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Odin/core/sys/posix/limits.odin
Laytan Laats 1cebc025b0 sys/posix: impl rest of linux, impl some of Windows
2024-10-28 18:59:06 +01:00

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#+build linux, darwin, netbsd, openbsd, freebsd
package posix
// limits.h - implementation-defined constants
// NOTE: numerical limits are left out because Odin provides `min(T)` and `max(T)`.
// The <limits.h> header shall define the following symbolic constants with the values shown.
// These are the most restrictive values for certain features on an implementation.
// A conforming implementation shall provide values no larger than these values.
// A conforming application must not require a smaller value for correct operation.
_POSIX_CLOCKRES_MIN :: 20000000
// The <limits.h> header shall define the following symbolic constants with the values shown.
// These are the most restrictive values for certain features on an implementation conforming to
// this volume of POSIX.1-2017.
// Related symbolic constants are defined elsewhere in this volume of POSIX.1-2017 which reflect
// the actual implementation and which need not be as restrictive. For each of these limits,
// a conforming implementation shall provide a value at least this large or shall have no limit.
// A strictly conforming application must not require a larger value for correct operation.
_POSIX_AIO_LISTIO_MAX :: 2
_POSIX_AIO_MAX :: 1
_POSIX_ARG_MAX :: 4096
_POSIX_CHILD_MAX :: 25
_POSIX_DELAYTIMER_MAX :: 32
_POSIX_HOST_NAME_MAX :: 255
_POSIX_LINK_MAX :: 8
_POSIX_MAX_CANON :: 255
_POSIX_MAX_INPUT :: 255
_POSIX_MQ_OPEN_MAX :: 8
_POSIX_MQ_PRIO_MAX :: 32
_POSIX_NAME_MAX :: 14
_POSIX_NGROUPS_MAX :: 8
_POSIX_OPEN_MAX :: 20
_POSIX_PATH_MAX :: 256
_POSIX_PIPE_BUF :: 512
_POSIX_RE_DUP_MAX :: 255
_POSIX_RTSIG_MAX :: 8
_POSIX_SEM_NSEMS_MAX :: 256
_POSIX_SEM_VALUE_MAX :: 32767
_POSIX_SS_REPL_MAX :: 4
_POSIX_STREAM_MAX :: 8
_POSIX_SYMLINK_MAX :: 255
_POSIX_SYMLOOP_MAX :: 8
_POSIX_THREAD_DESTRUCTION_ITERATIONS :: 4
_POSIX_THREAD_KEYS_MAX :: 128
_POSIX_THREADS_THREADS_MAX :: 64
_POSIX_TIMER_MAX :: 32
_POSIX_TRAXE_EVENT_NAME_MAX :: 30
_POSIX_TRACE_NAME_MAX :: 8
_POSIX_TRACE_SYS_MAX :: 8
_POSIX_TRACE_USER_EVENT_MAX :: 32
_POSIX_TTY_NAME_MAX :: 9
_POSIX_TZNAME_MAX :: 6
_POSIX2_BC_BASE_MAX :: 99
_POSIX2_BC_DIM_MAX :: 2048
_POSIX2_BC_SCALE_MAX :: 99
_POSIX2_CHARCLASS_NAME_MAX :: 14
_POSIX2_COLL_WEIGHTS_MAX :: 2
_POSIX2_EXPR_NEST_MAX :: 32
_POSIX2_LINE_MAX :: 2048
_POSIX2_RE_DUP_MAX :: 255
_XOPEN_IOV_MAX :: 16
_XOPEN_NAME_MAX :: 255
_XOPEN_PATH_MAX :: 1024
/*
NOTE: for full portability, usage should look something like:
page_size: uint
when #defined(posix.PAGESIZE) {
page_size = posix.PAGESIZE
} else {
page_size = posix.sysconf(._PAGESIZE)
}
*/
when ODIN_OS == .Darwin {
// A definition of one of the symbolic constants in the following list shall be omitted from
// <limits.h> on specific implementations where the corresponding value is equal to or greater
// than the stated minimum, but is unspecified.
//
// This indetermination might depend on the amount of available memory space on a specific
// instance of a specific implementation. The actual value supported by a specific instance shall
// be provided by the sysconf() function.
// AIO_LISTIO_MAX :: sysconf(._AIO_LISTIO_MAX)
// AIO_MAX :: sysconf(._AIO_MAX)
// AIO_PRIO_DELTA_MAX :: sysconf(._AIO_PRIO_DELTA_MAX)
ARG_MAX :: 1024 * 1024
// ATEXIT_MAX :: sysconf(._ATEXIT_MAX)
CHILD_MAX :: 266
// DELAYTIMER_MAX :: sysconf(._DELAYTIMER_MAX)
// HOST_NAME_MAX :: sysconf(._HOST_NAME_MAX)
IOV_MAX :: 1024
// LOGIN_NAME_MAX :: sysconf(._LOGIN_NAME_MAX)
// MQ_OPEN_MAX :: sysconf(._MQ_OPEN_MAX)
// MQ_PRIO_MAX :: sysconf(._MQ_PRIO_MAX)
PAGESIZE :: PAGE_SIZE
PAGE_SIZE :: 1 << 12
PTHREAD_DESTRUCTOR_ITERATIONS :: 4
PTHREAD_KEYS_MAX :: 512
PTHREAD_STACK_MIN :: 16384 when ODIN_ARCH == .arm64 else 8192
// RTSIG_MAX :: sysconf(._RTSIG_MAX)
// SEM_NSEMS_MAX :: sysconf(._SEM_NSEMS_MAX)
// SEM_VALUE_MAX :: sysconf(._SEM_VALUE_MAX)
// SIGQUEUE_MAX :: sysconf(._SIGQUEUE_MAX)
// SS_REPL_MAX :: sysconf(._SS_REPL_MAX)
// STREAM_MAX :: sysconf(._STREAM_MAX)
// SYMLOOP_MAX :: sysconf(._SYMLOOP_MAX)
// TIMER_MAX :: sysconf(._TIMER_MAX)
// TRACE_EVENT_NAME_MAX :: sysconf(._TRACE_EVENT_NAME_MAX)
// TRACE_NAME_MAX :: sysconf(._TRACE_NAME_MAX)
// TRACE_SYS_MAX :: sysconf(._TRACE_SYS_MAX)
// TRACE_USER_EVENT_MAX :: sysconf(._TRACE_USER_EVENT_MAX)
// TTY_NAME_MAX :: sysconf(._TTY_NAME_MAX)
// TZNAME_MAX :: sysconf(._TZNAME_MAX)
// The values in the following list may be constants within an implementation or may vary from
// one pathname to another.
// For example, file systems or directories may have different characteristics.
//
// A definition of one of the symbolic constants in the following list shall be omitted from the
// <limits.h> header on specific implementations where the corresponding value is equal to or
// greater than the stated minimum, but where the value can vary depending on the file to which
// it is applied.
// The actual value supported for a specific pathname shall be provided by the pathconf() function.
// FILESIZEBITS :: pathconf(".", ._FILESIZEBITS)
LINK_MAX :: 32767
MAX_CANON :: 1024
MAX_INPUT :: 1024
NAME_MAX :: 255
PATH_MAX :: 1024
PIPE_BUF :: 512
// POSIX_ALLOC_SIZE_MIN :: pathconf("foo.txt", ._POSIX_ALLOC_SIZE_MIN)
// POSIX_REC_INCR_XFER_SIZE :: pathconf("foo.txt", ._POSIX_REC_INCR_XFER_SIZE)
// POSIX_REC_MAX_XFER_SIZE :: pathconf("foo.txt", ._POSIX_REC_MAX_XFER_SIZE)
// POSIX_REC_MIN_XFER_SIZE :: pathconf("foo.txt", ._POSIX_REC_MIN_XFER_SIZE)
// POSIX_REC_XFER_ALIGN :: pathconf("foo.txt", ._POSIX_REC_XFER_ALIGN)
// SYMLINK_MAX :: pathconf(".", ._SYMLINK_MAX)
// The magnitude limitations in the following list shall be fixed by specific implementations.
// An application should assume that the value of the symbolic constant defined by <limits.h>
// in a specific implementation is the minimum that pertains whenever the application is run
// under that implementation.
// A specific instance of a specific implementation may increase the value relative to that
// supplied by <limits.h> for that implementation.
// The actual value supported by a specific instance shall be provided by the sysconf() function.
BC_BASE_MAX :: 99
BC_DIM_MAX :: 2048
BC_SCALE_MAX :: 99
BC_STRING_MAX :: 1000
CHARCLASS_NAME_MAX :: 14
COLL_WEIGHTS_MAX :: 2
EXPR_NEST_MAX :: 2
LINE_MAX :: 2048
NGROUPS_MAX :: 16
RE_DUP_MAX :: 255
// Other limits.
NL_ARGMAX :: 9
NL_LANGMAX :: 14
NL_MSGMAX :: 32767
NL_SETMAX :: 255
NL_TEXTMAX :: 2048
NZERO :: 20
} else when ODIN_OS == .FreeBSD {
// A definition of one of the symbolic constants in the following list shall be omitted from
// <limits.h> on specific implementations where the corresponding value is equal to or greater
// than the stated minimum, but is unspecified.
//
// This indetermination might depend on the amount of available memory space on a specific
// instance of a specific implementation. The actual value supported by a specific instance shall
// be provided by the sysconf() function.
// AIO_LISTIO_MAX :: sysconf(._AIO_LISTIO_MAX)
// AIO_MAX :: sysconf(._AIO_MAX)
// AIO_PRIO_DELTA_MAX :: sysconf(._AIO_PRIO_DELTA_MAX)
ARG_MAX :: 2 * 256 * 1024
// ATEXIT_MAX :: sysconf(._ATEXIT_MAX)
CHILD_MAX :: 40
// DELAYTIMER_MAX :: sysconf(._DELAYTIMER_MAX)
// HOST_NAME_MAX :: sysconf(._HOST_NAME_MAX)
IOV_MAX :: 1024
// LOGIN_NAME_MAX :: sysconf(._LOGIN_NAME_MAX)
// MQ_OPEN_MAX :: sysconf(._MQ_OPEN_MAX)
MQ_PRIO_MAX :: 64
PAGESIZE :: PAGE_SIZE
PAGE_SIZE :: 1 << 12
PTHREAD_DESTRUCTOR_ITERATIONS :: 4
PTHREAD_KEYS_MAX :: 256
PTHREAD_STACK_MIN :: MINSIGSTKSZ
// RTSIG_MAX :: sysconf(._RTSIG_MAX)
// SEM_NSEMS_MAX :: sysconf(._SEM_NSEMS_MAX)
// SEM_VALUE_MAX :: sysconf(._SEM_VALUE_MAX)
// SIGQUEUE_MAX :: sysconf(._SIGQUEUE_MAX)
// SS_REPL_MAX :: sysconf(._SS_REPL_MAX)
// STREAM_MAX :: sysconf(._STREAM_MAX)
// SYMLOOP_MAX :: sysconf(._SYMLOOP_MAX)
// TIMER_MAX :: sysconf(._TIMER_MAX)
// TRACE_EVENT_NAME_MAX :: sysconf(._TRACE_EVENT_NAME_MAX)
// TRACE_NAME_MAX :: sysconf(._TRACE_NAME_MAX)
// TRACE_SYS_MAX :: sysconf(._TRACE_SYS_MAX)
// TRACE_USER_EVENT_MAX :: sysconf(._TRACE_USER_EVENT_MAX)
// TTY_NAME_MAX :: sysconf(._TTY_NAME_MAX)
// TZNAME_MAX :: sysconf(._TZNAME_MAX)
// The values in the following list may be constants within an implementation or may vary from
// one pathname to another.
// For example, file systems or directories may have different characteristics.
//
// A definition of one of the symbolic constants in the following list shall be omitted from the
// <limits.h> header on specific implementations where the corresponding value is equal to or
// greater than the stated minimum, but where the value can vary depending on the file to which
// it is applied.
// The actual value supported for a specific pathname shall be provided by the pathconf() function.
// FILESIZEBITS :: pathconf(".", ._FILESIZEBITS)
// LINK_MAX :: pathconf(foo.txt", ._LINK_MAX)
MAX_CANON :: 255
MAX_INPUT :: 255
NAME_MAX :: 255
PATH_MAX :: 1024
PIPE_BUF :: 512
// POSIX_ALLOC_SIZE_MIN :: pathconf("foo.txt", ._POSIX_ALLOC_SIZE_MIN)
// POSIX_REC_INCR_XFER_SIZE :: pathconf("foo.txt", ._POSIX_REC_INCR_XFER_SIZE)
// POSIX_REC_MAX_XFER_SIZE :: pathconf("foo.txt", ._POSIX_REC_MAX_XFER_SIZE)
// POSIX_REC_MIN_XFER_SIZE :: pathconf("foo.txt", ._POSIX_REC_MIN_XFER_SIZE)
// POSIX_REC_XFER_ALIGN :: pathconf("foo.txt", ._POSIX_REC_XFER_ALIGN)
// SYMLINK_MAX :: pathconf(".", ._SYMLINK_MAX)
// The magnitude limitations in the following list shall be fixed by specific implementations.
// An application should assume that the value of the symbolic constant defined by <limits.h>
// in a specific implementation is the minimum that pertains whenever the application is run
// under that implementation.
// A specific instance of a specific implementation may increase the value relative to that
// supplied by <limits.h> for that implementation.
// The actual value supported by a specific instance shall be provided by the sysconf() function.
BC_BASE_MAX :: 99
BC_DIM_MAX :: 2048
BC_SCALE_MAX :: 99
BC_STRING_MAX :: 1000
CHARCLASS_NAME_MAX :: 14
COLL_WEIGHTS_MAX :: 10
EXPR_NEST_MAX :: 32
LINE_MAX :: 2048
NGROUPS_MAX :: 1023
RE_DUP_MAX :: 255
// Other limits.
NL_ARGMAX :: 4096
NL_LANGMAX :: 31
NL_MSGMAX :: 32767
NL_SETMAX :: 255
NL_TEXTMAX :: 2048
NZERO :: 0
} else when ODIN_OS == .NetBSD {
// A definition of one of the symbolic constants in the following list shall be omitted from
// <limits.h> on specific implementations where the corresponding value is equal to or greater
// than the stated minimum, but is unspecified.
//
// This indetermination might depend on the amount of available memory space on a specific
// instance of a specific implementation. The actual value supported by a specific instance shall
// be provided by the sysconf() function.
// AIO_LISTIO_MAX :: sysconf(._AIO_LISTIO_MAX)
// AIO_MAX :: sysconf(._AIO_MAX)
// AIO_PRIO_DELTA_MAX :: sysconf(._AIO_PRIO_DELTA_MAX)
ARG_MAX :: 256 * 1024
// ATEXIT_MAX :: sysconf(._ATEXIT_MAX)
CHILD_MAX :: 160
// DELAYTIMER_MAX :: sysconf(._DELAYTIMER_MAX)
// HOST_NAME_MAX :: sysconf(._HOST_NAME_MAX)
IOV_MAX :: 1024
LOGIN_NAME_MAX :: 17
MQ_OPEN_MAX :: 512
MQ_PRIO_MAX :: 32
PAGESIZE :: PAGE_SIZE
PAGE_SIZE :: 1 << 12
PTHREAD_DESTRUCTOR_ITERATIONS :: 4
PTHREAD_KEYS_MAX :: 256
// PTHREAD_STACK_MIN :: sysconf(._THREAD_STACK_MIN)
// RTSIG_MAX :: sysconf(._RTSIG_MAX)
// SEM_NSEMS_MAX :: sysconf(._SEM_NSEMS_MAX)
// SEM_VALUE_MAX :: sysconf(._SEM_VALUE_MAX)
// SIGQUEUE_MAX :: sysconf(._SIGQUEUE_MAX)
// SS_REPL_MAX :: sysconf(._SS_REPL_MAX)
// STREAM_MAX :: sysconf(._STREAM_MAX)
// SYMLOOP_MAX :: sysconf(._SYMLOOP_MAX)
// TIMER_MAX :: sysconf(._TIMER_MAX)
// TRACE_EVENT_NAME_MAX :: sysconf(._TRACE_EVENT_NAME_MAX)
// TRACE_NAME_MAX :: sysconf(._TRACE_NAME_MAX)
// TRACE_SYS_MAX :: sysconf(._TRACE_SYS_MAX)
// TRACE_USER_EVENT_MAX :: sysconf(._TRACE_USER_EVENT_MAX)
// TTY_NAME_MAX :: sysconf(._TTY_NAME_MAX)
// TZNAME_MAX :: sysconf(._TZNAME_MAX)
// The values in the following list may be constants within an implementation or may vary from
// one pathname to another.
// For example, file systems or directories may have different characteristics.
//
// A definition of one of the symbolic constants in the following list shall be omitted from the
// <limits.h> header on specific implementations where the corresponding value is equal to or
// greater than the stated minimum, but where the value can vary depending on the file to which
// it is applied.
// The actual value supported for a specific pathname shall be provided by the pathconf() function.
// FILESIZEBITS :: pathconf(".", ._FILESIZEBITS)
LINK_MAX :: 32767
MAX_CANON :: 255
MAX_INPUT :: 255
NAME_MAX :: 511
PATH_MAX :: 1024
PIPE_BUF :: 512
// POSIX_ALLOC_SIZE_MIN :: pathconf("foo.txt", ._POSIX_ALLOC_SIZE_MIN)
// POSIX_REC_INCR_XFER_SIZE :: pathconf("foo.txt", ._POSIX_REC_INCR_XFER_SIZE)
// POSIX_REC_MAX_XFER_SIZE :: pathconf("foo.txt", ._POSIX_REC_MAX_XFER_SIZE)
// POSIX_REC_MIN_XFER_SIZE :: pathconf("foo.txt", ._POSIX_REC_MIN_XFER_SIZE)
// POSIX_REC_XFER_ALIGN :: pathconf("foo.txt", ._POSIX_REC_XFER_ALIGN)
// SYMLINK_MAX :: pathconf(".", ._SYMLINK_MAX)
// The magnitude limitations in the following list shall be fixed by specific implementations.
// An application should assume that the value of the symbolic constant defined by <limits.h>
// in a specific implementation is the minimum that pertains whenever the application is run
// under that implementation.
// A specific instance of a specific implementation may increase the value relative to that
// supplied by <limits.h> for that implementation.
// The actual value supported by a specific instance shall be provided by the sysconf() function.
BC_BASE_MAX :: max(i32)
BC_DIM_MAX :: 65535
BC_SCALE_MAX :: max(i32)
BC_STRING_MAX :: max(i32)
CHARCLASS_NAME_MAX :: 14
COLL_WEIGHTS_MAX :: 2
EXPR_NEST_MAX :: 32
LINE_MAX :: 2048
NGROUPS_MAX :: 16
RE_DUP_MAX :: 255
// Other limits.
NL_ARGMAX :: 9
NL_LANGMAX :: 14
NL_MSGMAX :: 32767
NL_SETMAX :: 255
NL_TEXTMAX :: 2048
NZERO :: 20
} else when ODIN_OS == .OpenBSD {
// A definition of one of the symbolic constants in the following list shall be omitted from
// <limits.h> on specific implementations where the corresponding value is equal to or greater
// than the stated minimum, but is unspecified.
//
// This indetermination might depend on the amount of available memory space on a specific
// instance of a specific implementation. The actual value supported by a specific instance shall
// be provided by the sysconf() function.
// AIO_LISTIO_MAX :: sysconf(._AIO_LISTIO_MAX)
// AIO_MAX :: sysconf(._AIO_MAX)
// AIO_PRIO_DELTA_MAX :: sysconf(._AIO_PRIO_DELTA_MAX)
ARG_MAX :: 512 * 1024
// ATEXIT_MAX :: sysconf(._ATEXIT_MAX)
CHILD_MAX :: 80
// DELAYTIMER_MAX :: sysconf(._DELAYTIMER_MAX)
// HOST_NAME_MAX :: sysconf(._HOST_NAME_MAX)
IOV_MAX :: 1024
LOGIN_NAME_MAX :: 32
MQ_OPEN_MAX :: 512
MQ_PRIO_MAX :: 32
PAGESIZE :: PAGE_SIZE
PAGE_SIZE :: 1 << 12
PTHREAD_DESTRUCTOR_ITERATIONS :: 4
PTHREAD_KEYS_MAX :: 256
PTHREAD_STACK_MIN :: 1 << 12
// RTSIG_MAX :: sysconf(._RTSIG_MAX)
// SEM_NSEMS_MAX :: sysconf(._SEM_NSEMS_MAX)
SEM_VALUE_MAX :: max(u32)
// SIGQUEUE_MAX :: sysconf(._SIGQUEUE_MAX)
// SS_REPL_MAX :: sysconf(._SS_REPL_MAX)
// STREAM_MAX :: sysconf(._STREAM_MAX)
SYMLOOP_MAX :: 32
// TIMER_MAX :: sysconf(._TIMER_MAX)
// TRACE_EVENT_NAME_MAX :: sysconf(._TRACE_EVENT_NAME_MAX)
// TRACE_NAME_MAX :: sysconf(._TRACE_NAME_MAX)
// TRACE_SYS_MAX :: sysconf(._TRACE_SYS_MAX)
// TRACE_USER_EVENT_MAX :: sysconf(._TRACE_USER_EVENT_MAX)
// TTY_NAME_MAX :: sysconf(._TTY_NAME_MAX)
// TZNAME_MAX :: sysconf(._TZNAME_MAX)
// The values in the following list may be constants within an implementation or may vary from
// one pathname to another.
// For example, file systems or directories may have different characteristics.
//
// A definition of one of the symbolic constants in the following list shall be omitted from the
// <limits.h> header on specific implementations where the corresponding value is equal to or
// greater than the stated minimum, but where the value can vary depending on the file to which
// it is applied.
// The actual value supported for a specific pathname shall be provided by the pathconf() function.
// FILESIZEBITS :: pathconf(".", ._FILESIZEBITS)
LINK_MAX :: 32767
MAX_CANON :: 255
MAX_INPUT :: 255
NAME_MAX :: 255
PATH_MAX :: 1024
PIPE_BUF :: 512
// POSIX_ALLOC_SIZE_MIN :: pathconf("foo.txt", ._POSIX_ALLOC_SIZE_MIN)
// POSIX_REC_INCR_XFER_SIZE :: pathconf("foo.txt", ._POSIX_REC_INCR_XFER_SIZE)
// POSIX_REC_MAX_XFER_SIZE :: pathconf("foo.txt", ._POSIX_REC_MAX_XFER_SIZE)
// POSIX_REC_MIN_XFER_SIZE :: pathconf("foo.txt", ._POSIX_REC_MIN_XFER_SIZE)
// POSIX_REC_XFER_ALIGN :: pathconf("foo.txt", ._POSIX_REC_XFER_ALIGN)
SYMLINK_MAX :: PATH_MAX
// The magnitude limitations in the following list shall be fixed by specific implementations.
// An application should assume that the value of the symbolic constant defined by <limits.h>
// in a specific implementation is the minimum that pertains whenever the application is run
// under that implementation.
// A specific instance of a specific implementation may increase the value relative to that
// supplied by <limits.h> for that implementation.
// The actual value supported by a specific instance shall be provided by the sysconf() function.
BC_BASE_MAX :: max(i32)
BC_DIM_MAX :: 65535
BC_SCALE_MAX :: max(i32)
BC_STRING_MAX :: max(i32)
CHARCLASS_NAME_MAX :: 14
COLL_WEIGHTS_MAX :: 2
EXPR_NEST_MAX :: 32
LINE_MAX :: 2048
NGROUPS_MAX :: 16
RE_DUP_MAX :: 255
// Other limits.
NL_ARGMAX :: 9
NL_LANGMAX :: 14
NL_MSGMAX :: 32767
NL_SETMAX :: 255
NL_TEXTMAX :: 255
NZERO :: 20
} else when ODIN_OS == .Linux {
// A definition of one of the symbolic constants in the following list shall be omitted from
// <limits.h> on specific implementations where the corresponding value is equal to or greater
// than the stated minimum, but is unspecified.
//
// This indetermination might depend on the amount of available memory space on a specific
// instance of a specific implementation. The actual value supported by a specific instance shall
// be provided by the sysconf() function.
// AIO_LISTIO_MAX :: sysconf(._AIO_LISTIO_MAX)
// AIO_MAX :: sysconf(._AIO_MAX)
// AIO_PRIO_DELTA_MAX :: sysconf(._AIO_PRIO_DELTA_MAX)
ARG_MAX :: 131_072
// ATEXIT_MAX :: sysconf(._ATEXIT_MAX)
// CHILD_MAX :: sysconf(._POSIX_ARG_MAX)
// DELAYTIMER_MAX :: sysconf(._DELAYTIMER_MAX)
// HOST_NAME_MAX :: sysconf(._HOST_NAME_MAX)
// IOV_MAX :: sysconf(._XOPEN_IOV_MAX)
// LOGIN_NAME_MAX :: sysconf(._LOGIN_NAME_MAX)
// MQ_OPEN_MAX :: sysconf(._MQ_OPEN_MAX)
// MQ_PRIO_MAX :: sysconf(._MQ_PRIO_MAX)
// PAGESIZE :: PAGE_SIZE
// PAGE_SIZE :: sysconf(._PAGE_SIZE)
PTHREAD_DESTRUCTOR_ITERATIONS :: 4
// PTHREAD_KEYS_MAX :: sysconf(._PTHREAD_KEYS_MAX)
// PTHREAD_STACK_MIN :: sysconf(._PTHREAD_STACK_MIN)
// RTSIG_MAX :: sysconf(._RTSIG_MAX)
// SEM_NSEMS_MAX :: sysconf(._SEM_NSEMS_MAX)
// SEM_VALUE_MAX :: sysconf(._SEM_VALUE_MAX)
// SIGQUEUE_MAX :: sysconf(._SIGQUEUE_MAX)
// SS_REPL_MAX :: sysconf(._SS_REPL_MAX)
// STREAM_MAX :: sysconf(._STREAM_MAX)
// SYMLOOP_MAX :: sysconf(._SYSLOOP_MAX)
// TIMER_MAX :: sysconf(._TIMER_MAX)
// TRACE_EVENT_NAME_MAX :: sysconf(._TRACE_EVENT_NAME_MAX)
// TRACE_NAME_MAX :: sysconf(._TRACE_NAME_MAX)
// TRACE_SYS_MAX :: sysconf(._TRACE_SYS_MAX)
// TRACE_USER_EVENT_MAX :: sysconf(._TRACE_USER_EVENT_MAX)
// TTY_NAME_MAX :: sysconf(._TTY_NAME_MAX)
// TZNAME_MAX :: sysconf(._TZNAME_MAX)
// The values in the following list may be constants within an implementation or may vary from
// one pathname to another.
// For example, file systems or directories may have different characteristics.
//
// A definition of one of the symbolic constants in the following list shall be omitted from the
// <limits.h> header on specific implementations where the corresponding value is equal to or
// greater than the stated minimum, but where the value can vary depending on the file to which
// it is applied.
// The actual value supported for a specific pathname shall be provided by the pathconf() function.
// FILESIZEBITS :: pathconf(".", ._FILESIZEBITS)
LINK_MAX :: 127
MAX_CANON :: 255
MAX_INPUT :: 255
NAME_MAX :: 255
PATH_MAX :: 4096
PIPE_BUF :: 4096
// POSIX_ALLOC_SIZE_MIN :: sysconf(._POSIX_ALLOC_SIZE_MIN)
// POSIX_REC_INCR_XFER_SIZE :: sysconf(._POSIX_REC_INCR_XFER_SIZE)
// POSIX_REC_MAX_XFER_SIZE :: sysconf(._POSIX_REC_MAX_XFER_SIZE)
// POSIX_REC_MIN_XFER_SIZE :: sysconf(._POSIX_REC_MIN_XFER_SIZE)
// POSIX_REC_XFER_ALIGN :: sysconf(._POSIX_REC_XFER_ALIGN)
// SYMLINK_MAX :: pathconf(".", ._SYMLINK_MAX)
// The magnitude limitations in the following list shall be fixed by specific implementations.
// An application should assume that the value of the symbolic constant defined by <limits.h>
// in a specific implementation is the minimum that pertains whenever the application is run
// under that implementation.
// A specific instance of a specific implementation may increase the value relative to that
// supplied by <limits.h> for that implementation.
// The actual value supported by a specific instance shall be provided by the sysconf() function.
BC_BASE_MAX :: 99
BC_DIM_MAX :: 2048
BC_SCALE_MAX :: 99
BC_STRING_MAX :: 1000
CHARCLASS_NAME_MAX :: 14
COLL_WEIGHTS_MAX :: 2
EXPR_NEST_MAX :: 32
// LINE_MAX :: sysconf(._LINE_MAX)
// NGROUPS_MAX :: sysconf(._NGROUPS_MAX)
RE_DUP_MAX :: 255
// Other limits.
NL_ARGMAX :: 9
NL_LANGMAX :: 32 // 14 on glibc, 32 on musl
NL_MSGMAX :: 32_767
NL_SETMAX :: 255
NL_TEXTMAX :: 2048 // 255 on glibc, 2048 on musl
NZERO :: 20
}
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