# Copyright (c) 2024 Tenstorrent AI ULC
#
# SPDX-License-Identifier: Apache-2.0

config XSI_REALTIME
	bool "X/Open realtime"
	select POSIX_FSYNC
	select POSIX_MEMLOCK
	select POSIX_MEMLOCK_RANGE
	select POSIX_MESSAGE_PASSING
	# Not yet implemented, but optional
	# imply POSIX_PRIORITIZED_IO
	select POSIX_PRIORITY_SCHEDULING
	select POSIX_SHARED_MEMORY_OBJECTS
	select POSIX_SYNCHRONIZED_IO
	help
	  Select 'y' here and the following functions will be provided:

	  fsync(), mlockall(), munlockall(), mlock(), munlock(), mq_close(), mq_getattr(), mq_notify(),
	  mq_open(), mq_receive(), mq_send(), mq_setattr(), mq_unlink(), sched_get_priority_max(),
	  sched_get_priority_min(), sched_getparam(), sched_getscheduler(), sched_rr_get_interval(),
	  sched_setparam(), sched_setscheduler(), sched_yield(), mmap(), munmap(), shm_open(),
	  shm_unlink()

	  The functions fsync(), fdatasync(), and open() will provide synchronized I/O capability.

	  For more information, please see
	  https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap02.html