZEPHYR_POSIX_POSIX_FEATURES_H_
 
#include <zephyr/autoconf.h>       /* CONFIG_* */
#include <zephyr/sys/util_macro.h> /* COND_CODE_1() */
 
/*
 * POSIX Application Environment Profiles (AEP - IEEE Std 1003.13-2003)
 */
 
#ifdef CONFIG_POSIX_AEP_REALTIME_MINIMAL
#define _POSIX_AEP_REALTIME_MINIMAL 200312L
#endif
 
#ifdef CONFIG_POSIX_AEP_REALTIME_CONTROLLER
#define _POSIX_AEP_REALTIME_CONTROLLER 200312L
#endif
 
#ifdef CONFIG_POSIX_AEP_REALTIME_DEDICATED
#define _POSIX_AEP_REALTIME_DEDICATED 200312L
#endif
 
/*
 * Subprofiling Considerations
 */
#define _POSIX_SUBPROFILE 1
 
/*
 * POSIX System Interfaces
 */
 
#define _POSIX_VERSION 200809L
 
#define _POSIX_CHOWN_RESTRICTED (0)
#define _POSIX_NO_TRUNC         (0)
#define _POSIX_VDISABLE         ('\0')
 
/* #define _POSIX_ADVISORY_INFO (-1L) */
 
#ifdef CONFIG_POSIX_ASYNCHRONOUS_IO
#define _POSIX_ASYNCHRONOUS_IO _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_BARRIERS
#define _POSIX_BARRIERS _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_CLOCK_SELECTION
#define _POSIX_CLOCK_SELECTION _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_CPUTIME
#define _POSIX_CPUTIME _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_FSYNC
#define _POSIX_FSYNC _POSIX_VERSION
#endif
 
#ifdef CONFIG_NET_IPV6
#define _POSIX_IPV6 _POSIX_VERSION
#endif
 
/* #define _POSIX_JOB_CONTROL (-1L) */
 
#ifdef CONFIG_POSIX_MAPPED_FILES
#define _POSIX_MAPPED_FILES _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_MEMLOCK
#define _POSIX_MEMLOCK _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_MEMLOCK_RANGE
#define _POSIX_MEMLOCK_RANGE _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_MEMORY_PROTECTION
#define _POSIX_MEMORY_PROTECTION _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_MESSAGE_PASSING
#define _POSIX_MESSAGE_PASSING _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_MONOTONIC_CLOCK
#define _POSIX_MONOTONIC_CLOCK _POSIX_VERSION
#endif
 
/* #define _POSIX_PRIORITIZED_IO (-1L) */
 
#ifdef CONFIG_POSIX_PRIORITY_SCHEDULING
#define _POSIX_PRIORITY_SCHEDULING _POSIX_VERSION
#endif
 
#ifdef CONFIG_NET_SOCKETS_PACKET
#define _POSIX_RAW_SOCKETS _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_READER_WRITER_LOCKS
#define _POSIX_READER_WRITER_LOCKS _POSIX_VERSION
#endif
 
/* #define _POSIX_REALTIME_SIGNALS (-1L) */
/* #define _POSIX_REGEXP (-1L) */
/* #define _POSIX_SAVED_IDS (-1L) */
 
#ifdef CONFIG_POSIX_SEMAPHORES
#define _POSIX_SEMAPHORES _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_SHARED_MEMORY_OBJECTS
#define _POSIX_SHARED_MEMORY_OBJECTS _POSIX_VERSION
#endif
 
/* #define _POSIX_SHELL (-1L) */
/* #define _POSIX_SPAWN (-1L) */
 
#ifdef CONFIG_POSIX_SPIN_LOCKS
#define _POSIX_SPIN_LOCKS _POSIX_VERSION
#endif
 
/* #define _POSIX_SPORADIC_SERVER (-1L) */
 
#ifdef CONFIG_POSIX_SYNCHRONIZED_IO
#define _POSIX_SYNCHRONIZED_IO _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_THREAD_ATTR_STACKADDR
#define _POSIX_THREAD_ATTR_STACKADDR _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_THREAD_ATTR_STACKSIZE
#define _POSIX_THREAD_ATTR_STACKSIZE _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_THREAD_CPUTIME
#define _POSIX_THREAD_CPUTIME _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_THREAD_PRIO_INHERIT
#define _POSIX_THREAD_PRIO_INHERIT _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_THREAD_PRIO_PROTECT
#define _POSIX_THREAD_PRIO_PROTECT _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_THREAD_PRIORITY_SCHEDULING
#define _POSIX_THREAD_PRIORITY_SCHEDULING _POSIX_VERSION
#endif
 
/* #define _POSIX_THREAD_PROCESS_SHARED (-1L) */
/* #define _POSIX_THREAD_ROBUST_PRIO_INHERIT (-1L) */
/* #define _POSIX_THREAD_ROBUST_PRIO_PROTECT (-1L) */
 
#ifdef CONFIG_POSIX_THREAD_SAFE_FUNCTIONS
#define _POSIX_THREAD_SAFE_FUNCTIONS _POSIX_VERSION
#endif
 
/* #define _POSIX_THREAD_SPORADIC_SERVER (-1L) */
 
#ifdef CONFIG_POSIX_THREADS
#ifndef _POSIX_THREADS
#define _POSIX_THREADS _POSIX_VERSION
#endif
#endif
 
#ifdef CONFIG_POSIX_TIMEOUTS
#define _POSIX_TIMEOUTS _POSIX_VERSION
#endif
 
#ifdef CONFIG_POSIX_TIMERS
#define _POSIX_TIMERS _POSIX_VERSION
#endif
 
/* #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) */
 
/*
 * POSIX v6 Options
 */
/* #define _POSIX_V6_ILP32_OFF32 (-1L) */
/* #define _POSIX_V6_ILP32_OFFBIG (-1L) */
/* #define _POSIX_V6_LP64_OFF64 (-1L) */
/* #define _POSIX_V6_LPBIG_OFFBIG (-1L) */
 
/*
 * POSIX v7 Options
 */
/* #define _POSIX_V7_ILP32_OFF32 (-1L) */
/* #define _POSIX_V7_ILP32_OFFBIG (-1L) */
/* #define _POSIX_V7_LP64_OFF64 (-1L) */
/* #define _POSIX_V7_LPBIG_OFFBIG (-1L) */
 
/*
 * POSIX2 Options
 */
/* #define _POSIX2_VERSION (-1) */
#define _POSIX2_C_BIND _POSIX_VERSION
/* #define _POSIX2_C_DEV (-1) */
/* #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) */
 
/*
 * X/Open System Interfaces
 */
#define _XOPEN_VERSION 700
/* #define _XOPEN_CRYPT (-1L) */
/* #define _XOPEN_ENH_I18N (-1L) */
#if defined(CONFIG_XSI_REALTIME) ||                                                                \
        (defined(CONFIG_POSIX_FSYNC) && defined(CONFIG_POSIX_MEMLOCK) &&                           \
         defined(CONFIG_POSIX_MEMLOCK_RANGE) && defined(CONFIG_POSIX_MESSAGE_PASSING) &&           \
         defined(CONFIG_POSIX_PRIORITY_SCHEDULING) &&                                              \
         defined(CONFIG_POSIX_SHARED_MEMORY_OBJECTS) && defined(CONFIG_POSIX_SYNCHRONIZED_IO))
#define _XOPEN_REALTIME _XOPEN_VERSION
#endif
/* #define _XOPEN_REALTIME_THREADS (-1L) */
/* #define _XOPEN_SHM (-1L) */
 
#ifdef CONFIG_XOPEN_STREAMS
#define _XOPEN_STREAMS _XOPEN_VERSION
#endif
 
/* #define _XOPEN_UNIX (-1L) */
/* #define _XOPEN_UUCP (-1L) */
 
#if _POSIX_C_SOURCE >= 200809L && (__PICOLIBC__ > 1 ||                  \
(__PICOLIBC__ == 1 && (__PICOLIBC_MINOR__ > 8 ||                        \
__PICOLIBC_MINOR__ == 8 && __PICOLIBC_PATCHLEVEL__ >= 9)))
/* Use picolibc's limits.h when building POSIX code */
#include <limits.h>
#else
 
/* 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 \
        COND_CODE_1(CONFIG_POSIX_TIMERS, (CONFIG_POSIX_DELAYTIMER_MAX), (0))
#define _POSIX_HOST_NAME_MAX \
        COND_CODE_1(CONFIG_POSIX_NETWORKING, (CONFIG_POSIX_HOST_NAME_MAX), (0))
#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 \
        COND_CODE_1(CONFIG_POSIX_MESSAGE_PASSING, (CONFIG_POSIX_MQ_OPEN_MAX), (0))
#define _POSIX_MQ_PRIO_MAX                  (32)
#define _POSIX_NAME_MAX                     (14)
#define _POSIX_NGROUPS_MAX                  (8)
#define _POSIX_OPEN_MAX                     CONFIG_POSIX_OPEN_MAX
#define _POSIX_PATH_MAX                     (256)
#define _POSIX_PIPE_BUF                     (512)
#define _POSIX_RE_DUP_MAX                   (255)
#define _POSIX_RTSIG_MAX \
        COND_CODE_1(CONFIG_POSIX_REALTIME_SIGNALS, (CONFIG_POSIX_RTSIG_MAX), (0))
#define _POSIX_SEM_NSEMS_MAX \
        COND_CODE_1(CONFIG_POSIX_SEMAPHORES, (CONFIG_POSIX_SEM_NSEMS_MAX), (0))
#define _POSIX_SEM_VALUE_MAX \
        COND_CODE_1(CONFIG_POSIX_SEMAPHORES, (CONFIG_POSIX_SEM_VALUE_MAX), (0))
#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 \
        COND_CODE_1(CONFIG_POSIX_THREADS, (CONFIG_POSIX_THREAD_KEYS_MAX), (0))
#define _POSIX_THREAD_THREADS_MAX \
        COND_CODE_1(CONFIG_POSIX_THREADS, (CONFIG_POSIX_THREAD_THREADS_MAX), (0))
#define _POSIX_TIMER_MAX \
        COND_CODE_1(CONFIG_POSIX_TIMERS, (CONFIG_POSIX_TIMER_MAX), (0))
#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)
 
#endif /* __PICOLIBC__ */
 
/* 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      _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 ATEXIT_MAX
#define ATEXIT_MAX 8
#endif
 
#define PAGE_SIZE CONFIG_POSIX_PAGE_SIZE
#define PAGESIZE PAGE_SIZE
 
#define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS
#define PTHREAD_KEYS_MAX              _POSIX_THREAD_KEYS_MAX
#define PTHREAD_THREADS_MAX           _POSIX_THREAD_THREADS_MAX
#define RTSIG_MAX                     _POSIX_RTSIG_MAX
#define SEM_NSEMS_MAX       _POSIX_SEM_NSEMS_MAX
#define SEM_VALUE_MAX       _POSIX_SEM_VALUE_MAX
#define SIGQUEUE_MAX        _POSIX_SIGQUEUE_MAX
#define STREAM_MAX          _POSIX_STREAM_MAX
#define SYMLOOP_MAX         _POSIX_SYMLOOP_MAX
#define TIMER_MAX           _POSIX_TIMER_MAX
#define TTY_NAME_MAX        _POSIX_TTY_NAME_MAX
#ifndef TZNAME_MAX
#define TZNAME_MAX          _POSIX_TZNAME_MAX
#endif
 
/* 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
 
#endif /* INCLUDE_ZEPHYR_POSIX_POSIX_FEATURES_H_ */