171 lines
6.1 KiB
C
171 lines
6.1 KiB
C
#ifndef _LIMITS_H
|
|
#define _LIMITS_H 1
|
|
|
|
// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/limits.h.html
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
__BEGIN_DECLS
|
|
|
|
// Maximum Values
|
|
|
|
#define _POSIX_CLOCKRES_MIN 20000000
|
|
|
|
|
|
// 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 8
|
|
#define _POSIX_MQ_PRIO_MAX 32
|
|
#define _POSIX_NAME_MAX 14
|
|
#define _POSIX_NGROUPS_MAX 8
|
|
#define _POSIX_OPEN_MAX 20
|
|
#define _POSIX_PATH_MAX 256
|
|
#define _POSIX_PIPE_BUF 512
|
|
#define _POSIX_RE_DUP_MAX 255
|
|
#define _POSIX_RTSIG_MAX 8
|
|
#define _POSIX_SEM_NSEMS_MAX 256
|
|
#define _POSIX_SEM_VALUE_MAX 32767
|
|
#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 _POSIX2_RE_DUP_MAX 255
|
|
#define _XOPEN_IOV_MAX 16
|
|
#define _XOPEN_NAME_MAX 255
|
|
#define _XOPEN_PATH_MAX 1024
|
|
|
|
|
|
// Runtime Invariant Values (Possibly Indeterminate)
|
|
|
|
#define AIO_LISTIO_MAX _POSIX_AIO_LISTIO_MAX
|
|
#define AIO_MAX _POSIX_AIO_MAX
|
|
#define AIO_PRIO_DELTA_MAX 0
|
|
#define ARG_MAX _POSIX_ARG_MAX
|
|
#define ATEXIT_MAX 128
|
|
#define CHILD_MAX _POSIX_CHILD_MAX
|
|
#define DELAYTIMER_MAX _POSIX_DELAYTIMER_MAX
|
|
#define HOST_NAME_MAX 255
|
|
#define IOV_MAX _XOPEN_IOV_MAX
|
|
#define LOGIN_NAME_MAX 256
|
|
#define MQ_OPEN_MAX _POSIX_MQ_OPEN_MAX
|
|
#define MQ_PRIO_MAX _POSIX_MQ_PRIO_MAX
|
|
#define OPEN_MAX 64
|
|
#define PAGESIZE PAGE_SIZE
|
|
#define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS
|
|
#define PTHREAD_KEYS_MAX _POSIX_THREAD_KEYS_MAX
|
|
#define PTHREAD_STACK_MIN PAGE_SIZE
|
|
#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 SS_REPL_MAX _POSIX_SS_REPL_MAX
|
|
#define STREAM_MAX _POSIX_STREAM_MAX
|
|
#define SYMLOOP_MAX _POSIX_SYMLOOP_MAX
|
|
#define TIMER_MAX _POSIX_TIMER_MAX
|
|
#define TRACE_EVENT_NAME_MAX _POSIX_TRACE_EVENT_NAME_MAX
|
|
#define TRACE_NAME_MAX _POSIX_TRACE_NAME_MAX
|
|
#define TRACE_SYS_MAX _POSIX_TRACE_SYS_MAX
|
|
#define TRACE_USER_EVENT_MAX _POSIX_TRACE_USER_EVENT_MAX
|
|
#define TTY_NAME_MAX PATH_MAX
|
|
#define TZNAME_MAX _POSIX_TZNAME_MAX
|
|
|
|
#ifndef PAGE_SIZE
|
|
#define PAGE_SIZE 4096
|
|
#endif
|
|
|
|
// Pathname Variable Values
|
|
|
|
#define FILESIZEBITS 32
|
|
#define LINK_MAX _POSIX_LINK_MAX
|
|
#define MAX_CANON _POSIX_MAX_CANON
|
|
#define MAX_INPUT _POSIX_MAX_INPUT
|
|
#define NAME_MAX 255
|
|
#define PATH_MAX _POSIX_PATH_MAX
|
|
#define PIPE_BUF PAGE_SIZE
|
|
//#define POSIX_ALLOC_SIZE_MIN
|
|
//#define POSIX_REC_INCR_XFER_SIZE
|
|
//#define POSIX_REC_MAX_XFER_SIZE
|
|
//#define POSIX_REC_MIN_XFER_SIZE
|
|
//#define POSIX_REC_XFER_ALIGN
|
|
#define SYMLINK_MAX _POSIX_SYMLINK_MAX
|
|
|
|
|
|
// Runtime Increasable Values
|
|
|
|
#define BC_BASE_MAX _POSIX2_BC_BASE_MAX
|
|
#define BC_DIM_MAX _POSIX2_BC_DIM_MAX
|
|
#define BC_SCALE_MAX _POSIX2_BC_SCALE_MAX
|
|
#define BC_STRING_MAX _POSIX2_BC_STRING_MAX
|
|
#define CHARCLASS_NAME_MAX _POSIX2_CHARCLASS_NAME_MAX
|
|
#define COLL_WEIGHTS_MAX _POSIX2_COLL_WEIGHTS_MAX
|
|
#define EXPR_NEST_MAX _POSIX2_EXPR_NEST_MAX
|
|
#define LINE_MAX _POSIX2_LINE_MAX
|
|
#define NGROUPS_MAX _POSIX_NGROUPS_MAX
|
|
#define RE_DUP_MAX _POSIX_RE_DUP_MAX
|
|
|
|
|
|
// Legacy things
|
|
|
|
#define PASS_MAX 256
|
|
|
|
|
|
// Numerical Limits
|
|
|
|
#define CHAR_MAX SCHAR_MAX
|
|
#define CHAR_MIN SCHAR_MIN
|
|
|
|
#define SCHAR_MAX __SCHAR_MAX__
|
|
#define SHRT_MAX __SHRT_MAX__
|
|
#define INT_MAX __INT_MAX__
|
|
#define LONG_MAX __LONG_MAX__
|
|
#define LLONG_MAX __LONG_LONG_MAX__
|
|
#define SSIZE_MAX __PTRDIFF_MAX__
|
|
|
|
#define SCHAR_MIN (-SCHAR_MAX - 1)
|
|
#define SHRT_MIN (-SHRT_MAX - 1)
|
|
#define INT_MIN (-INT_MAX - 1)
|
|
#define LONG_MIN (-LONG_MAX - 1)
|
|
#define LLONG_MIN (-LLONG_MAX - 1)
|
|
#define SSIZE_MIN (-SSIZE_MAX - 1)
|
|
|
|
#define USCHAR_MAX (SCHAR_MAX * 2 + 1)
|
|
#define USHRT_MAX (SHRT_MAX * 2 + 1)
|
|
#define UINT_MAX (INT_MAX * 2U + 1)
|
|
#define ULONG_MAX (LONG_MAX * 2UL + 1)
|
|
#define ULLONG_MAX (LLONG_MAX * 2ULL + 1)
|
|
|
|
__END_DECLS
|
|
|
|
#endif
|