refcount_types.h

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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_REFCOUNT_TYPES_H
#define _LINUX_REFCOUNT_TYPES_H
 
/*
 * DCL <linux/refcount_types.h> -- byte-port of mainline's, except the include.
 *
 * Mainline's file includes <linux/types.h>, because that is where atomic_t
 * lives there. In this tree atomic_t is defined by <linux/atomic.h> (which
 * also carries every accessor over it), and types.h does not know the name,
 * so the include is the one deliberate difference. Everything below -- the
 * struct, the field name, the typedef -- is mainline's verbatim, and the
 * field name matters: drm_connector.c:1070 reaches inside struct kref and
 * writes refcount_dec_and_test(&conn->base.refcount.refcount), so a rename
 * would not compile anywhere that expression appears.
 */
#include <linux/atomic.h>
 
typedef struct refcount_struct {
    atomic_t refs;
} refcount_t;
 
#endif /* _LINUX_REFCOUNT_TYPES_H */