doxygen/html/sysconf_8h_source.html

/*

 * Copyright (c) 2024, Meta

 * Copyright (c) 2024, Tenstorrent AI ULC

 *

 * SPDX-License-Identifier: Apache-2.0

 */


#ifndef ZEPHYR_INCLUDE_POSIX_SYS_SYSCONF_H_

#define ZEPHYR_INCLUDE_POSIX_SYS_SYSCONF_H_


#include <limits.h>


#include <zephyr/sys/util_macro.h>


#ifdef __cplusplus

extern "C" {

#endif


#if defined(CONFIG_MINIMAL_LIBC)


enum {

    _SC_ADVISORY_INFO,

    _SC_ASYNCHRONOUS_IO,

    _SC_BARRIERS,

    _SC_CLOCK_SELECTION,

    _SC_CPUTIME,

    _SC_FSYNC,

    _SC_IPV6,

    _SC_JOB_CONTROL,

    _SC_MAPPED_FILES,

    _SC_MEMLOCK,

    _SC_MEMLOCK_RANGE,

    _SC_MEMORY_PROTECTION,

    _SC_MESSAGE_PASSING,

    _SC_MONOTONIC_CLOCK,

    _SC_PRIORITIZED_IO,

    _SC_PRIORITY_SCHEDULING,

    _SC_RAW_SOCKETS,

    _SC_RE_DUP_MAX,

    _SC_READER_WRITER_LOCKS,

    _SC_REALTIME_SIGNALS,

    _SC_REGEXP,

    _SC_SAVED_IDS,

    _SC_SEMAPHORES,

    _SC_SHARED_MEMORY_OBJECTS,

    _SC_SHELL,

    _SC_SPAWN,

    _SC_SPIN_LOCKS,

    _SC_SPORADIC_SERVER,

    _SC_SS_REPL_MAX,

    _SC_SYNCHRONIZED_IO,

    _SC_THREAD_ATTR_STACKADDR,

    _SC_THREAD_ATTR_STACKSIZE,

    _SC_THREAD_CPUTIME,

    _SC_THREAD_PRIO_INHERIT,

    _SC_THREAD_PRIO_PROTECT,

    _SC_THREAD_PRIORITY_SCHEDULING,

    _SC_THREAD_PROCESS_SHARED,

    _SC_THREAD_ROBUST_PRIO_INHERIT,

    _SC_THREAD_ROBUST_PRIO_PROTECT,

    _SC_THREAD_SAFE_FUNCTIONS,

    _SC_THREAD_SPORADIC_SERVER,

    _SC_THREADS,

    _SC_TIMEOUTS,

    _SC_TIMERS,

    _SC_TRACE,

    _SC_TRACE_EVENT_FILTER,

    _SC_TRACE_EVENT_NAME_MAX,

    _SC_TRACE_INHERIT,

    _SC_TRACE_LOG,

    _SC_TRACE_NAME_MAX,

    _SC_TRACE_SYS_MAX,

    _SC_TRACE_USER_EVENT_MAX,

    _SC_TYPED_MEMORY_OBJECTS,

    _SC_VERSION,

    _SC_V7_ILP32_OFF32,

    _SC_V7_ILP32_OFFBIG,

    _SC_V7_LP64_OFF64,

    _SC_V7_LPBIG_OFFBIG,

    _SC_V6_ILP32_OFF32,

    _SC_V6_ILP32_OFFBIG,

    _SC_V6_LP64_OFF64,

    _SC_V6_LPBIG_OFFBIG,

    _SC_BC_BASE_MAX,

    _SC_BC_DIM_MAX,

    _SC_BC_SCALE_MAX,

    _SC_BC_STRING_MAX,

    _SC_2_C_BIND,

    _SC_2_C_DEV,

    _SC_2_CHAR_TERM,

    _SC_COLL_WEIGHTS_MAX,

    _SC_DELAYTIMER_MAX,

    _SC_EXPR_NEST_MAX,

    _SC_2_FORT_DEV,

    _SC_2_FORT_RUN,

    _SC_LINE_MAX,

    _SC_2_LOCALEDEF,

    _SC_2_PBS,

    _SC_2_PBS_ACCOUNTING,

    _SC_2_PBS_CHECKPOINT,

    _SC_2_PBS_LOCATE,

    _SC_2_PBS_MESSAGE,

    _SC_2_PBS_TRACK,

    _SC_2_SW_DEV,

    _SC_2_UPE,

    _SC_2_VERSION,

    _SC_XOPEN_CRYPT,

    _SC_XOPEN_ENH_I18N,

    _SC_XOPEN_REALTIME,

    _SC_XOPEN_REALTIME_THREADS,

    _SC_XOPEN_SHM,

    _SC_XOPEN_STREAMS,

    _SC_XOPEN_UNIX,

    _SC_XOPEN_UUCP,

    _SC_XOPEN_VERSION,

    _SC_CLK_TCK,

    _SC_GETGR_R_SIZE_MAX,

    _SC_GETPW_R_SIZE_MAX,

    _SC_AIO_LISTIO_MAX,

    _SC_AIO_MAX,

    _SC_AIO_PRIO_DELTA_MAX,

    _SC_ARG_MAX,

    _SC_ATEXIT_MAX,

    _SC_CHILD_MAX,

    _SC_HOST_NAME_MAX,

    _SC_IOV_MAX,

    _SC_LOGIN_NAME_MAX,

    _SC_NGROUPS_MAX,

    _SC_MQ_OPEN_MAX,

    _SC_MQ_PRIO_MAX,

    _SC_OPEN_MAX,

    _SC_PAGE_SIZE,

    _SC_PAGESIZE,

    _SC_THREAD_DESTRUCTOR_ITERATIONS,

    _SC_THREAD_KEYS_MAX,

    _SC_THREAD_STACK_MIN,

    _SC_THREAD_THREADS_MAX,

    _SC_RTSIG_MAX,

    _SC_SEM_NSEMS_MAX,

    _SC_SEM_VALUE_MAX,

    _SC_SIGQUEUE_MAX,

    _SC_STREAM_MAX,

    _SC_SYMLOOP_MAX,

    _SC_TIMER_MAX,

    _SC_TTY_NAME_MAX,

    _SC_TZNAME_MAX,

};


/*

 * clang-format and checkpatch disagree on formatting here, so rely on checkpatch and disable

 * clang-format since checkpatch cannot be selectively disabled.

 */


/* clang-format off */


#define __z_posix_sysconf_SC_ADVISORY_INFO (-1L)

#define __z_posix_sysconf_SC_ASYNCHRONOUS_IO                                                       \

    COND_CODE_1(CONFIG_POSIX_ASYNCHRONOUS_IO, (_POSIX_ASYNCHRONOUS_IO), (-1L))

#define __z_posix_sysconf_SC_BARRIERS COND_CODE_1(CONFIG_POSIX_BARRIERS, (_POSIX_BARRIERS), (-1L))

#define __z_posix_sysconf_SC_CLOCK_SELECTION                                                       \

    COND_CODE_1(CONFIG_POSIX_CLOCK_SELECTION, (_POSIX_CLOCK_SELECTION), (-1L))

#define __z_posix_sysconf_SC_CPUTIME \

    COND_CODE_1(CONFIG_POSIX_CPUTIME, (_POSIX_CPUTIME), (-1L))

#define __z_posix_sysconf_SC_FSYNC                                                                 \

    COND_CODE_1(CONFIG_POSIX_FSYNC, (_POSIX_FSYNC), (-1L))

#define __z_posix_sysconf_SC_IPV6              COND_CODE_1(CONFIG_NET_IPV6, (_POSIX_VERSION), (-1L))

#define __z_posix_sysconf_SC_JOB_CONTROL       (-1L)

#define __z_posix_sysconf_SC_MAPPED_FILES                                                          \

    COND_CODE_1(CONFIG_POSIX_MAPPED_FILES, (_POSIX_MAPPED_FILES), (-1L))

#define __z_posix_sysconf_SC_MEMLOCK                                                               \

    COND_CODE_1(CONFIG_POSIX_MEMLOCK, (_POSIX_MEMLOCK), (-1L))

#define __z_posix_sysconf_SC_MEMLOCK_RANGE                                                         \

    COND_CODE_1(CONFIG_POSIX_MEMLOCK_RANGE, (_POSIX_MEMLOCK_RANGE), (-1L))

#define __z_posix_sysconf_SC_MEMORY_PROTECTION                                                     \

    COND_CODE_1(CONFIG_POSIX_MEMORY_PROTECTION, (_POSIX_MEMORY_PROTECTION), (-1L))

#define __z_posix_sysconf_SC_MESSAGE_PASSING                                                       \

    COND_CODE_1(CONFIG_POSIX_MESSAGE_PASSING, (_POSIX_MESSAGE_PASSING), (-1L))

#define __z_posix_sysconf_SC_MONOTONIC_CLOCK                                                       \

    COND_CODE_1(CONFIG_POSIX_MONOTONIC_CLOCK, (_POSIX_MONOTONIC_CLOCK), (-1L))

#define __z_posix_sysconf_SC_PRIORITIZED_IO (-1L)

#define __z_posix_sysconf_SC_PRIORITY_SCHEDULING                                                   \

    COND_CODE_1(CONFIG_POSIX_PRIORITY_SCHEDULING, (_POSIX_PRIORITY_SCHEDULING), (-1L))

#define __z_posix_sysconf_SC_RAW_SOCKETS                                                           \

    COND_CODE_1(CONFIG_NET_SOCKETS_PACKET, (_POSIX_RAW_SOCKETS), (-1L))

#define __z_posix_sysconf_SC_RE_DUP_MAX _POSIX_RE_DUP_MAX

#define __z_posix_sysconf_SC_READER_WRITER_LOCKS                                                   \

    COND_CODE_1(CONFIG_POSIX_RW_LOCKS, (_POSIX_READER_WRITER_LOCKS), (-1L))

#define __z_posix_sysconf_SC_REALTIME_SIGNALS      (-1L)

#define __z_posix_sysconf_SC_REGEXP                (-1L)

#define __z_posix_sysconf_SC_SAVED_IDS             (-1L)

#define __z_posix_sysconf_SC_SEMAPHORES                                                            \

    COND_CODE_1(CONFIG_POSIX_SEMAPHORES, (_POSIX_SEMAPHORES), (-1L))

#define __z_posix_sysconf_SC_SHARED_MEMORY_OBJECTS                                                 \

    COND_CODE_1(CONFIG_POSIX_SHARED_MEMORY_OBJECTS, (_POSIX_SHARED_MEMORY_OBJECTS), (-1L))

#define __z_posix_sysconf_SC_SHELL                 (-1L)

#define __z_posix_sysconf_SC_SPAWN                 (-1L)

#define __z_posix_sysconf_SC_SPIN_LOCKS                                                            \

    COND_CODE_1(CONFIG_POSIX_SPIN_LOCKS, (_POSIX_SPIN_LOCKS), (-1L))

#define __z_posix_sysconf_SC_SPORADIC_SERVER (-1L)

#define __z_posix_sysconf_SC_SS_REPL_MAX     _POSIX_SS_REPL_MAX

#define __z_posix_sysconf_SC_SYNCHRONIZED_IO (-1L)

#define __z_posix_sysconf_SC_THREAD_ATTR_STACKADDR                                                 \

    COND_CODE_1(CONFIG_POSIX_THREAD_ATTR_STACKADDR, (_POSIX_THREAD_ATTR_STACKADDR), (-1))

#define __z_posix_sysconf_SC_THREAD_ATTR_STACKSIZE                                                 \

    COND_CODE_1(CONFIG_POSIX_THREAD_ATTR_STACKSIZE, (_POSIX_THREAD_ATTR_STACKSIZE), (-1L))

#define __z_posix_sysconf_SC_THREAD_CPUTIME (-1L)

#define __z_posix_sysconf_SC_THREAD_PRIO_INHERIT                                                   \

    COND_CODE_1(CONFIG_POSIX_THREAD_PRIO_INHERIT, (_POSIX_THREAD_PRIO_INHERIT), (-1L))

#define __z_posix_sysconf_SC_THREAD_PRIO_PROTECT        (-1L)

#define __z_posix_sysconf_SC_THREAD_PRIORITY_SCHEDULING                                            \

    COND_CODE_1(CONFIG_POSIX_THREAD_PRIORITY_SCHEDULING, (_POSIX_THREAD_PRIORITY_SCHEDULING),  \

            (-1L))

#define __z_posix_sysconf_SC_THREAD_PROCESS_SHARED      (-1L)

#define __z_posix_sysconf_SC_THREAD_ROBUST_PRIO_INHERIT (-1L)

#define __z_posix_sysconf_SC_THREAD_ROBUST_PRIO_PROTECT (-1L)

#define __z_posix_sysconf_SC_THREAD_SAFE_FUNCTIONS                                                 \

    COND_CODE_1(IS_ENABLED(CONFIG_POSIX_FILE_SYSTEM_R) &&                                        \

                IS_ENABLED(CONFIG_POSIX_C_LANG_SUPPORT_R),                               \

            (_POSIX_THREAD_SAFE_FUNCTIONS), (-1L))

#define __z_posix_sysconf_SC_THREAD_SPORADIC_SERVER                                                \

    COND_CODE_1(CONFIG_POSIX_THREAD_SPORADIC_SERVER, (_POSIX_THREAD_SPORADIC_SERVER), (-1L))

#define __z_posix_sysconf_SC_THREADS                                                               \

    COND_CODE_1(CONFIG_POSIX_THREADS, (_POSIX_THREADS), (-1L))

#define __z_posix_sysconf_SC_TIMEOUTS                                                              \

    COND_CODE_1(IS_ENABLED(CONFIG_POSIX_TIMERS), (_POSIX_TIMEOUTS), (-1L))

#define __z_posix_sysconf_SC_TIMERS                                                                \

    COND_CODE_1(CONFIG_POSIX_TIMERS, (_POSIX_TIMERS), (-1))

#define __z_posix_sysconf_SC_TRACE                        (-1L)

#define __z_posix_sysconf_SC_TRACE_EVENT_FILTER           (-1L)

#define __z_posix_sysconf_SC_TRACE_EVENT_NAME_MAX         _POSIX_TRACE_NAME_MAX

#define __z_posix_sysconf_SC_TRACE_INHERIT                (-1L)

#define __z_posix_sysconf_SC_TRACE_LOG                    (-1L)

#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         (-1L)

#define __z_posix_sysconf_SC_VERSION                                                         \

    COND_CODE_1(CONFIG_POSIX_SYSTEM_INTERFACES, (_POSIX_VERSION), (0))

#define __z_posix_sysconf_SC_V6_ILP32_OFF32               (-1L)

#define __z_posix_sysconf_SC_V6_ILP32_OFFBIG              (-1L)

#define __z_posix_sysconf_SC_V6_LP64_OFF64                (-1L)

#define __z_posix_sysconf_SC_V6_LPBIG_OFFBIG              (-1L)

#define __z_posix_sysconf_SC_V7_ILP32_OFF32               (-1L)

#define __z_posix_sysconf_SC_V7_ILP32_OFFBIG              (-1L)

#define __z_posix_sysconf_SC_V7_LP64_OFF64                (-1L)

#define __z_posix_sysconf_SC_V7_LPBIG_OFFBIG              (-1L)

#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                                                               \

    COND_CODE_1(_POSIX2_C_DEV > 0, (_POSIX2_C_DEV), (-1))

#define __z_posix_sysconf_SC_2_CHAR_TERM                  (-1L)

#define __z_posix_sysconf_SC_COLL_WEIGHTS_MAX             _POSIX2_COLL_WEIGHTS_MAX

#define __z_posix_sysconf_SC_DELAYTIMER_MAX                                                        \

    COND_CODE_1(CONFIG_POSIX_TIMERS, (CONFIG_POSIX_DELAYTIMER_MAX), (0))

#define __z_posix_sysconf_SC_EXPR_NEST_MAX                _POSIX2_EXPR_NEST_MAX

#define __z_posix_sysconf_SC_2_FORT_DEV                   (-1L)

#define __z_posix_sysconf_SC_2_FORT_RUN                   (-1L)

#define __z_posix_sysconf_SC_LINE_MAX                     (-1L)

#define __z_posix_sysconf_SC_2_LOCALEDEF                  (-1L)

#define __z_posix_sysconf_SC_2_PBS                        (-1L)

#define __z_posix_sysconf_SC_2_PBS_ACCOUNTING             (-1L)

#define __z_posix_sysconf_SC_2_PBS_CHECKPOINT             (-1L)

#define __z_posix_sysconf_SC_2_PBS_LOCATE                 (-1L)

#define __z_posix_sysconf_SC_2_PBS_MESSAGE                (-1L)

#define __z_posix_sysconf_SC_2_PBS_TRACK                  (-1L)

#define __z_posix_sysconf_SC_2_SW_DEV                     (-1L)

#define __z_posix_sysconf_SC_2_UPE                        (-1L)

#define __z_posix_sysconf_SC_2_VERSION                                                             \

    COND_CODE_1(_POSIX2_VERSION > 0, (_POSIX2_VERSION), (-1))

#define __z_posix_sysconf_SC_XOPEN_CRYPT                  (-1L)

#define __z_posix_sysconf_SC_XOPEN_ENH_I18N               (-1L)

#define __z_posix_sysconf_SC_XOPEN_REALTIME \

    COND_CODE_1(CONFIG_XSI_REALTIME, (_XOPEN_VERSION), (-1))

#define __z_posix_sysconf_SC_XOPEN_REALTIME_THREADS       (-1L)

#define __z_posix_sysconf_SC_XOPEN_SHM                    (-1L)

#define __z_posix_sysconf_SC_XOPEN_STREAMS                                                         \

    COND_CODE_1(CONFIG_XSI_STREAMS, (_XOPEN_STREAMS), (-1))

#define __z_posix_sysconf_SC_XOPEN_UNIX \

    COND_CODE_1(CONFIG_XSI, (_XOPEN_UNIX), (-1))

#define __z_posix_sysconf_SC_XOPEN_UUCP                   (-1L)

#define __z_posix_sysconf_SC_XOPEN_VERSION                                                         \

    COND_CODE_1(CONFIG_XSI, (_XOPEN_VERSION), (0))

#define __z_posix_sysconf_SC_CLK_TCK                      (100L)

#define __z_posix_sysconf_SC_GETGR_R_SIZE_MAX                                                          \

    COND_CODE_1(CONFIG_POSIX_SYSTEM_DATABASE_R, (CONFIG_POSIX_GETGR_R_SIZE_MAX), (0L))

#define __z_posix_sysconf_SC_GETPW_R_SIZE_MAX                                                          \

    COND_CODE_1(CONFIG_POSIX_SYSTEM_DATABASE_R, (CONFIG_POSIX_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           0

#define __z_posix_sysconf_SC_ARG_MAX                      _POSIX_ARG_MAX

#define __z_posix_sysconf_SC_ATEXIT_MAX                   32

#define __z_posix_sysconf_SC_CHILD_MAX                    _POSIX_CHILD_MAX

#define __z_posix_sysconf_SC_HOST_NAME_MAX                                                         \

    COND_CODE_1(CONFIG_POSIX_NETWORKING, (CONFIG_POSIX_HOST_NAME_MAX), (0))

#define __z_posix_sysconf_SC_IOV_MAX                      16 /* _XOPEN_IOV_MAX */

#define __z_posix_sysconf_SC_LOGIN_NAME_MAX               _POSIX_LOGIN_NAME_MAX

#define __z_posix_sysconf_SC_NGROUPS_MAX                  _POSIX_NGROUPS_MAX

#define __z_posix_sysconf_SC_MQ_OPEN_MAX                                                           \

    COND_CODE_1(CONFIG_POSIX_MESSAGE_PASSING, (CONFIG_POSIX_MQ_OPEN_MAX), (0))

#define __z_posix_sysconf_SC_MQ_PRIO_MAX                  _POSIX_MQ_PRIO_MAX

#define __z_posix_sysconf_SC_OPEN_MAX                     CONFIG_POSIX_OPEN_MAX

#define __z_posix_sysconf_SC_PAGE_SIZE                    CONFIG_POSIX_PAGE_SIZE

#define __z_posix_sysconf_SC_PAGESIZE                     CONFIG_POSIX_PAGE_SIZE

#define __z_posix_sysconf_SC_THREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS

#define __z_posix_sysconf_SC_THREAD_KEYS_MAX                                                       \

    COND_CODE_1(CONFIG_POSIX_THREADS, (CONFIG_POSIX_THREAD_KEYS_MAX), (0))

#define __z_posix_sysconf_SC_THREAD_STACK_MIN             0

#define __z_posix_sysconf_SC_THREAD_THREADS_MAX                                                    \

    COND_CODE_1(CONFIG_POSIX_THREADS, (CONFIG_POSIX_THREAD_THREADS_MAX), (0))

#define __z_posix_sysconf_SC_RTSIG_MAX                                                             \

    COND_CODE_1(CONFIG_POSIX_REALTIME_SIGNALS, (CONFIG_POSIX_RTSIG_MAX), (0))

#define __z_posix_sysconf_SC_SEM_NSEMS_MAX                                                         \

    COND_CODE_1(CONFIG_POSIX_SEMAPHORES, (CONFIG_POSIX_SEM_NSEMS_MAX), (0))

#define __z_posix_sysconf_SC_SEM_VALUE_MAX                                                         \

    COND_CODE_1(CONFIG_POSIX_SEMAPHORES, (CONFIG_POSIX_SEM_VALUE_MAX), (0))

#define __z_posix_sysconf_SC_SIGQUEUE_MAX                 _POSIX_SIGQUEUE_MAX

#define __z_posix_sysconf_SC_STREAM_MAX                   _POSIX_STREAM_MAX

#define __z_posix_sysconf_SC_SYMLOOP_MAX                  _POSIX_SYMLOOP_MAX

#define __z_posix_sysconf_SC_TIMER_MAX                                                             \

    COND_CODE_1(CONFIG_POSIX_TIMERS, (CONFIG_POSIX_TIMER_MAX), (0))

#define __z_posix_sysconf_SC_TTY_NAME_MAX                 _POSIX_TTY_NAME_MAX

#define __z_posix_sysconf_SC_TZNAME_MAX                   _POSIX_TZNAME_MAX


#ifdef CONFIG_POSIX_SYSCONF_IMPL_MACRO

#define sysconf(x) (long)CONCAT(__z_posix_sysconf, x)

#endif


/* clang-format on */


#endif


#ifdef __cplusplus

}

#endif


#endif /* ZEPHYR_INCLUDE_POSIX_SYS_SYSCONF_H_ */