# Copyright 2020 syzkaller project authors. All rights reserved.
# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.

include <linux/futex.h>

futex(addr ptr[in, int32[0:2]], op flags[futex_op], val int32[0:2], timeout ptr[in, timespec], addr2 ptr[in, int32[0:2]], val3 int32[0:2])
set_robust_list(head ptr[in, robust_list_head], len len[head])
get_robust_list(pid pid, head ptr[in, ptr[out, robust_list_head]], len ptr[inout, len[head, intptr]])

robust_list_head {
	list		ptr[in, robust_list, opt]
	futex_offset	intptr
	list_op_pending	ptr[in, robust_list, opt]
}

robust_list {
	next	ptr[in, robust_list, opt]
}

futex_waitv(addr ptr[in, array[futex_waitv, 0:FUTEX_WAITV_MAX_INDEX]], val len[addr], flg const[0], timeout ptr[in, timespec], clockid flags[futex_clock_id])

futex_waitv {
	val		int64
	uaddr		ptr64[in, int64]
	flags		flags[struct_flags_op, int32]
	__reserved	const[0, int32]
}

futex_op = FUTEX_WAIT, FUTEX_WAKE, FUTEX_FD, FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, FUTEX_WAKE_OP, FUTEX_LOCK_PI, FUTEX_UNLOCK_PI, FUTEX_TRYLOCK_PI, FUTEX_WAIT_BITSET, FUTEX_WAKE_BITSET, FUTEX_WAIT_REQUEUE_PI, FUTEX_CMP_REQUEUE_PI, FUTEX_LOCK_PI2, FUTEX_PRIVATE_FLAG, FUTEX_CLOCK_REALTIME

futex_clock_id = CLOCK_REALTIME, CLOCK_MONOTONIC
struct_flags_op = FUTEX_32, FUTEX_PRIVATE_32
define FUTEX_WAITV_MAX_INDEX	FUTEX_WAITV_MAX - 1
define FUTEX_PRIVATE_32	FUTEX_32 | FUTEX_PRIVATE_FLAG