axboe-liburing 2.14.0

Low-level io_uring interface, transliterated from Jens Axboe's liburing.
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/* SPDX-License-Identifier: MIT */
#ifndef LIBURING_INT_FLAGS
#define LIBURING_INT_FLAGS

#define INT_FLAGS_MASK		(IORING_ENTER_REGISTERED_RING |	\
				 IORING_ENTER_NO_IOWAIT)

enum {
	INT_FLAG_REG_RING	= IORING_ENTER_REGISTERED_RING,
	INT_FLAG_NO_IOWAIT	= IORING_ENTER_NO_IOWAIT,
	INT_FLAG_REG_REG_RING	= 1,
	INT_FLAG_APP_MEM	= 2,
	INT_FLAG_CQ_ENTER	= 4,
};

static inline int ring_enter_flags(struct io_uring *ring)
{
	return ring->int_flags & INT_FLAGS_MASK;
}

#endif