20 lines
512 B
C
20 lines
512 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_REFCOUNT_TYPES_H
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#define _LINUX_REFCOUNT_TYPES_H
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#include <linux/types.h>
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/**
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* typedef refcount_t - variant of atomic_t specialized for reference counts
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* @refs: atomic_t counter field
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*
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* The counter saturates at REFCOUNT_SATURATED and will not move once
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* there. This avoids wrapping the counter and causing 'spurious'
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* use-after-free bugs.
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*/
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typedef struct refcount_struct {
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atomic_t refs;
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} refcount_t;
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#endif /* _LINUX_REFCOUNT_TYPES_H */
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