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Add Linux support for POSIX limits.

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Isaac Andrade
2024-09-02 14:04:05 -06:00
parent 186565b0c1
commit a248d49f34
1 changed files with 95 additions and 0 deletions
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core/sys/posix/limits.odin
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@@ -454,6 +454,101 @@ when ODIN_OS == .Darwin {
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 :: 20
ARG_MAX :: 131_072
// ATEXIT_MAX :: sysconf(._ATEXIT_MAX)
// CHILD_MAX :: sysconf(._POSIX_ARG_MAX)
DELAYTIMER_MAX :: 2_147_483_647
HOST_NAME_MAX :: 64
// IOV_MAX :: sysconf(._XOPEN_IOV_MAX)
LOGIN_NAME_MAX :: 256
// 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 :: 1024
PTHREAD_STACK_MIN :: 16_384
RTSIG_MAX :: 32
// SEM_NSEMS_MAX :: sysconf(._SEM_NSEMS_MAX)
SEM_VALUE_MAX :: 2_147_483_647
// 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 :: 32
// 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 :: 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 :: 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 :: 2048
NGROUPS_MAX :: 65_536
RE_DUP_MAX :: 255
// Other limits.
NL_ARGMAX :: 9
NL_LANGMAX :: 14
NL_MSGMAX :: 32_767
NL_SETMAX :: 255
NL_TEXTMAX :: 255
NZERO :: 20
} else {
#panic("posix is unimplemented for the current target")
}